CN107236112A - A kind of manufacture craft of concrete moulding resin template - Google Patents
A kind of manufacture craft of concrete moulding resin template Download PDFInfo
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- CN107236112A CN107236112A CN201710575576.4A CN201710575576A CN107236112A CN 107236112 A CN107236112 A CN 107236112A CN 201710575576 A CN201710575576 A CN 201710575576A CN 107236112 A CN107236112 A CN 107236112A
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- moulding resin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3802—Low-molecular-weight compounds having heteroatoms other than oxygen having halogens
- C08G18/3814—Polyamines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4072—Mixtures of compounds of group C08G18/63 with other macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
- C08G18/632—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers onto polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6685—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention provides a kind of manufacture craft of concrete moulding resin template, is related to mold materials field, comprises the following steps：Raw material is weighed in proportion；PPG A, PPG B and polymer polyatomic alcohol are added in reactor, heat temperature raising, after stirring reaction, vacuumize, then reactor is cooled, add MDI, after charging terminates, insulated and stirred is reacted, and adds amine chain extender, continues insulated and stirred reaction, add molecular sieve and organic silicon modified by polyether oxygen alkane, after high-speed stirred, room temperature discharging is naturally cooling to, component A is obtained；In mould kind surface spraying releasing agent, it is poured into after said components A and component B are mixed evenly in mould kind, the resin template after solidification is stripped, then after maintenance, deburring, resin template produced by the invention has intensity height, hardness big, repeatedly used advantage.
Description
Technical field
The present invention relates to mold materials field, and in particular to a kind of manufacture craft of concrete moulding resin template.
Background technology
Concrete has abundant raw material, cheap, the characteristics of simple production process, thus is used widely, simultaneously
Concrete also has compression strength high, and good endurance, strength grade scope is wide, it is gone out using scope quite varied, it is not only
Used in various civil engineerings, be exactly shipbuilding industry, mechanical industry, the exploitation of ocean, geothermal engineering etc., concrete is also important
Material.
Concrete is largely used in each position of building, ground, metope, roof, barrier etc. as construction material.
And had some buildings using concrete as decorative element at present, but it is main based on plane, moulding is single.Built to allow
Metope, road surface of thing etc. are built with moulding such as various textures, pattern or hollow outs, the vitality and vigor of building is lifted, this
Invention is low there is provided a kind of cost, and the resin of the concrete mould more than access times can be used for making substantial amounts of coagulation
Clay model plate preferably plays design concept, the space of thinking of designer to carry out the concrete moulding of building.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of manufacture craft of concrete moulding resin template, institute
The resin template produced has intensity height, hardness big, repeatedly used advantage.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs：
A kind of concrete moulding manufacture craft of resin template, comprises the following steps：
(1) following percentage by weight raw material is weighed in proportion：PPG A20-40%, PPG B 20-
40%th, polymer polyatomic alcohol 10-30%, MDI 10-20%, molecular sieve 2-5%, amine chain extender 0.1-0.4%, polyether-modified
Organosiloxane 0.05-0.15%；
(2) PPG A, PPG B and polymer polyatomic alcohol are added in reactor, are warming up to 100-
120 DEG C, stir after 20-40min, vacuumize 2-8min, then temperature of reaction kettle is down to 40-50 DEG C, add MDI, control charging
Temperature≤80 DEG C, feed time≤1h, after charging terminates, insulated and stirred reaction 4-5h adds amine chain extender, continues to protect
After warm stirring reaction 1-2h, molecular sieve and organic silicon modified by polyether oxygen alkane are added, after high-speed stirred 30min, is naturally cooling to
Room temperature discharges, you can obtain component A；
(3) in mould kind surface spraying releasing agent, the mould is poured into after said components A and component B are mixed evenly
In kind, after planarizing process, cold curing, the cold curing time is 15-48h, and the resin template after solidification is taken off
Mould, then can obtain the concrete moulding resin template after maintenance, deburring.
Preferably, the PPG A is PPG 210 or PPG 220.
Preferably, the PPG B is PPG 330, PPG 3000 and PPG 3050
In any one.
Preferably, the polymer polyatomic alcohol is branched polyester polyalcohol, branch polyether polyatomic alcohol, polymer polyatomic alcohol
805th, any one in polymer polyatomic alcohol 815 and polymer polyatomic alcohol 93/28.
Preferably, the MDI is any one in MDI monomer, modified MDI and rough MDI.
Preferably, the molecular sieve is any one in 3A molecular sieves, 4A molecular sieves and 5A molecular sieves.
