CN103264567A - Novel processing method of polyether type TPU (Thermoplastic Polyurethane Elastomer) composite material in opening refining calender - Google Patents
Novel processing method of polyether type TPU (Thermoplastic Polyurethane Elastomer) composite material in opening refining calender Download PDFInfo
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Abstract
The invention relates to a novel processing method of a polyether type TPU (Thermoplastic Polyurethane Elastomer) composite material in an opening refining calender. The novel processing method comprises the steps of: (1), drying a mixing material; (2) forming a blank and removing bubbles; and (3) calendering and jointing, namely under the condition that the setting temperature of a four-roller calender is 160-170 DEG C, forming a film being 0.10-0.15mm on each roll surface after a polyether TPU material after plastifying is put, compositing each film with a piece of polyester filament yarn base cloth under infrared preheating, fitting under the pressure of 45-50KG, cooling and sizing so as to obtain the polyether type TPU composite material. For the composite material provided by the invention, the processing thickness is rapidly adjusted, a tensile strength test is increased by 25% compared with that of the original base cloth, the tearing strength is increased by 27%, a TPU calendering cloth is prepared by using a four-roll calendering method, the variety style is varied, the thickness range is adjusted at will, and thus a finished product has various excellent properties such as high watertightness, wear resistance, ageing resistance and corrosion resistance of the conventional thermoplastic polyurethane, so that the using field and processing requirement range of thermoplastic polyurethane are greatly enlarged, and further the composite material well meets the marketable requirement.
Description
[technical field]
The present invention relates to polyether-type TPUE technical field, specifically, is a kind of novel processing method of driving the refining calender of polyether-type TPU composite.
[background technology]
Calendering formation is mainly for the production of plastics and sheet material, according to using the technology difference to obtain different rolled products, the major product of present calendering formation is soft polyvinyl chloride film, in national economy, be widely used in industry, agricultural, national defence, aspect such as health care and articles for daily use, being mainly used in waterproof in industrial aspect covers, automobile decoration and the covering of main equipment packing etc., agriculturally be used for seedling, booth covers, the insulation sunshade, prevent erosion etc., be used for a large amount of raincoats of making in daily life, case and bag, clothes, toy packaging etc., the scope of application is very extensive, and is closely bound up with people's lives.Calendering formation goods advantage is a lot, mainly embodies as follows:
(1) the length width thickness of fabricated product can be adjusted control according to instructions for use, and fast convenient, controllability is strong.
(2) quality of item is good, and thickness is even, and error is little, can prepare various colored types as requested.
(3) processing of same material, its mechanical strength is higher than the blown film plastics.
(4) production capacity is strong continuously, and working ability is big, the automaticity height.
At home, the main rapidoprint of calendering formation is Corvic, though the polyvinyl chloride film scope of application is very extensive, but because its material behavior restriction, cause polyvinyl chloride product also to have many shortcomings, simple polyvinyl chloride can't be processed, so can add some additives and plasticizer man-hour in order to allow it have various characteristics adding, these additives and plasticizer generally all have certain toxicity, dense plastics taste is arranged when processing and use, be unfavorable for health, igelite is short service life, wear-resisting and weather resistant is relatively poor, can hardening when temperature is low and break easily, can chap when serious, cause and to use, limited the scope of application of rolled products aspect a lot.
TPUE (TPU) material is a kind of tasteless environmental-protecting material, and TPU has remarkable high-tension, high-tensile strength, tough and ageing-resistant characteristic, is a kind of environment-friendly materials of maturation.At present, TPU is aspect such as extensive use and health care, electronic apparatus, industry and physical culture, it has characteristics such as the incomparable intensity height of other plastic material, good toughness, wear-resisting, cold-resistant, oil resistant, water-fast, ageing-resistant, weatherability, also has the function of many excellences such as high waterproof and moisture permeability, windproof, winter protection, antibiotic, mildew-resistant, warming, uvioresistant and energy release simultaneously.At first this material is applied to aviation and medical field abroad.Along with the attention further to environmental protection and safety, domesticly in recent years also progressively occur and be applied to industries such as recreation facility, daily necessities.TPU can be divided into two kinds of polyester-type and polyether-types by molecular structure, can be divided into injection grade, extrusion grade, blowing level etc. by processing mode.And polyether TPU material compared polyester TPU hydrolysis, after using certain hour its inner material can not be dissolved in water, be difficult for jaundice, than the polyester-type softness, be applicable to that product waterborne is industry material first-selection, superior performance, not having other material at present can replace.
