CN111619192A - Composite material containing aerogel, composite fabric and preparation method of composite material - Google Patents
Composite material containing aerogel, composite fabric and preparation method of composite material Download PDFInfo
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- CN111619192A CN111619192A CN201910143589.3A CN201910143589A CN111619192A CN 111619192 A CN111619192 A CN 111619192A CN 201910143589 A CN201910143589 A CN 201910143589A CN 111619192 A CN111619192 A CN 111619192A
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- aerogel
- powder
- hot melt
- melt adhesive
- containing composite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to a composite material containing aerogel, a composite fabric and a preparation method thereof. The aerogel-containing composite material disclosed by the invention has the effects of water resistance, air permeability and temperature locking after foaming. The composite fabric comprises a base layer, a surface layer and a heat-preservation breathable layer arranged between the base layer and the surface layer, wherein the heat-preservation breathable layer is made of aerogel-containing composite materials, the aerogel-containing composite materials are formed by mixing aerogel powder, hot melt adhesive powder and foaming powder, the hot melt adhesive is TPU hot melt adhesive or PA hot melt adhesive, and the aerogel is silicon dioxide aerogel.
Description
Technical Field
The invention relates to a composite material, in particular to an aerogel-containing composite material, and also designs a composite fabric made of the aerogel-containing composite material and a preparation method of the composite fabric.
Background
The aerogel is a light solid material which is formed by stacking nano-scale particles and has nano-scale holes, has extremely high porosity and specific surface area and extremely low density and solid content, and is widely applied to the fields of national defense, military industry, aerospace and the like. The existing hot melt adhesive powder is widely applied to clothing adhesive lining cloth to change the hand feeling of the original fabric, but the existing hot melt adhesive powder does not have waterproof and temperature-locking effects and has poor air permeability.
In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a new aerogel-containing composite material, which has industrial application value.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide the aerogel-containing composite material which has waterproof, breathable and temperature-locking effects after foaming. In addition, the invention also provides a composite fabric prepared from the aerogel-containing composite material and a preparation method of the composite fabric.
The aerogel-containing composite material comprises aerogel powder, hot melt adhesive powder and foaming powder, wherein the hot melt adhesive comprises TPU hot melt adhesive or PA hot melt adhesive, and the aerogel-containing composite material is suitable for being compounded with a fabric.
By the scheme, the invention at least has the following advantages: the aerogel-containing composite material is formed by mixing aerogel and TPU (polyurethane) hot melt adhesive or high-quality PA hot melt adhesive, and a sponge layer formed by foaming the composite material has waterproof and temperature-locking effects, and meanwhile, the hand feeling or elasticity of the original fabric can not be changed on the premise of keeping the original heat preservation characteristic. Because aerogel itself is lighter, aerogel reveals easily when directly mixing heating it with hot melt adhesive powder, and both are difficult for melting together, through the setting of foaming powder for the TPU hot melt adhesive forms the foaming body that has the hole through the foaming effect of foaming powder, and these holes play the effect of locking the temperature, and the aerogel that lies in the foaming body simultaneously has strengthened the locking temperature effect of foaming body itself, and the heat is difficult for conducting through the foaming body. During specific manufacturing, an operator mechanically mixes the powder of the hot melt adhesive, the powder of the aerogel and the foaming powder in a certain proportion to form the aerogel-containing composite material.
In conclusion, the aerogel-containing composite material disclosed by the invention has better waterproof, breathable and temperature-locking effects after being foamed.
Furthermore, the foaming powder of the aerogel-containing composite material is high-temperature microsphere foaming powder.
The invention adopts high-temperature microsphere foaming powder, namely thermal expansion microspheres (foaming microspheres), which have a unique core-shell structure, wherein the shell is thermoplastic acrylate polymer, and the core is spherical plastic particles consisting of hydrocarbon, and the volume is rapidly expanded and increased to dozens of times of the volume after heating, thereby achieving the foaming effect.
Further, in the aerogel-containing composite material of the present invention, the aerogel is a hydrophobic aerogel, and the aerogel is a silica aerogel or a graphene aerogel.