Preferably, the amine chain extender is any one in MOCA, modified MOCA and fragrant hindered amine.
Preferably, the component B is modified MDI or rough MDI.
Preferably, the additional proportion when component A and component B are mixed is 2-10:1.
Preferably, the preparation method of the mould kind is：It is mould kind material for carpentery workshop from be easy to engraving, will be for akebi mistake
Manually or automatically engraving machine is carved to form required concrete modelling pattern or various textures.
(3) beneficial effect
The invention provides a kind of manufacture craft of concrete moulding resin template, wherein PPG A is two officials
The PPG of energy degree, PPG B is the PPG of three-functionality-degree, and polymer polyatomic alcohol carries side chain, three
Reaction can be crosslinked each other, and the resin main template body intensity constituted using three kinds of polyalcohol mixed systems is high, hardness
Greatly, toughness and heat resistance are good, recyclable to be used for multiple times, and molecular sieve can absorb moisture, reduce the generation of bubble, amine chain extension
On the one hand agent can accelerate reaction speed, can also promote the cross-linking reaction between polyalcohol, form space network, lifting
Compactness, organic silicon modified by polyether oxygen alkane is gassing inhibitor, can suppress bubble generation, and manufacturing process of the present invention is simple, nothing
HTHP is needed, it is with short production cycle, it is adapted to large-scale promotion production.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.
Embodiment 1：
A kind of concrete moulding manufacture craft of resin template, comprises the following steps：
(1) following percentage by weight raw material is weighed in proportion：PPG 210 26.6%, PPG 3000
40%th, branch polyether polyatomic alcohol 12%, MDI monomer 17%, 3A molecular sieves 4%, modified MOCA0.3%, organic silicon modified by polyether
Oxygen alkane 0.1%；
(2) PPG 210, PPG 3000 and branch polyether polyatomic alcohol are added in reactor, heated up
To 110 DEG C, after stirring 30min, 5min is vacuumized, then temperature of reaction kettle is down to 40-50 DEG C, MDI monomer, control charging is added
Temperature≤80 DEG C, feed time≤1h, after charging terminates, insulated and stirred reaction 4.5h adds modified MOCA, continues insulation and stir
Mix after reaction 1.6h, add 3A molecular sieves and organic silicon modified by polyether oxygen alkane, after high-speed stirred 30min, be naturally cooling to room
Temperature discharging, you can obtain component A；
(3) in mould kind surface spraying releasing agent, by said components A and modified MDI by weight 5:1 mixing, stirs
After be poured into mould kind, after planarizing process, cold curing, the cold curing time be 30h, by the resin template after solidification
The demoulding, then can obtain concrete moulding resin template after maintenance, deburring.
Wherein, the preparation method of above-mentioned mould kind is：It is mould kind material for carpentery workshop from be easy to engraving, will be remarkable for akebi
Work or automatic carving machine are carved to form required concrete modelling pattern or various textures.
Embodiment 2：
A kind of concrete moulding manufacture craft of resin template, comprises the following steps：
(1) following percentage by weight raw material is weighed in proportion：PPG 220 20%, PPG 3050
40%th, polymer polyatomic alcohol 815 20%, rough MDI 17.75%, 4A molecular sieves 2%, fragrant hindered amine 0.1%, polyethers change
Property organosiloxane 0.15%；
(2) PPG 220, PPG 3050 and polymer polyatomic alcohol 815 are added in reactor, risen
Temperature is to 100 DEG C, after stirring 20min, vacuumizes 2min, then temperature of reaction kettle is down into 40-50 DEG C, adds rough MDI, control adds
Material temperature degree≤80 DEG C, feed time≤1h, after charging terminates, insulated and stirred reaction 4h adds fragrant hindered amine, continues to be incubated
After stirring reaction 1h, 4A molecular sieves and organic silicon modified by polyether oxygen alkane are added, after high-speed stirred 30min, room is naturally cooling to
Temperature discharging, you can obtain component A；
(3) in mould kind surface spraying releasing agent, by said components A and modified MDI by weight 2:1 mixing, stirs
After be poured into mould kind, after planarizing process, cold curing, the cold curing time be 15h, by the resin template after solidification
The demoulding, then can obtain concrete moulding resin template after maintenance, deburring.
Wherein, the preparation method of above-mentioned mould kind is：It is mould kind material for carpentery workshop from be easy to engraving, will be remarkable for akebi
Work or automatic carving machine are carved to form required concrete modelling pattern or various textures.
