CN109280207A - A kind of preparation method of high-elasticity thermal insulation material - Google Patents

A kind of preparation method of high-elasticity thermal insulation material Download PDF

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CN109280207A
CN109280207A CN201811013420.8A CN201811013420A CN109280207A CN 109280207 A CN109280207 A CN 109280207A CN 201811013420 A CN201811013420 A CN 201811013420A CN 109280207 A CN109280207 A CN 109280207A
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thermal insulation
insulation material
elasticity thermal
preparation
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王召惠
周立
史志新
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0066—Use of inorganic compounding ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/02—Polyureas
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/10—Homopolymers or copolymers of propene
    • C08J2423/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2451/06—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond

Abstract

The present invention relates to a kind of preparation methods of high-elasticity thermal insulation material, belong to fabric technical field.Present invention drift takes isophorone diisocyanate, is dissolved in n,N-dimethylacetamide and amine terminated polyether D2000 is uniformly mixed, and pre-polymerization obtains isocyanate prepolymer；It takes ethylenediamine and n,N-dimethylacetamide to be uniformly mixed, then the solution is added drop-wise in isocyanate prepolymer, drop reaction obtains polyureas solution；Starch and deionized water are mixed, adhesive is obtained；Master batch and ammonium hydrogen carbonate are taken, adhesive is added, foaming obtains foamed material and crushes, and obtains granular sponge material；It takes polypropylene fibre to be soaked in potassium oxide solution, cleans surface with distilled water after taking-up；It is impregnated being stirred in polypropylene fibre and ethylene copolymerization emulsions dilution, takes out drying after fiber is mixed with granular sponge material, obtain high-elasticity thermal insulation material.High-elasticity thermal insulation material prepared by the present invention is fluffy light, has warmth retention property good, and anti-compression properties are good, and compression resilience is high.

Description

A kind of preparation method of high-elasticity thermal insulation material
Technical field
The present invention relates to a kind of preparation methods of high-elasticity thermal insulation material, belong to fabric technical field.
Background technique
Wool has unique thermal insulation in all fibres.Heat insulating material made of wool heat insulating material has excellent Bulkiness, flexibility, warmth retention property, penetrability are one of important representatives of natural heat insulating material.But wool heat insulating material also has very Big defect, such as wool, intolerant to damaging by worms, having peculiar smell, bacterium easy to breed, adding wool, price is relatively more high in the market It is expensive so that for many years wool heat insulating material can not large-scale promotion it is universal.Natural feather has three-dimensional triangle skeleton structure, can be with Play the role of preservation air, delay heat loss significantly, and wadding material made of natural feather have it is light it is soft and moist, warming, have Elasticity, easy the features such as restoring, become the heat insulating material that people are pursued.But there is also some disadvantages, such as intensity for natural feather Aspect is poor, becomes powder, easily bores suede etc. using easily snapping off after of long duration, and natural feather resource is limited, and price is very high It is expensive.Natural feather product currently on the market, such as down jackets, eiderdown quilt etc. can be divided into multiple class according to different manufacturing process, Price variance is very big.Gum sprayed cotton is regarded as spraying-bonded wadding again, be it is a kind of to select hollow or high crimped polyester, acrylic fibers be raw material, A kind of heat insulating material prepared using spray bonding.It is by raw material by shredding, mixing, networking, spray adhesive and baking The processes such as dry are prepared.It is in the reticular structure of space three-dimensional inside gum sprayed cotton, many air, therefore its bulkiness can be retained Height, elasticity is good, soft touch, light weight, and has the characteristics that anti-corrosion, mothproof, mould proof, Moisture-proof lamp, especially has good guarantor Warm performance.Imitative silk flosssilk wadding is also a kind of heat insulating material with superior performance, it is three-layer composite structure, upper surface and lower layer's table Face uses based on common high Tekes polyester fiber, is bonded using ES fiber；Elastic middle layer uses low Tekes Polyester fiber and the low Tekes polyester fiber of Three-dimensional crimped hollow and ES fiber are bonded.It is relatively obtained through overtesting, this Kind material fluffy degree is higher, and compression resilience is more preferable, and soft surface, and has certain strength.Space wadding is also known as metal Cotton, space cotton, metal coating flocculus, it is the completely new