CN106147107A - The elastomer foamed material of multi-layer thermoplastic and manufacture method thereof - Google Patents
The elastomer foamed material of multi-layer thermoplastic and manufacture method thereof Download PDFInfo
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- CN106147107A CN106147107A CN201510150700.3A CN201510150700A CN106147107A CN 106147107 A CN106147107 A CN 106147107A CN 201510150700 A CN201510150700 A CN 201510150700A CN 106147107 A CN106147107 A CN 106147107A
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Abstract
The present invention is with regard to a kind of multi-layer thermoplastic elastomer (thermoplastic elastomer, TPE) expanded material and manufacture method thereof, the elastomer foamed material of described multi-layer thermoplastic has specific formula, can make it between layers need not be through sticking together, and hot pressing need not be carried out again after foaming, can fit tightly.The present invention also discloses the specific manufacture method of a kind of multi-layer foam material as well.
Description
Technical field
The present invention is with regard to a kind of multi-layer thermoplastic elastomer (TPE) expanded material and manufacture method thereof, particularly relates to one
It is TPE material and the manufacture method thereof of sandwich construction after foaming.
Background technology
Current expanded material mainly comprises plastics and the big class of rubber two, and wherein plastic foam material, such as polyvinyl chloride
(polyvinyl chloride, PVC) expanded material, EVA expanded material, EVA/ polyethylene (polyethylene, PE) are sent out
Foam materials etc., have moulding easy, the advantage of beautiful appearance of processing, but it also have elastic and antiskid property difference, and reclaim
It the shortcoming such as is difficult to；And traditional rubber expanded material such as styrene-butadiene rubber (styrene-butadiene rubber,
SBR) with neoprene (Chloroprene rubber) etc., although having elastic good and that antiskid property is good advantage, it also has
Aft-loaded airfoil and moulding be difficult to, the shortcoming such as product has peculiar smell, waste material is not easily recycled.
Otherwise, TPE expanded material have color brilliant white, elasticity is good, antiskid property is good, soft, be easy to aft-loaded airfoil and be easy to
Reclaim, the advantage having plastic foam material and tradition rubber expanded material in fact concurrently, and TPE be the environment-friendly materials not having toxicity,
So gradually being paid attention to by market by the expanded material that TPE prepares.
But conventional process prepare TPE expanded material, it is impossible to directly prepare sandwich construction, and need to by solid and/
Or the use of mid-level net layer of cloth, could prepare layer and interlayer adhesion still can multilayer material.
In view of this, No. 2009/0286893 patent publication of the U.S. discloses a kind of improved multilayer TPE foaming material
The manufacture method of material, after it is by forming each layer TPE foaming layer respectively, recycling TPE membrane middle layer and hot pressing
Each layer is combined and obtains multilayer TPE expanded material by mode.But in this processing procedure, each layer is to be formed respectively again through hot pressing
Closing, program still dislikes loaded down with trivial details.
In view of the above problems, still a kind of easier multilayer TPE expanded material manufacture method to be developed.
Content of the invention
The first object of the present invention is to provide a kind of elastomer foamed material of multi-layer thermoplastic, and it can be specific by comprising
The TPE elastomer raw material composition of component ratio foams and prepares.
The multi-layer thermoplastic elastomer of the present invention, it is between layers without having following layer or an intermediate layer, i.e. up to
The peel strength of more than 0.5kgf/25mm, even more than 1.0kgf/25mm, and the multi-layer thermoplastic elastomer of the present invention
No matter the engineering properties such as hardness, density, tensile strength and elongation percentage all may conform to the requirement of business application.
The second object of the present invention is to provide a kind of method forming the elastomer foamed material of multi-layer thermoplastic, under it comprises
Row step:
A) provide thermoplastic elastomer (TPE) matrix, crosslinking agent, foaming agent and other additives, be gradually heated up with kneader
To molten condition and uniformly mix so that it is form green stock mixture；
B) this green stock mixture a) obtaining is sent into the first mixing board to stir, treat its cooling to 70 to 110 DEG C
Temperature after, be re-fed into the second mixing board, forming raw material strip, and it is thin that the raw material strip of gained is cut into raw material
Piece；
C) different raw material lamina stack is built up multilayer raw material lamina stack；And
D) the multilayer raw material lamina stack of c) gained directly foamed and treat that it cools down, multi-layer thermoplastic elastomer can be obtained
Expanded material.