Further, the aerogel-containing composite material of the present invention comprises the following components by mass: (5-200): 1: (0.2-10).
Further, the aerogel-containing composite material of the present invention comprises the following components by mass: 40:1:2.
Further, the aerogel-containing composite material of the present invention, the fabric comprises a woven fabric, a non-woven fabric or leather.
Further, the aerogel-containing composite material of the present invention further comprises an EVA hot melt adhesive, PE (synthetic wax) or PEs (polyester).
The utility model provides a composite fabric, includes basic unit, surface course and locates the ventilative layer of heat preservation between basic unit and the surface course, the ventilative layer of heat preservation is made by the combined material that contains aerogel, the combined material that contains aerogel is formed by mixing the powder of aerogel, the powder and the foaming powder of hot melt adhesive, the hot melt adhesive is TPU hot melt adhesive or PA hot melt adhesive, the aerogel is silica aerogel.
The thermal insulation breathable layer formed by mixing the TPU hot melt adhesive or the PA (polyamide) hot melt adhesive, the aerogel and the foaming powder is softer in texture, the original characteristics of the base material cannot be changed, and meanwhile, the composite material has waterproof and breathable effects and can be applied to the fields of clothing, home textiles and the like.
A preparation method of a composite fabric comprises the following steps:
s1: under a sealed environment, uniformly mixing aerogel powder, hot melt adhesive powder and foaming powder in a mechanical mixing mode to form a composite material containing aerogel;
s2: the aerogel-containing composite material formed in the step S1 is dotted or coated on the surface of the base layer by a dotted molding machine or a coater;
s3: placing the base layer and the aerogel-containing composite material on the surface of the base layer into heating equipment for heating;
s4: cooling the heated base layer and the aerogel-containing composite material to normal temperature;
s5: compounding the surface layer on the base layer and the composite material containing aerogel through extrusion heating equipment to finally form a finished product.
The composite fabric prepared by the method is soft in texture, waterproof and good in air permeability.
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clear and clear, and to implement the technical solutions according to the content of the description, the following is a preferred embodiment of the present invention.
Detailed Description
The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The first embodiment is as follows:
the aerogel-containing composite material comprises aerogel powder, hot melt adhesive powder and foaming powder, wherein the hot melt adhesive comprises TPU (thermoplastic polyurethane) hot melt adhesive, and the aerogel-containing composite material is suitable for being compounded with a fabric.
Preferably, the foam powder is a high-temperature microsphere foam powder.
Preferably, the aerogel is a hydrophobic aerogel and the aerogel is a silica aerogel.
Preferably, in the aerogel-containing composite material of the present invention, the mass ratio of the hot melt adhesive powder, the aerogel powder and the foaming powder is: 40:1:2.
Preferably, the fabric is a woven fabric.
Preferably, the hot melt adhesive also comprises EVA hot melt adhesive.
The combined material that contains aerogel of this embodiment is through mixing aerogel and TPU hot melt adhesive and forming the combined material that contains the aerogel, and the sponge layer that is formed by this combined material foaming has waterproof and lock warm effect, is keeping under the prerequisite of original heat preservation characteristic simultaneously, can not change the feel or the elasticity of original surface fabric. Because aerogel itself is lighter, aerogel reveals easily when directly mixing heating it with hot melt adhesive powder, and both are difficult for melting together, through the setting of foaming powder for the TPU hot melt adhesive forms the foaming body that has the hole through the foaming effect of foaming powder, and these holes play the effect of locking the temperature, and the aerogel that lies in the foaming body simultaneously has strengthened the locking temperature effect of foaming body itself, and the heat is difficult for conducting through the foaming body. During specific manufacturing, an operator mechanically mixes the powder of the hot melt adhesive, the powder of the aerogel and the foaming powder in a certain proportion to form the aerogel-containing composite material.
Example two:
the aerogel-containing composite material comprises aerogel powder, hot melt adhesive powder and foaming powder, wherein the hot melt adhesive comprises PA hot melt adhesive, and the aerogel-containing composite material is suitable for being compounded with a fabric.