ultra-thin of one kind, thermal property is fabulous, heat-insulated and shielding property is all good Material.Space wadding is from top to bottom divided into five layers, and base is meiting powder, and metal film surface layer is originally grouped as by four, respectively Are as follows: non-woven cloth, aluminum titanium alloy reflecting layer, polyethylene film, surface layer wadding material, base and metal film are compounded in one by needle point method It rises.Space wadding so obtained in aspect of performance such as cold-proof heat insulations considerably beyond materials such as traditional cotton, hair, natural feathers, especially Its heat insulation effect is more significant under conditions of especially cold and extreme heat.With the development of society, the improvement of people's living standards, It once wore the clothes and covers epoch of body and do not existed already.In cold winter, merely warming has not been people for the material that keeps warm Material is unique to be required, be more sight is placed on it is more frivolous, more on straight character, and traditional heat insulating material or it is more or It is few all to there is certain insufficient even defect, as be easy to happen after cotton long-time use it is hardened, reunite the problems such as, can seriously affect Warmth retention property and bulkiness；Heat insulating material made of wool, cashmere has certain smell, and long-time storage be easy to happen damage by worms, It is the problems such as mildew, expensive；Although natural feather warmth retention property and fluffy performance are very outstanding, its bullet after long-time is compressed Property be not easy to restore, and be easy crush, in clothes occur bore suede the problems such as.The quality of heat insulating material performance depends not only on fiber The performance of aggregate also depends on the space structure of heat insulating material entirety, and often the latter integrally stores sky to heat insulating material inside The number of gas and transmitting of the heat between heat insulating material play the role of vital.This project is using imitative silk flosssilk wadding as main body Material designs the composite heat insulation material of multilayered structure, it can be improved using heat insulating material structure feature itself by developing one kind The novel high-elasticity heat insulating material of thermal property and compression recovery performance.Silk flosssilk wadding in people's lives, is imitated as a kind ofization now Fine heat insulating material has been widely used and the various fields such as clothes, household textiles, good warmth retention property, bulkiness and valence The advantages that lattice are preferential is by the excellent substitute as traditional heat insulating material, and static flocking technology has unique table as a kind of Face processing technology is widely applied in textile garment, packaging, decoration, instrument etc. already, but static flocking technology is applied to protect The research of warm material is still very rare, and therefore, static flocking technology is applied in heat insulating material by this project, and comprehensive electrostatic is planted Suede a little with the warming characteristic of heat insulating material, prepare a kind of novel high-elasticity heat insulating material, it is warming in preparation to explore electrostatic spinning Effect and influence in material provide certain reference for the research in novel heat-preserving material field.
Summary of the invention
The technical problems to be solved by the invention: poor for existing heat insulating material anti-compression properties, compression recovery performance is not Ideal problem proposes a kind of preparation method of high-elasticity thermal insulation material.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
(1) it takes isophorone diisocyanate, n,N-dimethylacetamide and amine terminated polyether D2000 to be uniformly mixed, uses Mixture of ice and water makes reaction temperature control at 0 DEG C, and pre-polymerization 30min obtains isocyanate prepolymer；
(2) it takes ethylenediamine and n,N-dimethylacetamide to be uniformly mixed, then the solution is added drop-wise in isocyanate prepolymer, drip After adding, the reaction was continued 5min obtains polyureas solution；
(3) polyureas solution, talcum powder, kaolin, floating bead and maleic anhydride inoculated polypropylene are taken, vinyl trimethoxy silicon is added Alkane, twin-screw extrusion master batch；
(4) starch and deionized water are mixed, obtains adhesive；
(5) master batch and ammonium hydrogen carbonate are taken, adhesive is added, foaming 30min obtains foamed material under the conditions of 100 DEG C of sealing, will send out Foam material crushed after being dried obtains granular sponge material；
(6) it takes polypropylene fibre to be soaked in 0.01mol/L potassium hydroxide solution, is taken out after 10h and clean surface with distilled water and obtain To modified polypropylene fiber；
(7) modified polypropylene fiber is placed in stirring in vinyl acetate and ethylene copolymerization emulsions again and impregnates 30min, take out fiber with It is dry after granular sponge material mixing, obtain high-elasticity thermal insulation material.