By the method for the formation elastomer foamed material of multi-layer thermoplastic of the present invention, can be through hot pressing, i.e. in single
Foaming step directly prepares multi-layer thermoplastic elastomeric material.
Another object of the present invention, is to provide the multilayer foamed thermoplastic elastomeric foaming material being obtained by said method.
Brief description
Fig. 1 is the schematic diagram of the elastomer foamed material of multi-layer thermoplastic of the present invention, and its upper strata is directly to engage with lower interlayer
And exist without scrim layer or glue-line.
Fig. 2 is the method flow diagram of the formation elastomer foamed material of multi-layer thermoplastic of the present invention.
Detailed description of the invention
The first object of the present invention is to provide a kind of elastomer foamed material of multi-layer thermoplastic, and it can be specific by comprising
The TPE elastomer raw material composition of component ratio foams and prepares.
Specifically, the elastomer foamed material of the multi-layer thermoplastic of the present invention is by will comprise the base of particular types and ratio
The raw material composition of the TPE elastomer of matter (i.e. " main glue "), crosslinking agent (bridging agent) and foaming agent foams and prepares.
In this raw material composition, can optionally add other functional additives, such as foaming assistant agent, crosslinked assistant agent, softening
Agent and/or filler etc..
Thermoplastic elastomer (TPE) matrix therein is with the s-B-S of soft segment (SBS), styrene-second
Alkene/butylene-styrene (SEBS), styrene-isoprene-phenylethene (SIS) and styrene ethylene-propylene-styrene
(SEPS), polybutadiene (Polybutadiene), maleic anhydride graft phenylethene-ethylene/butylene-styrene (Maleic
Anhydride-grafted SEBS) etc. based on thermoplastic elastomer (TPE), but also can use other kinds of thermoplastic elastomer (TPE).Excellent
The soft segment thermoplastic elastomer (TPE) matrix of choosing is SBS, SEBS, SIS and polybutadiene.
The species of the main glue of above-mentioned soft segment can be used alone according to the character of material to be obtained or be used in combination.According to plural main glue kind
Class, the ratio between its species also can adjust on demand.The gross weight of main glue should account for 5 weight % of total thermoplastic elastomer (TPE) matrix
To 95 weight %, preferably comprise 50 weight % of total thermoplastic elastomer (TPE) matrix to 95 weight %.
In addition to the main glue of soft segment, thermoplastic elastomer (TPE) matrix still should comprise to provide rigid hard block thermoplastic elastomer (TPE) base
Matter, such as (but not limited to) polystyrene (PS) and poly-stretch phenyl oxide (poly phenylene oxide, PPO)
Deng.
The gross weight of hard block matrix should account for 5 weight % of total thermoplastic elastomer (TPE) matrix to 95 weight %, preferably 5 weight
% to 50 weight %.
Also other polymer substrates can optionally be added, to adjust the character of material.This other polymer substrates are selected from example
Such as (but not limited to) low density polyethylene (LDPE) (LDPE), high density polyethylene (HDPE) (HDPE), ethene-vinyl acetate (EVA),
Polypropylene (PP), thermoplastic polyurethane (TPU), acrylonitrile-butadiene-styrene copolymer (ABS),
Acrylonitritrile-styrene resin (AS), how synthetic fibre (Nylon), polyolefin elastomer (polyolefin elastomer,
POE) and the group etc. that formed of mixture, its content is with 50 weight % less than total matrix as principle.