Embodiment 3：
A kind of concrete moulding manufacture craft of resin template, comprises the following steps：
(1) following percentage by weight raw material is weighed in proportion：PPG 210 40%, PPG 3000
20%th, polymer polyatomic alcohol 93,/28 15%, MDI monomer 20%, 5A molecular sieves 4.55%, MOCA 0.4%, polyether-modified have
Organic siloxane 0.05%；
(2) PPG 210, PPG 3000 and polymer polyatomic alcohol 93/28 are added in reactor,
It is warming up to after 120 DEG C, stirring 40min, vacuumizes 8min, then temperature of reaction kettle is down to 40-50 DEG C, adds MDI monomer, control
Charge temperature≤80 DEG C, feed time≤1h, after charging terminates, insulated and stirred reaction 5h adds MOCA, continues insulated and stirred
React after 2h, add 5A molecular sieves and organic silicon modified by polyether oxygen alkane, after high-speed stirred 30min, be naturally cooling to room temperature and go out
Material, you can obtain component A；
(3) in mould kind surface spraying releasing agent, by said components A and modified MDI by weight 10:1 mixing, stirs
After be poured into mould kind, after planarizing process, cold curing, the cold curing time be 48h, by the resin template after solidification
The demoulding, then can obtain concrete moulding resin template after maintenance, deburring.
Wherein, the preparation method of above-mentioned mould kind is：It is mould kind material for carpentery workshop from be easy to engraving, will be remarkable for akebi
Work or automatic carving machine are carved to form required concrete modelling pattern or various textures.
Embodiment 4：
A kind of concrete moulding manufacture craft of resin template, comprises the following steps：
(1) following percentage by weight raw material is weighed in proportion：PPG 220 35%, PPG 3000
39.65%th, branched polyester polyalcohol 10%, modified MDI 10%, 4A molecular sieves 5%, modified MOCA0.2%, polyether-modified have
Organic siloxane 0.15%；
(2) PPG 220, PPG 3000 and branched polyester polyalcohol are added in reactor, heated up
To 105 DEG C, after stirring 35min, 6min is vacuumized, then temperature of reaction kettle is down to 40-50 DEG C, modified MDI, control charging is added
Temperature≤80 DEG C, feed time≤1h, after charging terminates, insulated and stirred reaction 5h adds modified MOCA, continues insulated and stirred
React after 1h, add 4A molecular sieves and organic silicon modified by polyether oxygen alkane, after high-speed stirred 30min, be naturally cooling to room temperature and go out
Material, you can obtain component A；
(3) in mould kind surface spraying releasing agent, by said components A and rough MDI by weight 8:1 mixing, stirs
After be poured into mould kind, after planarizing process, cold curing, the cold curing time be 20h, by the resin template after solidification
The demoulding, then can obtain concrete moulding resin template after maintenance, deburring.
Wherein, the preparation method of above-mentioned mould kind is：It is mould kind material for carpentery workshop from be easy to engraving, will be remarkable for akebi
Work or automatic carving machine are carved to form required concrete modelling pattern or various textures.
Embodiment 5：
A kind of concrete moulding manufacture craft of resin template, comprises the following steps：
(1) following percentage by weight raw material is weighed in proportion：PPG 220 40%, PPG 330
29.8%th, polymer polyatomic alcohol 80510%, modified MDI 18%, 5A molecular sieves 2%, modified MOCA0.15%, polyether-modified have
Organic siloxane 0.05%；
(2) PPG 220, PPG 330 and polymer polyatomic alcohol 805 are added in reactor, heated up
To 115 DEG C, after stirring 35min, 8min is vacuumized, then temperature of reaction kettle is down to 40-50 DEG C, modified MDI, control charging is added
Temperature≤80 DEG C, feed time≤1h, after charging terminates, insulated and stirred reaction 4h adds modified MOCA, continues insulated and stirred
React after 1.5h, add 5A molecular sieves and organic silicon modified by polyether oxygen alkane, after high-speed stirred 30min, be naturally cooling to room temperature
Discharging, you can obtain component A；
(3) in mould kind surface spraying releasing agent, by said components A and rough MDI by weight 4:1 mixing, stirs
After be poured into mould kind, after planarizing process, cold curing, the cold curing time be 35h, by the resin template after solidification
The demoulding, then can obtain concrete moulding resin template after maintenance, deburring.
Wherein, the preparation method of above-mentioned mould kind is：It is mould kind material for carpentery workshop from be easy to engraving, will be remarkable for akebi
Work or automatic carving machine are carved to form required concrete modelling pattern or various textures.