Step (1) isophorone diisocyanate, the quality of n,N-dimethylacetamide and amine terminated polyether D2000 Than for 5:5:6.
Step (2) ethylenediamine and the mass ratio of n,N-dimethylacetamide are 5:1.
Step (3) the polyureas solution, talcum powder, kaolin, floating bead, maleic anhydride inoculated polypropylene and vinyl front three The mass ratio of oxysilane is 50:15:15:15:5:1.
Step (4) starch and the mass ratio of deionized water are 3:5.
The mass ratio of step (5) master batch, ammonium hydrogen carbonate and adhesive is 5:3:4.
Step (6) polypropylene fibre and potassium hydroxide solution mass ratio are 1:3.
The quality of step (7) modified polypropylene fiber, vinyl acetate and ethylene copolymerization emulsions and granular sponge material Than for 1:2:10.
The present invention is compared with other methods, and advantageous effects are:
(1) floating bead is a kind of tiny balloon particle, and main component is aluminum oxide and silica, the composition class with ceramics It seemingly, is gaseous carbon dioxide in the hollow sphere of floating bead, thermal coefficient is small, so floating bead itself has good thermal insulation property；Grain Shape sponge material has the characteristics that porosity is high, elasticity is high, light weight density is small, still can after being squeezed by any distortion It is enough returned to original shape, due to joined inorganic little particle in granular sponge material, there is it to infrared ray certain Barriering effect, play warming effect；
(2) when a large amount of granular sponge material accumulation, due to the relationship of gravity, it is uneven to may cause spatial distribution, filling After in clothing or other objects, the consequence that local warmth retention property is lower will lead to, and one layer is wrapped up outside granular sponge material Polypropylene fibre improves the pressure of heat insulating material so that the granular sponge material easily dispersed originally has certain space structure Contracting resilience performance, also ensures warmth retention property；When material such as is squeezed at the external forces, granular sponge material is in polypropylene fibre It collides with each other in net, disperses and reduce pressure, be unlikely to deform so that filling clothing quilt of this material etc.；
(3) the high-elasticity thermal insulation material prepared by the present invention is fluffy light, has warmth retention property good, anti-compression properties are good, compression and back The high feature of elasticity.
Specific embodiment
50 ~ 75g isophorone diisocyanate, 60 ~ 90g is taken to be dissolved in n,N-dimethylacetamide and 50 ~ 75g Amino End Group poly- Ether D2000 is uniformly mixed, and makes reaction temperature control at 0 DEG C with mixture of ice and water, it is pre- to obtain isocyanates by pre-polymerization 30min Polymers；5 ~ 7g ethylenediamine and 1 ~ 2gN are taken, N- dimethyl acetamide is uniformly mixed, then the solution is added drop-wise to Isocyanate prepolymers In object, after being added dropwise, the reaction was continued 5min obtains polyureas solution；Take 50 ~ 75g polyureas solution, 15 ~ 20g talcum powder, 15 ~ 20g kaolin, 15 ~ 20g floating bead, 5 ~ 7g maleic anhydride inoculated polypropylene and 1 ~ 2g vinyltrimethoxysilane, twin-screw squeeze Master batch out；30 ~ 45g starch and 50 ~ 75g deionized water are mixed, adhesive is obtained；Take 50 ~ 75g master batch and 30 ~ 45g bicarbonate 40 ~ 60g adhesive is added in ammonium, and foaming 30min obtains foamed material under the conditions of 100 DEG C of sealing, by powder after foamed material drying It is broken, obtain granular sponge material；10 ~ 15g polypropylene fibre is taken to be soaked in 30 ~ 45g0.01mol/L potassium hydroxide solution, after 10h It takes out and cleans surface with distilled water and obtain modified polypropylene fiber；5 ~ 7g modified polypropylene fiber is placed in 10 ~ 15g acetic acid again 30min is impregnated in stirring in ethylene and 50 ~ 75g ethylene copolymerization emulsions dilution, takes out after fiber is mixed with granular sponge material and does It is dry, obtain high-elasticity thermal insulation material.