The crosslinking agent of the present invention is cumyl peroxide (dicumyl peroxide, DCP) or dual-tert-butyl peroxy isopropyl base
Benzene (bis (t-butylperoxy isopropy) benzene, BIPB), the weight ratio of its content and total matrix content should be 0.01:
100 to 1.5: 100, preferably 0.02: 100 to 1: 100.
The foaming agent of the present invention be selected from azodicarbonamide (Azodicarbonamide, AC), 4, the double benzene sulphur of 4 '-oxo
Hydrazides (4,4 '-Oxybis (benzenesulfonyl hydrazide), OBSH), unifor
The group that (P-Toluenesulfonhydrazide, TSH) is formed, the weight ratio of its content and total matrix content should be 1:
100 to 20: 100, preferably 2: 100 to 15: 100.
In addition to above-mentioned matrix, crosslinking agent and foaming agent, the raw material composition of the present invention can optionally add foaming assistant agent, friendship
Connection assistant agent, softening agent, filler and other functional additives.
The foaming assistant agent being applicable to the present invention can be such as (but not limited to) zinc oxide (ZnO), zinc stearate (zinc
Stearate, ZnSt), urea (urea), salicylic acid, lead stearate (lead (II) stearate, PbSt) or its group
Compound, its content can be the 20% to 100% of foaming agent usage amount.
Be applicable to the present invention crosslinked assistant agent can for such as (but not limited to) triaryl cyanurate (Triaryl cyanurate,
TAC), three hydrocarbon methylpropane trimethyl propionic esters (Trimethylol propane trimethacrylate, TRIM), to benzene
Dioctyl phthalate diallyl (Diaryl terephthalate, DATP), preferably triaryl cyanurate, and its content can be
The 20% to 50% of crosslinking agent usage amount.
The softening agent being applicable to the present invention can be such as (but not limited to) White Mineral Oil (white mineral oil) or naphthenic oil
(naphthenic oil), preferably naphthenic oil.
The filler being applicable to the present invention is then selected from (but not limited to) calcium carbonate or talcum etc., preferably calcium carbonate.Filler
The ratio of content and matrix gross weight to be advisable less than 40: 100.
Also can optionally and demand adds other functional additives, such as antilubricant, antistatic additive, antioxidant, purple
Outside line (UV) absorbent, pigment etc..The content of such additive is without specifically limited.It is said that in general, such additive
The ratio of content and matrix gross weight be less than 5: 100, preferably no more than 3: 100.
Can have good physical property with the thermoplastic elastic material of above-mentioned raw material composition foaming, therefore can be direct
Stacked after the raw material thin slice that this raw material composition is extruded, cuts into particular size, more direct foamed,
In the case of need not using following layer or intermediate layer, prepare the elastomer foamed material of multi-layer thermoplastic.Particularly, with
The elastomer foamed material of multi-layer thermoplastic that above-mentioned raw material composition directly foams can have about 130kg/m3Density,
Even reach 30kg/m3High-foaming density, be more than 2kgf/m3, even greater than 4kgf/m3Tensile strength (according to ASTM
D412-06a, Die C), be more than 50%, the elongation percentage of even greater than 100% or 115% (according to ASTMD412-06a,
Die C), especially its peel strength between layers is up to more than 0.5kgf/25mm, even l kgf/25mm with
It is upper that (sample: L x w=200mm x 25mm carries out peeling off test simultaneously with the speed of 200mm/min in puller system
Maximum bearing strength before record stripping).
Each layer of the elastomer foamed material of multi-layer thermoplastic of the present invention can have identical or different characteristic, for example, can have adding
Different pigment but other raw materials identical raw material lamina stack poststack directly foam, with prepared character all once having polychrome
The elastomer foamed material of multi-layer thermoplastic；Or can be laminated on containing containing less foaming compared with the raw material lamina stack of multi blowing agents
On the raw material thin slice of agent and foam, to form the elastomer foamed material of upper soft lower hard multi-layer thermoplastic.