Preferably, the foam powder is a high-temperature microsphere foam powder.
Preferably, the aerogel is a hydrophobic aerogel and the aerogel is a graphene aerogel.
Preferably, in the aerogel-containing composite material of the present invention, the mass ratio of the hot melt adhesive powder, the aerogel powder and the foaming powder is: 5:1:0.2 or 5:1:10 or 200:1:0.2 or 200:1: 10.
Preferably, the fabric is a nonwoven fabric or leather.
Preferably, the hot melt adhesive also comprises PE or PES.
The combined material that contains aerogel of this embodiment forms the combined material that contains the aerogel through mixing aerogel and high-quality PA hot melt adhesive, and the sponge layer that is formed by this combined material foaming has waterproof and lock warm effect, is keeping under the prerequisite of original heat preservation characteristic simultaneously, can not change the feel or the elasticity of original surface fabric. Because aerogel itself is lighter, aerogel reveals easily when directly mixing heating it with hot melt adhesive powder, and both are difficult for melting together, through the setting of foaming powder for the hot melt adhesive forms the foaming body that has the hole through the foaming effect of foaming powder, and these holes play the effect of locking the temperature, and the aerogel that lies in the foaming body simultaneously has strengthened the lock temperature effect of foaming body itself, and the heat is difficult for conducting through the foaming body. During specific manufacturing, an operator mechanically mixes the powder of the hot melt adhesive, the powder of the aerogel and the foaming powder in a certain proportion to form the aerogel-containing composite material.
Example three:
the utility model provides a composite fabric, includes basic unit, surface course and locates the ventilative layer of heat preservation between basic unit and the surface course, and the ventilative layer of heat preservation is made by the combined material who contains aerogel, and the combined material who contains aerogel is formed by the powder of aerogel, the powder and the foaming powder mixture of hot melt adhesive, and the hot melt adhesive is TPU hot melt adhesive or PA hot melt adhesive, and the aerogel is silica aerogel.
Preferably, the mass ratio of the powder of the hot melt adhesive, the powder of the aerogel and the foaming powder is as follows: 40:1:2, and the foaming powder is high-temperature microsphere foaming powder.
The ventilative layer of heat preservation that forms after the combined material foaming that contains aerogel has better heat preservation effect, and can not change the characteristic of surface course or basic unit, simultaneously, because the clearance is less between the foaming granule on ventilative layer of heat preservation, and water has certain tension, consequently makes composite fabric not only have better ventilative, lock warm effect, and can be waterproof.
Example four:
a preparation method of a composite fabric comprises the following steps:
s1: under a sealed environment, uniformly mixing aerogel powder, hot melt adhesive powder and foaming powder in a mechanical mixing mode to form a composite material containing aerogel;
s2: the aerogel-containing composite material formed in the step S1 is dotted or coated on the surface of the base layer by a dotted molding machine or a coater;
s3: placing the base layer and the aerogel-containing composite material on the surface of the base layer into heating equipment for heating;
s4: cooling the heated base layer and the aerogel-containing composite material to normal temperature;
s5: compounding the surface layer on the base layer and the composite material containing aerogel through extrusion heating equipment to finally form a finished product.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description.
In addition, the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention. Also, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. An aerogel-containing composite, characterized by: the composite material comprises aerogel powder, hot melt adhesive powder and foaming powder, wherein the hot melt adhesive comprises TPU hot melt adhesive or PA hot melt adhesive, and the aerogel-containing composite material is suitable for being compounded with fabric.
2. The aerogel-containing composite of claim 1, wherein: the foaming powder is high-temperature microsphere foaming powder.
3. The aerogel-containing composite of claim 1, wherein: the aerogel is hydrophobic aerogel, and the aerogel is silicon dioxide aerogel or graphene aerogel.
4. The aerogel-containing composite of claim 1, wherein: the mass ratio of the powder of the hot melt adhesive to the powder of the aerogel to the foaming powder is as follows: (5-200): 1: (0.2-10).