Take that 50g isophorone diisocyanate, 60g are dissolved in n,N-dimethylacetamide and 50g amine terminated polyether D2000 is stirred Mix it is uniformly mixed, with mixture of ice and water make reaction temperature control at 0 DEG C, pre-polymerization 30min obtains isocyanate prepolymer；Take 5g Ethylenediamine and 1 ~ 2gN, N- dimethyl acetamide is uniformly mixed, then the solution is added drop-wise in isocyanate prepolymer, is dripped Bi Hou, the reaction was continued 5min, obtain polyureas solution；Take 50g polyureas solution, 15g talcum powder, 15g kaolin, 15g floating bead, 5g horse Maleic anhydride grafted polypropylene and 1g vinyltrimethoxysilane, twin-screw extrusion master batch；By 30g starch and 50g deionized water Mixing, obtains adhesive；50g master batch and 30g ammonium hydrogen carbonate are taken, 40g adhesive is added, foam 30min under the conditions of 100 DEG C of sealing Foamed material is obtained, by foamed material crushed after being dried, obtains granular sponge material；10g polypropylene fibre is taken to be soaked in 30g0.01mol/L potassium hydroxide solution, takes out after 10h and cleans surface with distilled water and obtain modified polypropylene fiber；Again by 5g Modified polypropylene fiber is placed in stirring in 10g vinyl acetate and 50g ethylene copolymerization emulsions dilution and impregnates 30min, takes out fiber It is dry after being mixed with granular sponge material, obtain high-elasticity thermal insulation material.
Take that 63g isophorone diisocyanate, 75g are dissolved in n,N-dimethylacetamide and 58g amine terminated polyether D2000 is stirred Mix it is uniformly mixed, with mixture of ice and water make reaction temperature control at 0 DEG C, pre-polymerization 30min obtains isocyanate prepolymer；Take 6g Ethylenediamine and 1.5gN, N- dimethyl acetamide is uniformly mixed, then the solution is added drop-wise in isocyanate prepolymer, is dripped Bi Hou, the reaction was continued 5min, obtain polyureas solution；Take 58g polyureas solution, 17g talcum powder, 17g kaolin, 17g floating bead, 6g horse Maleic anhydride grafted polypropylene and 1.5g vinyltrimethoxysilane, twin-screw extrusion master batch；By 37g starch and 63g deionization Water mixing, obtains adhesive；63g master batch and 37g ammonium hydrogen carbonate are taken, 50g adhesive is added, foams under the conditions of 100 DEG C of sealing 30min obtains foamed material, by foamed material crushed after being dried, obtains granular sponge material；13g polypropylene fibre is taken to be soaked in 37g0.01mol/L potassium hydroxide solution, takes out after 10h and cleans surface with distilled water and obtain modified polypropylene fiber；Again by 6g Modified polypropylene fiber is placed in stirring in 13g vinyl acetate and 58g ethylene copolymerization emulsions dilution and impregnates 30min, takes out fiber It is dry after being mixed with granular sponge material, obtain high-elasticity thermal insulation material.