[summary of the invention]
The objective of the invention is to overcome the deficiencies in the prior art, a kind of novel processing method of driving the refining calender of polyether-type TPU composite is provided.
The objective of the invention is to be achieved through the following technical solutions:
A kind of novel processing method of driving the refining calender of polyether-type TPU composite, its concrete steps are:
(1) batch mixing drying
Polyether TPU particle stirring at low speed in temperature is 90～100 ℃ of drying boxes was dewatered 60～120 minutes, allow it fully dehydrate;
(2) become base and deaeration
Dried polyether TPU particle and auxiliary agent are become blob of viscose at mill bag roller, wherein, auxiliary agent account for the polyether TPU particle mass fraction 0.1～0.4%; Refine into no particle bulk, break into briquet, drop into the planetary extruder plasticizing, vacuumizing and defoaming in the plasticizing process forms translucent column down at 160～180 ℃; The polyether TPU material that obtains plastifying;
Described auxiliary agent is nano composite ammonium phosphate, nano barium sulfate, and nano silicon and nano-calcium carbonate, its mass ratio are 1: 2: 2: 1; Be the powder-mixed material.
(3) calendering and applying
The four-roll calender design temperature is under 160～170 ℃, drops into the good polyether TPU material of plasticizing, at roll surface film forming 0.10～0.15mm, compound with polyester filament base cloth under infrared preheating, fit under the pressure of 45～50KG, cooling and shaping obtains polyether-type TPU composite;
Compared with prior art, good effect of the present invention is:
The processing thickness adjustment of the composite of the present invention's preparation is rapid, error is little, the tensile strength test increases by 25% than former base cloth, tearing strength increases by 27%, TPU calendering cloth adopts the four-roll calendaring method to produce, the kind style variedization, the thickness door width of cloth can be regulated arbitrarily, the finished product finished product has the high waterproof, wear-resisting of conventional thermoplastic polyurethane, ageing-resistant, various superior functions such as corrosion resistance increase the use field of thermoplastic polyurethane and processing request scope greatly, reach the demand that meets market more.
Nano barium sulfate master batch of the present invention has light resistance and weatherability available from Suzhou Na Kang nano material Co., Ltd, meets environmental protection standards such as Rohs, improves the mechanical performance of material.
Nano silicon of the present invention converges smart nanometer new material Co., Ltd available from Shanghai, and it has remarkable quantum size effect, small-size effect, skin effect and macro quanta tunnel effect, thereby can show characteristics such as special light, electricity, magnetic; Simultaneously, nano silicon at high temperature also has high-strength, high-ductility, high stability premium properties.
Fire retardant of the present invention is the nano composite ammonium polyphosphate APP, and its chemical structural formula is: (NH4) n+2PnO3n+1; This nano-complex is compared II type APP, and flame retarding efficiency significantly improves, and when identical fire-retardant index, the fire retardant consumption reduces by 1%, is conducive to improve the combination property of polymeric material in polymeric material is fire-retardant; Reach fire-retardant new material Co., Ltd available from Zibo match.
Nano-calcium carbonate of the present invention, nano-calcium carbonate claim super fine calcium carbonate again, can improve the rheological characteristic of plastic matrix, improve its mouldability; Can improve the brightness of material surface, wearing and tearing and impact strength are available from Jin Kai Dihua, Kunshan worker Co., Ltd.
[specific embodiment]
The specific embodiment of the novel processing method of driving the refining calender of a kind of polyether-type TPU of the present invention composite below is provided.