It is a further object of the present invention to provide a kind of method forming the elastomer foamed material of multi-layer thermoplastic, it comprises following
Step:
A) provide thermoplastic elastomer (TPE) matrix, crosslinking agent, foaming agent and other additives, be gradually heated up with kneader
To molten condition and uniformly mix, to form green stock mixture；
B) this green stock mixture a) obtaining is sent into the first mixing board to stir so that it is cooling is to 70 to 110 DEG C
Temperature, be re-fed into the second mixing board, forming raw material strip, and the raw material strip of gained cut into raw material thin slice；
C) different raw material lamina stack is built up multilayer raw material lamina stack；And
D) the multilayer raw material lamina stack of c) gained directly foamed and treat that it cools down, sending out to obtain multi-layer thermoplastic elastomer
Foam material.
For a) to d) each step, details are as follows:
Step a): mediate
Each composition included in the green stock mixture of the present invention is as described above.Whole composition can be added in the single stage simultaneously
Carry out heating and mediating, and obtain may green stock mixture.But, as being intended to obtain good multi-layer thermoplastic elastomer
During expanded material, preferably use a1 containing following steps) and multistage kneading mode a2):
A1): by thermoplastic elastomer (TPE) matrix, polymer substrate (according to when), foaming assistant agent and other additive (examples
Such as softening oil, filler etc.) send into kneader, it is uniformly mixed and heated to melt stage (depending on matrix species, typically
Be about 150 DEG C to 180 DEG C) after cool down again and granulate, to obtain thermoplastic elastomer (TPE) matrix granule；And
A2) this thermoplastic elastomer (TPE) matrix granule: by a1) being obtained is sent in kneader, treats that temperature reaches 90 DEG C extremely
Add foaming agent, crosslinking agent and crosslinked assistant agent after 120 DEG C, continue to mediate till dispersed.
The above-mentioned multistage is used to mediate reason for this is that of mode: the purpose that the first stage mediates is by thermoplastic elastomer (TPE) base
Matter, polymer substrate and other additives uniformly mix, but now temperature is higher, therefore in the relatively low second stage of temperature
Begin to add foaming agent, crosslinking agent and crosslinked assistant agent, to maintain its reactivity.
Step b): compressing tablet and cutting
Being the compressing tablet mode using the two-stage in the method for the present invention, its first stage is that the paste being obtained step a) is raw
Material mixture is sent into mixing board and stirs so that it is be able to the temperature of cooling to 70 to 110 DEG C, to avoid
The interior heat that polymerisation is given birth to is to crosslinking agent generation effect.Then raw material composition is sent into the second mixing board so that it is pressure
Make thickness and the homogeneous raw material strip of width.
It after the cooling of raw material strip, is cut to the raw material thin slice of regular length according to Len req.Can be with any known
Mode cut.
Step c) stacks
According to demand by different raw material thin slice (the different raw material thin slice of such as principal component ratio, or principal component ratio is identical
But the different raw material thin slice of color) sequentially stack, to form raw material lamina stack.
Step d) foams
The raw material lamina stack being obtained step c) is directly placed in the mould of hydraulic press and imposes certain temperature and pressure,
Multilayer foamed to carry out.Tradition can be used to carry out the foaming machine of EVA foaming.Preferred foaming condition is 150 DEG C to 180 DEG C
Temperature, 120kg/m3To 200kg/m3Pressure and time of 10 minutes to 60 minutes.
Foamed lamina stack is stood a period of time under normal temperature, to cool down.Cooling required time is according to material thickness
And different, it is usually between for 20 to 60 minutes.
After foamed lamina stack cools down, the elastomer foamed material of multi-layer thermoplastic of the present invention can be obtained.
Example
Below by the example in detail present invention and effect thereof, but such example is only further elaborated with the present invention
It is used, the meaning of unrestricted scope.It is obvious any modification or change for those who familiarize themselves with the technology, belong to
The disclosure category of this specification.