Take that 75g isophorone diisocyanate, 90g are dissolved in n,N-dimethylacetamide and 75g amine terminated polyether D2000 is stirred Mix it is uniformly mixed, with mixture of ice and water make reaction temperature control at 0 DEG C, pre-polymerization 30min obtains isocyanate prepolymer；Take 7g Ethylenediamine and 1 ~ 2gN, N- dimethyl acetamide is uniformly mixed, then the solution is added drop-wise in isocyanate prepolymer, is dripped Bi Hou, the reaction was continued 5min, obtain polyureas solution；Take 75g polyureas solution, 20g talcum powder, 20g kaolin, 20g floating bead, 7g horse Maleic anhydride grafted polypropylene and 2g vinyltrimethoxysilane, twin-screw extrusion master batch；By 45g starch and 75g deionized water Mixing, obtains adhesive；75g master batch and 45g ammonium hydrogen carbonate are taken, 60g adhesive is added, foam 30min under the conditions of 100 DEG C of sealing Foamed material is obtained, by foamed material crushed after being dried, obtains granular sponge material；15g polypropylene fibre is taken to be soaked in 45g0.01mol/L potassium hydroxide solution, takes out after 10h and cleans surface with distilled water and obtain modified polypropylene fiber；Again by 7g Modified polypropylene fiber is placed in stirring in 15g vinyl acetate and 75g ethylene copolymerization emulsions dilution and impregnates 30min, takes out fiber It is dry after being mixed with granular sponge material, obtain high-elasticity thermal insulation material.
The heat insulating material that high-elasticity thermal insulation material prepared by the present invention and Shandong company produce is detected, it is specific to examine Survey result such as following table table 1:
Detection method:
It takes the imitative silk flosssilk wadding of 2 pieces of same sizes to pull open on direction in length and breadth, then spraying binder, and is covered on heat preservation layer two sides, and Two Biomimetic membranes persons are bonded securely with compounding machine and are combined with each other, high-elasticity thermal insulation material is obtained.
The heat insulating material of a kind of high-elasticity thermal insulation material being prepared into and the production of Jilin company is detected, it is specific to examine It surveys as follows:
(1) thermal insulation property is tested
Thermal property test is referring to the GB/T11048-2008 " survey of thermal resistance and dampness under textile physiological comfort limit It is fixed ", the warming tester of YG606F textile that Instrument Ltd.'s production is had an area of using Wenzhou District of Zhejiang Province, shown, every kind of sample Three pieces of samples are taken, the square that size is 25cm*25cm is cut into, all samples place 24 in laboratory with constant temperature and constant humidity It is tested after hour, the principle of test is constant temperature method test philosophy, the mode of test are as follows: by instrument testing to required state, After hot plate temperature rises to 36 DEG C, after the completion of skip test, the sample of test is put into for advanced line blank sample control test It is tested in the test box body of warming tester.
Heat preservation rate heat preservation rate (%): heat dissipation capacity Q when sample in the hot body unit time is not wrapped up0Hot body when with package sample Heat dissipation capacity Q in unit time1Difference account for heat dissipation capacity Q when not wrapping up sample in the hot body unit time0Percent value, number Learn expression formula are as follows: W=[(Q0-Q1)/Q0] × 100%
(3) compression recovery performance is tested
Compression resilience performance test reference GB/T24442.1-2009 " the 1st part of measurement of textile compression performance: Constant method ", compression performance test is carried out using homemade compression performance test equipment, takes sample 1-80 prepared, often Kind sample takes three pieces, is cut into the square of 10cm*10cm size, it is small that all samples place 24 in laboratory with constant temperature and constant humidity When, the method for test is level pressure method test compression performance, specific test method are as follows: takes one piece of sample, top places weight and is The plate of 150g, the light light pressure thickness H of measurement after pressing 1min0, then 1100g weight is placed on plate, amount to the weight of 1250g Weight thickness H is measured after time 1min1, weight is then removed, sample is made to measure the thickness that is restored after slighter compress springs back 3min Spend H2, take the light pressure thickness H of three pieces of samples of per sample (p.s.)0, weight thickness H1With recovery thickness H2Average value, last electricity consumption Sub- balance measures the quality of each test sample, and is converted into sample surface density M.
Compression ratio C(%): representing sample compression deformation is to the light percentage for pressing thickness, and indicates fabric bulkiness Quality, expression formula are as follows: C=[(H0-H1)/H0]×100
(5) compress ional resilience index R(%): indicate that deformation-recovery amount to the percentage of compression deformation, also illustrates that the abundant property of fabric Holding capacity, expression formula are as follows: R=[(H2-H1)/(H0-H1)] × 100
Specific test result such as table 1.