Performance detection：
Table 1 is the performance test results for the resin template that 1-5 of the embodiment of the present invention is manufactured：
Table 1：Performance test results
To sum up, the embodiment of the present invention has the advantages that：Intensity is high, hardness is big, can be recycled for multiple times.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of manufacture craft of concrete moulding resin template, it is characterised in that comprise the following steps：
(1) following percentage by weight raw material is weighed in proportion：PPG A 20-40%, PPG B 20-40%,
It is polymer polyatomic alcohol 10-30%, MDI 10-20%, molecular sieve 2-5%, amine chain extender 0.1-0.4%, polyether-modified organic
Siloxanes 0.05-0.15%；
(2) PPG A, PPG B and polymer polyatomic alcohol are added in reactor, are warming up to 100-120 DEG C,
Stir after 20-40min, vacuumize 2-8min, then temperature of reaction kettle is down to 40-50 DEG C, add MDI, control charge temperature≤
80 DEG C, feed time≤1h, after charging terminates, insulated and stirred reaction 4-5h adds amine chain extender, continues insulated and stirred anti-
Answer after 1-2h, add molecular sieve and organic silicon modified by polyether oxygen alkane, after high-speed stirred 30min, be naturally cooling to room temperature discharging,
It can obtain component A；
(3) in mould kind surface spraying releasing agent, it is poured into after said components A and component B are mixed evenly in the mould kind,
After planarizing process, cold curing, the cold curing time is 15-48h, and the resin template after solidification is stripped, then
The concrete moulding resin template is can obtain after maintenance, deburring.
2. the manufacture craft of concrete moulding resin template as claimed in claim 1, it is characterised in that the polyether polyols
Alcohol A is PPG 210 or PPG 220.
3. the manufacture craft of concrete moulding resin template as claimed in claim 1, it is characterised in that the polyether polyols
Alcohol B is any one in PPG 330, PPG 3000 and PPG 3050.
4. the manufacture craft of concrete moulding resin template as claimed in claim 1, it is characterised in that the polymer is more
First alcohol is that branched polyester polyalcohol, branch polyether polyatomic alcohol, polymer polyatomic alcohol 805, polymer polyatomic alcohol 815 and polymer are more
Any one in first alcohol 93/28.
5. the manufacture craft of concrete moulding resin template as claimed in claim 1, it is characterised in that the MDI is MDI
Monomer, any one being modified in MDI and rough MDI.
6. the manufacture craft of concrete moulding resin template as claimed in claim 1, it is characterised in that the molecular sieve is
Any one in 3A molecular sieves, 4A molecular sieves and 5A molecular sieves.
7. the manufacture craft of concrete moulding resin template as claimed in claim 1, it is characterised in that the amine chain extension
Agent is any one in MOCA, modified MOCA and fragrant hindered amine.
8. the manufacture craft of concrete moulding resin template as claimed in claim 1, it is characterised in that the component B is
Modified MDI or rough MDI.
9. the manufacture craft of concrete moulding resin template as claimed in claim 1, it is characterised in that the component A and
Mass ratio when component B is mixed is 2-10:1.
10. the manufacture craft of concrete moulding resin template as claimed in claim 1, it is characterised in that the mould kind
Preparation method is：It is mould kind material for carpentery workshop from be easy to engraving, shape will be carved for akebi artificial or automatic carving machine excessively
Into required concrete modelling pattern or various textures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710575576.4A CN107236112A (en) | 2017-07-14 | 2017-07-14 | A kind of manufacture craft of concrete moulding resin template |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710575576.4A CN107236112A (en) | 2017-07-14 | 2017-07-14 | A kind of manufacture craft of concrete moulding resin template |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109776761A (en) * | 2019-02-13 | 2019-05-21 | 北京市市政工程研究院 | A kind of moulding concrete with can steam-cured polyurethane template preparation material and can steam-cured polyurethane template and preparation method thereof |
| CN113001844A (en) * | 2021-02-26 | 2021-06-22 | 醴陵千汇实业有限公司 | Method for manufacturing universal mold by using resin material |
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2017
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| CN113001844A (en) * | 2021-02-26 | 2021-06-22 | 醴陵千汇实业有限公司 | Method for manufacturing universal mold by using resin material |
| CN113001844B (en) * | 2021-02-26 | 2022-06-07 | 醴陵千汇实业有限公司 | Method for manufacturing universal mold by using resin material |
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