Example 1: by the SBS of 40 parts (LCY 475), 30 parts of SIS (Shell, Kraton D1117), 25 parts of polybutadiene
(TSRC, Taipol BR0150), 5 parts of POE (Dow Chemical, Engage EG8150), 15 parts of PS, 10 parts of PP,
50 parts of calcium carbonate, 20 parts of naphthenic oils and 1.5 parts of ZnSt are placed in kneader, are gradually heated to 160 degree to carry out first
Stage mediates, and makes mentioned component be uniformly mixed, then with standby after grit maker cooling granulation.By gained thermoplastic elastic
Crosslinked assistant agent TAC (the TCI Tokyo of body matrix granule, 7.5 parts of blowing agent ACs, 0.25 part of crosslinking agent B IPB and 0.075 part
Chemical Industry Co., Ltd) it is placed in kneader, it is gradually heated up to 100 DEG C and obtain to carry out second stage kneading
Obtain raw material composition.Raw material composition sends into the double roller machine of First, and heat radiation, to 80 DEG C, is re-fed into second double roller machine
In cut into the raw material thin slice of 640mm*990mm*0.5mm.Two panels raw material thin slice is pushed away the raw material lamina stack changing be placed in
In foaming machine, in temperature, the 150kg/m of 170 DEG C3Pressure condition under hot-pressing and foaming 20 minutes, quiet after normal temperature
Put 20 minutes.
Example 2: with example 1, only replaces AC with OBSH.
Example 3: with example 1, only replaces part with maleic anhydride-g-SBS (Shell Chemical, FG1901)
SBS, replaces PP with ABS.
Comparative example 1: by the SBS of 30 parts (LCY 475), 30 parts of SIS (Shell, Kraton D1117), 10 parts of maleic acids
Acid anhydride Maleated SEBS (Shell Chemical, FG1901), 25 parts of polybutadiene (TSRC, Taipol BR0150), 5 parts
POE (Dow Chemical, Engage EG8150), 15 parts of PMMA, 10 parts of PET, 50 parts of calcium carbonate, 20 parts of rings
Alkane oil and 1.5 parts of ZnSt are placed in kneader and are gradually heated to 160 degree and uniformly mix, then with standby after grit maker cooling granulation.
By gained thermoplastic elastomer (TPE) matrix granule, 7.5 parts of blowing agent ACs, 0.25 part of crosslinking agent B IPB and 0.075 part of friendship
Connection assistant agent TAC (TCI Tokyo Chemical Industry Co., Ltd) mixes in kneader and is gradually heated up to 140 DEG C
To obtain raw material.Raw material are sent into the double roller board of First and are dispelled the heat to 80 DEG C, are re-fed into cutting in second double roller machine
The raw material thin slice of 640mm*990mm*0.5mm.Two panels raw material thin slice is pushed away the raw material piece changing, is placed in foaming machine,
And in the temperature of 170 DEG C and 150kg/m3Pressure under attempt to carry out foaming 20 minutes, but thermoplastic elastic cannot be obtained
Body expanded material.
Example 5: engineering properties is tested
Carrying out hardness, density, tensile strength, elongation percentage and peel strength test to aforementioned each example, result is as follows:
| Example 1 | Example 2 | Example 3 | Comparative example 1 | |
| SBS | 40 | 40 | 30 | 30 |
| Maleic anhydride-g-SBS | - | - | 10 | 10 |
| SIS | 30 | 30 | 30 | 30 |
| Poly-succinic | 25 | 25 | 25 | 25 |
| POE | 5 | 5 | 5 | 5 |
| PS | 15 | 15 | 15 | - |
| PP | 10 | 10 | - | - |
| ABS | - | - | 10 | - |
| PMMA | - | - | - | 15 |
| PET | - | - | - | 10 |
| Calcium carbonate | 50 | 50 | 50 | 50 |
| Naphthenic oil | 20 | 20 | 16 | 20 |
| ZnSt | 1.5 | 1.5 | 1.5 | 1.5 |
| AC | 7.5 | - | 7.5 | 7.5 |
| OBSH | - | 7.5 | - | - |
| BIPB | 0.25 | 0.25 | 0.25 | 0.25 |
| TAC | 0.075 | 0.075 | 0.075 | 0.075 |
| Hardness * | 29 | 25 | 12 | ** |
| Density * (kg/m3) | 132 | 136 | 130 | ** |
| Tensile strength * (kgf/m2) | 5.34 | 6.85 | 5.20 | ** |
| Elongation percentage * (%) | 155 | 124 | 180 | ** |
| Peel strength * (kgf/25mm) | 1.54 | 1.49 | 1.85 | ** |
* the test mode of each character is as follows:
Hardness: ASTM D2240-05；
Density: ASTM D1056-07；
Tensile strength: ASTM D412-06a, Die C；
Elongation percentage: ASTM D412-06a, Die C；
Peel strength: sample L x w=200mm x 25mm, peels off with the speed of 200mm/min in puller system
Test, and note down its maximum bearing strength before peeling off.