Embodiment 1
A kind of novel processing method of driving the refining calender of polyether-type TPU composite, its concrete steps are:
(1) batch mixing drying: the ER-85A polyether-type TPU (material proportion 1.12, hardness 85shoreA) that adopts Kunshan high ancient cooking vessel chemical industry Co., Ltd to produce, 200kg stirs in rotary drier, is heated to 100 ℃ of dryings 2 hours, notes the material surface appearance, prevents from separating out;
(2) become base and deaeration: dried polyether-type TPU particle and auxiliary agent are wrapped roller No. 1 mill, wherein, auxiliary agent account for the polyether TPU particle mass fraction 0.2%; Initial roller temperature is set at 175 ℃, it is 1: 1.25 that two rollers are set speed ratio, after forming soft tablet on TPU particle bag roller, with roller temperature drop to 165 ℃, add drying particulate bag roller, the temperature that the self-friction that utilizes particle itself to rotate produces forms colloid with material plasticizing, and striking adobe became piece after the colloid temperature reached 170 ℃, utilize itself heat to continue heat ageing 5 minutes, block TPU after will wearing out then drops into No. 2 mills and continues encapsulate, measures temperature in the time of 170 ℃, and striking adobe becomes piece to drop in the planetary extruder, the planetary extruder design temperature is 165 ℃ of charge doors, 170 ℃ of screw rods export 175 ℃, speed setting 12～36r/min, the screw rod vacuum is set at-0.075MPa, extruded velocity is 600KG/h, and discharging becomes translucent no bubble cylinder, reaches optimum state otherwise then will adjust vacuum and extrude speed ratio.
(3) calendering with fit: four-roll calender four roll temperatures are set: 160 ℃ on No. 1 roller, 165 ℃ on No. 2 rollers, 165 ℃ on No. 3 rollers, 165 ℃ on No. 4 rollers, four roller velocity ratios are 1: 1.1: 1.25: 1.4, set four roller spacings, and roll surface is cleaned and lubricate with paraffin before feeding intake, drop into the optimum state material that planetary extruder is extruded, measure average thickness 0.15mm after the film forming, fit, the material hauling speed is 12m/min, the film door width of cloth is set at 2m, infrared heating setpoint is 90KW, and adopting infrared heating to make applying cloth planar survey temperature during production is 195 ℃, and TPU colloid temperature is 170 ℃ during applying, applying rubber roll setting pressure is 50KG, the knurling rolls setting pressure is 45KG, and process velocity is 10m/min, and base cloth thickness is 0.2mm, measuring gross thickness behind the pad pasting is 0.35mm, utilize water-cooled cooling, cooling and shaping carries out same colloid applying operation at half-finished reverse side after the moulding again, pad pasting 0.15mm produces the finished product of polyether-type TPU composite.
Test result shows, the two-sided applying cloth of the polyether TPU pad pasting thickness that comes out with this explained hereafter is evenly at 0.15 ± 0.01mm, gross thickness is 0.50mm, the adjustment of processing thickness is rapid, error is little, the tensile strength test increases by 25% than former base cloth, tearing strength increases by 27%, TPU calendering cloth and adopts the four-roll calendaring method to produce the kind style variedization, the thickness door width of cloth can be regulated arbitrarily, the finished product finished product has the high waterproof of conventional thermoplastic polyurethane, wear-resisting, ageing-resistant, various superior functions such as corrosion resistance, use field and the processing request scope of thermoplastic polyurethane are increased greatly, reach the demand that meets market more.
Comparative Examples 1
Comparing with embodiment, only is not contain auxiliary agent, namely step (2) dried polyether-type TPU particle is wrapped roller No. 1 mill, have any different herein, other is the same.
The tensile strength test of this product reduces by 20% than the product of embodiment 1, and tearing strength reduces by 15%, and performance descends a lot than embodiment 1.
The above only is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Claims (5)
- A polyether-type TPU composite open the refining calender novel processing method, it is characterized in that its concrete steps are:(1) batch mixing drying(2) become base and deaeration(3) calendering and applyingThe four-roll calender design temperature is under 160～170 ℃, drops into the good polyether TPU material of plasticizing, at roll surface film forming 0.10～0.15mm, compound with polyester filament base cloth under infrared preheating, fit under the pressure of 45～50KG, cooling and shaping obtains polyether-type TPU composite.
- A kind of polyether-type TPU composite as claimed in claim 1 open the refining calender novel processing method, it is characterized in that, described batch mixing drying: be specially polyether TPU particle stirring at low speed in temperature is 90～100 ℃ of drying boxes was dewatered 60～120 minutes, allow it fully dehydrate.
- A kind of polyether-type TPU composite as claimed in claim 1 open the refining calender novel processing method, it is characterized in that, described one-tenth base and deaeration: be specially dried polyether TPU particle and auxiliary agent are become blob of viscose at mill bag roller, wherein, auxiliary agent account for the polyether TPU particle mass fraction 0.1～0.6%; Refine into no particle bulk, break into briquet, drop into the planetary extruder plasticizing, vacuumizing and defoaming in the plasticizing process forms translucent column down at 160～180 ℃.