1 high-elasticity thermal insulation material property of table characterization
As shown in Table 1, high-elasticity thermal insulation material heat preservation rate prepared by the present invention significantly improves, and has reached higher compression ratio and pressure Spring rate is retracted, there is vast potential for future development.

Claims (8)

1. a kind of preparation method of high-elasticity thermal insulation material, which is characterized in that specific production step are as follows:
(1) it takes isophorone diisocyanate, n,N-dimethylacetamide and amine terminated polyether D2000 to be uniformly mixed, uses Mixture of ice and water makes reaction temperature control at 0 DEG C, and pre-polymerization 30min obtains isocyanate prepolymer；
(2) it takes ethylenediamine and n,N-dimethylacetamide to be uniformly mixed, then the solution is added drop-wise in isocyanate prepolymer, drip After adding, the reaction was continued 5min obtains polyureas solution；
(3) polyureas solution, talcum powder, kaolin, floating bead and maleic anhydride inoculated polypropylene are taken, vinyl trimethoxy silicon is added Alkane, twin-screw extrusion master batch；
(4) starch and deionized water are mixed, obtains adhesive；
(5) master batch and ammonium hydrogen carbonate are taken, adhesive is added, foaming 30min obtains foamed material under the conditions of 100 DEG C of sealing, will send out Foam material crushed after being dried obtains granular sponge material；
(6) it takes polypropylene fibre to be soaked in 0.01mol/L potassium hydroxide solution, is taken out after 10h and clean surface with distilled water；
(7) polypropylene fibre is placed in stirring in vinyl acetate and ethylene copolymerization emulsions again and impregnates 30min, take out fiber with it is granular It is dry after sponge material mixing, obtain high-elasticity thermal insulation material.
2. a kind of preparation method of high-elasticity thermal insulation material as described in claim 1, which is characterized in that step (1) is described different The mass ratio of isophorone diisocyanate, n,N-dimethylacetamide and amine terminated polyether D2000 is 5:5:6.
3. a kind of preparation method of high-elasticity thermal insulation material as described in claim 1, which is characterized in that step (2) described second Diamines and the mass ratio of n,N-dimethylacetamide are 5:1.
4. a kind of preparation method of high-elasticity thermal insulation material as described in claim 1, which is characterized in that step (3) is described poly- Urea solution, talcum powder, kaolin, floating bead, maleic anhydride inoculated polypropylene and vinyltrimethoxysilane mass ratio be 50: 15:15:15:5:1。
5. a kind of preparation method of high-elasticity thermal insulation material as described in claim 1, which is characterized in that step (4) described shallow lake Powder and the mass ratio of deionized water are 3:5.
6. a kind of preparation method of high-elasticity thermal insulation material as described in claim 1, which is characterized in that step (5) mother The mass ratio of grain, ammonium hydrogen carbonate and adhesive is 5:3:4.
7. a kind of preparation method of high-elasticity thermal insulation material as described in claim 1, which is characterized in that step (6) is described poly- Tacryl and potassium hydroxide solution mass ratio are 1:3.
8. a kind of preparation method of high-elasticity thermal insulation material as described in claim 1, which is characterized in that step (7) is described poly- The mass ratio of tacryl, vinyl acetate and ethylene copolymerization emulsions and granular sponge material is 1:2:10.
CN201811013420.8A 2018-08-31 2018-08-31 A kind of preparation method of high-elasticity thermal insulation material Pending CN109280207A (en)

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CN106478922A (en) * 2015-08-28 2017-03-08 山东绿色民足鞋业科技有限公司 A kind of regenerative polyurethane sponge particles glue joins foaming elastic material
CN107641188A (en) * 2017-09-22 2018-01-30 厦门同欣源包装制品有限公司 A kind of sole is made of ETPU materials and its preparation method and application

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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