* is because forming expanded material, it is impossible to test.
Claims (14)
1. the elastomer foamed material of multi-layer thermoplastic, it is between layers without following layer or intermediate layer.
2. the elastomer foamed material of multi-layer thermoplastic according to claim 1, its tearing strength between layers is 0.5
More than kgf/25mm.
3. the elastomer foamed material of multi-layer thermoplastic according to claim 2, it has following character: greater than 30kg/m3
Density, be more than 2kgf/m3Tensile strength and more than 50% elongation percentage.
4. the elastomer foamed material of the multi-layer thermoplastic according to any one of claims 1 to 3, it is by comprising following ingredients
Composition foaming prepares:
Soft segment thermoplastic elastomer (TPE) matrix；
Hard block thermoplastic elastomer (TPE) matrix；
Crosslinking agent；And
Foaming agent；
Wherein this soft segment thermoplastic elastomer (TPE) matrix accounts for the 5 to 95% of thermoplastic elastomer (TPE) matrix gross weight, this hard block
Thermoplastic elastomer (TPE) matrix accounts for the 95 to 5% of thermoplastic elastomer (TPE) matrix gross weight, the content of this crosslinking agent and total matrix
The weight ratio of content is 0.01: 100 to 1.5: 100, and the weight ratio of the content of this foaming agent and total matrix content
It is 1: 100 to 20: 100.
5. the elastomer foamed material of multi-layer thermoplastic according to claim 4, wherein this soft segment thermoplastic elastomer (TPE) matrix
Content is with the 50 to 95% of the total restatement of thermoplastic elastomer (TPE) matrix, and selected from the group being made up of following component:
S-B-S (SBS), styrene-ethylene/butylene-styrene (SEBS), styrene-isoamyl
Styrene (SIS) and styrene ethylene-propylene-styrene (SEPS), polybutadiene (Polybutadiene),
Maleic anhydride graft phenylethene-ethylene/butylene-styrene (Maleic anhydride-grafted SEBS) and mixing thereof
Thing.
6. the elastomer foamed material of multi-layer thermoplastic according to claim 4, wherein this hard block thermoplastic elastomer (TPE) matrix
Content is with the 5 to 50% of the total restatement of thermoplastic elastomer (TPE) matrix, and is polystyrene (PS), gathers and stretch phenyl
Oxide (poly phenylene oxide, PPO) or combinations thereof.
7. the elastomer foamed material of multi-layer thermoplastic according to claim 4, it comprises further selected from by following component institute group
The polymer substrate of the group of one-tenth: low density polyethylene (LDPE) (LDPE), high density polyethylene (HDPE) (HDPE), ethene-
Vinyl acetate (EVA), polypropylene (PP), thermoplastic polyurethane (TPU), acrylic nitrile-butadiene two
Alkene-styrol copolymer (ABS), acrylonitritrile-styrene resin (AS), how synthetic fibre (Nylon), polyene
Olefin elastomer (polyolefin elastomer, POE) and mixture thereof, and the content of this polymer substrate do not surpasses
Cross 50 weight % of total matrix.