5. The aerogel-containing composite of claim 4, wherein: the mass ratio of the powder of the hot melt adhesive to the powder of the aerogel to the foaming powder is as follows: 40:1:2.
6. The aerogel-containing composite of claim 1, wherein: the fabric comprises woven cloth, non-woven cloth or leather.
7. The aerogel-containing composite of claim 1, wherein: the hot melt adhesive also comprises EVA hot melt adhesive, PE or PES.
8. A composite fabric is characterized in that: the thermal insulation breathable layer is made of aerogel-containing composite materials, the aerogel-containing composite materials are formed by mixing aerogel powder, hot melt adhesive powder and foaming powder, the hot melt adhesive is TPU hot melt adhesive or PA hot melt adhesive, and the aerogel is silicon dioxide aerogel.
9. The preparation method of the composite fabric is characterized by comprising the following steps of:
s1: under a sealed environment, uniformly mixing aerogel powder, hot melt adhesive powder and foaming powder in a mechanical mixing mode to form a composite material containing aerogel;
s2: the aerogel-containing composite material formed in the step S1 is dotted or coated on the surface of the base layer by a dotted molding machine or a coater;
s3: placing the base layer and the aerogel-containing composite material on the surface of the base layer into heating equipment for heating;
s4: cooling the heated base layer and the aerogel-containing composite material to normal temperature;
s5: compounding the surface layer on the base layer and the composite material containing aerogel through extrusion heating equipment to finally form a finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910143589.3A CN111619192A (en) | 2019-02-27 | 2019-02-27 | Composite material containing aerogel, composite fabric and preparation method of composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910143589.3A CN111619192A (en) | 2019-02-27 | 2019-02-27 | Composite material containing aerogel, composite fabric and preparation method of composite material |
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| Publication Number | Publication Date |
|---|---|
| CN111619192A true CN111619192A (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910143589.3A Pending CN111619192A (en) | 2019-02-27 | 2019-02-27 | Composite material containing aerogel, composite fabric and preparation method of composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056553A (en) * | 2022-05-31 | 2022-09-16 | 帝人商事（上海）有限公司 | Silicon dioxide medium cotton thermal insulation material and production process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880418A (en) * | 2010-06-30 | 2010-11-10 | 华南理工大学 | Transparent EVA heat insulating material and preparation method thereof |
| KR20130075241A (en) * | 2011-12-27 | 2013-07-05 | 주식회사 포스코 | Insulation film using psa mixed with aerogel and method for manufacturing the same |
| CN107266774A (en) * | 2016-04-08 | 2017-10-20 | 南京唯才新能源科技有限公司 | A kind of aerogel composite and preparation method thereof |
| CN109130405A (en) * | 2018-08-30 | 2019-01-04 | 疏博（上海）纳米科技有限公司 | A kind of heat-insulated covering and preparation method thereof |
| CN109486468A (en) * | 2018-12-06 | 2019-03-19 | 曹云来 | A kind of adhesive of aerogel-congtg and preparation method thereof |
-
2019
- 2019-02-27 CN CN201910143589.3A patent/CN111619192A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880418A (en) * | 2010-06-30 | 2010-11-10 | 华南理工大学 | Transparent EVA heat insulating material and preparation method thereof |
| KR20130075241A (en) * | 2011-12-27 | 2013-07-05 | 주식회사 포스코 | Insulation film using psa mixed with aerogel and method for manufacturing the same |
| CN107266774A (en) * | 2016-04-08 | 2017-10-20 | 南京唯才新能源科技有限公司 | A kind of aerogel composite and preparation method thereof |
| CN109130405A (en) * | 2018-08-30 | 2019-01-04 | 疏博（上海）纳米科技有限公司 | A kind of heat-insulated covering and preparation method thereof |
| CN109486468A (en) * | 2018-12-06 | 2019-03-19 | 曹云来 | A kind of adhesive of aerogel-congtg and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056553A (en) * | 2022-05-31 | 2022-09-16 | 帝人商事（上海）有限公司 | Silicon dioxide medium cotton thermal insulation material and production process thereof |
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