- 4. the novel processing method of driving the refining calender of a kind of polyether-type TPU composite as claimed in claim 3 is characterized in that described auxiliary agent is nano composite ammonium phosphate, nano barium sulfate, nano silicon and nano-calcium carbonate.
- A kind of polyether-type TPU composite as claimed in claim 1 open the refining calender novel processing method, it is characterized in that, described auxiliary agent is nano composite ammonium phosphate, and nano barium sulfate, the mass ratio of nano silicon and nano-calcium carbonate are 1: 2: 2: 1.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692754A (en) * | 2013-09-09 | 2014-04-02 | 中国人民解放军总后勤部建筑工程研究所 | Preparation method of TPU coated fabric |
| CN105216407A (en) * | 2015-10-20 | 2016-01-06 | 江苏增强新材料科技有限公司 | A kind of production method of polyether-type tent material |
| CN106894289A (en) * | 2017-01-25 | 2017-06-27 | 浙江环龙新材料科技有限公司 | It is a kind of to be combined polyether TPU film with the good CCK paper film for peeling off function |
| CN107955365A (en) * | 2017-11-24 | 2018-04-24 | 广东聚航新材料研究院有限公司 | The TPU materials and rainbow illusion-colour thin-film sheet being bonded online for rainbow illusion-colour thin-film sheet |
| CN109722002A (en) * | 2017-10-31 | 2019-05-07 | 丹阳博亚新材料技术服务有限公司 | It is a kind of convenient for ventilative greenhouse film |
| CN110903631A (en) * | 2019-11-13 | 2020-03-24 | 东莞市雄林新材料科技股份有限公司 | Chlorinated polyethylene modified TPU film and preparation method thereof |
| CN115972468A (en) * | 2022-11-30 | 2023-04-18 | 东方(天津)新材料科技有限公司 | Preparation method of anti-corrosion sleeve |
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| CN102390152A (en) * | 2011-07-21 | 2012-03-28 | 无锡翔隆高分子面料有限公司 | Manufacture method of high-strength TPU (thermoplastic polyurethane) compound fabric |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692754A (en) * | 2013-09-09 | 2014-04-02 | 中国人民解放军总后勤部建筑工程研究所 | Preparation method of TPU coated fabric |
| CN105216407A (en) * | 2015-10-20 | 2016-01-06 | 江苏增强新材料科技有限公司 | A kind of production method of polyether-type tent material |
| CN106894289A (en) * | 2017-01-25 | 2017-06-27 | 浙江环龙新材料科技有限公司 | It is a kind of to be combined polyether TPU film with the good CCK paper film for peeling off function |
| CN106894289B (en) * | 2017-01-25 | 2018-10-02 | 浙江环龙新材料科技有限公司 | A kind of compound polyether TPU film of CCK paper laminations with good stripping function |
| CN109722002A (en) * | 2017-10-31 | 2019-05-07 | 丹阳博亚新材料技术服务有限公司 | It is a kind of convenient for ventilative greenhouse film |
| CN107955365A (en) * | 2017-11-24 | 2018-04-24 | 广东聚航新材料研究院有限公司 | The TPU materials and rainbow illusion-colour thin-film sheet being bonded online for rainbow illusion-colour thin-film sheet |
| CN110903631A (en) * | 2019-11-13 | 2020-03-24 | 东莞市雄林新材料科技股份有限公司 | Chlorinated polyethylene modified TPU film and preparation method thereof |
| CN115972468A (en) * | 2022-11-30 | 2023-04-18 | 东方(天津)新材料科技有限公司 | Preparation method of anti-corrosion sleeve |
| CN115972468B (en) * | 2022-11-30 | 2024-03-12 | 东方(天津)新材料科技有限公司 | Preparation method of anti-corrosion sleeve |
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| CN103264567B (en) | 2016-01-20 |
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Effective date of registration: 20190301 Address after: 211632 Huaijian Industrial Concentration Zone, Yinji Town, Jinhu County, Huaian City, Jiangsu Province Patentee after: Jiangsu Zengqiang New Material Science & Technology Co., Ltd. Address before: 211632 Huaijian Industrial Concentration Zone, Yinji Town, Jinhu County, Huaian City, Jiangsu Province Co-patentee before: Jiangsu Jinling Outdoors Gear Co., Ltd. Patentee before: Jiangsu Zengqiang New Material Science & Technology Co., Ltd. Co-patentee before: Jiangsu Jinling Net Industry Co., Ltd. |