8. the elastomer foamed material of multi-layer thermoplastic according to claim 4, wherein this foaming agent is selected from by following material institute group
The group of one-tenth: azodicarbonamide (Azodicarbonamide, AC), 4,4 '-OBSH
(4,4 '-Oxybis (benzenesulfonyl hydrazide), OBSH), unifor
(P-Toluenesulfonhydrazide, TSH) and mixture thereof, and its content is 2 with the weight ratio of total matrix:
100 to 15: 100.
9. the elastomer foamed material of multi-layer thermoplastic according to claim 4, wherein this crosslinking agent is selected from cumyl peroxide
(dicumyl peroxide, DCP), dual-tert-butyl peroxy isopropyl base benzene (bis (t-butylperoxy
Isopropy) benzene, BIPB) or its mixture, and the weight ratio system 0.02: 100 of its content and total matrix
To 1: 100.
10. forming a method for the elastomer foamed material of multi-layer thermoplastic, it comprises the steps of
A) provide thermoplastic elastomer (TPE) matrix, crosslinking agent, foaming agent and the foaming assistant agent being optionally added into, crosslinking auxiliary
Agent, softening agent and filler, be gradually heated to molten condition with kneader and uniformly mixed, and mixes to form raw material
Compound；
B) this green stock mixture a) obtaining is sent into the first mixing board to stir so that it is cooling is to 70 to 110 DEG C
Temperature, be re-fed into the second mixing board, to form raw material strip；
C) the raw material strip of b) gained is cut into raw material thin slice, and it is thin that such raw material lamina stack is built up multilayer raw material
Piece heap；And
D) the multilayer raw material lamina stack of c) gained directly foamed and treat that it cools down, to obtain multi-layer thermoplastic elastomer
Expanded material.
11. methods according to claim 10, wherein a) comprise:
A1) thermoplastic elastomer (TPE) matrix and the foaming assistant agent, the softening agent that are optionally added into are mixed and heated to filler
Cooling granulation after melt stage, to obtain thermoplastic elastomer (TPE) matrix granule；And
A2) this thermoplastic elastomer (TPE) matrix granule is heated with foaming agent, crosslinking agent and crosslinked assistant agent and uniformly mixes.
12. method according to claim 11, wherein a1) described heating refers to be heated to the temperature of 150 DEG C to 180 DEG C, step
Rapid a2) described heating refers to be heated to the temperature of 90 DEG C to 120 DEG C.
13. methods according to claim 10, wherein thermoplastic elastomer (TPE) matrix, foaming agent and crosslinking agent are to want according to right
Ask 4 defined persons.
The elastomer foamed material of multi-layer thermoplastic of 14. 1 kinds of unrepeatered transmission or glue-line, it is by according in claim 10 to 12
The method of any one is formed.
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| CN106916468A (en) * | 2017-03-21 | 2017-07-04 | 合肥华凌股份有限公司 | Fretting map door seal pellet and preparation method thereof and gasket |
| CN107501843A (en) * | 2017-08-23 | 2017-12-22 | 成都新柯力化工科技有限公司 | A kind of preparation method of inexpensive expandable microspheres for flexibilizing ABS foamed plastics |
| CN114272987A (en) * | 2021-04-29 | 2022-04-05 | 福建思嘉新材料科技有限公司 | Novel TPE (thermoplastic elastomer) foamed sheet and processing method thereof |
| CN115627028A (en) * | 2022-10-24 | 2023-01-20 | 郑州大学 | In-situ microfibrillar reinforced polymer composite heat-insulation foam material and preparation method and application thereof |
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| CN1853897A (en) * | 2005-04-20 | 2006-11-01 | 微细科技股份有限公司 | High-power foaming production of thermoplastic elastomer composite material |
| US20090286893A1 (en) * | 2008-05-15 | 2009-11-19 | Ruey-Sheng Shih | Method for producing multi-layered thermoplastic elastomer material |
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| CN114272987A (en) * | 2021-04-29 | 2022-04-05 | 福建思嘉新材料科技有限公司 | Novel TPE (thermoplastic elastomer) foamed sheet and processing method thereof |
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