CN100430202C - Normal pressure continuous foaming production method for heat-plastic elastomer composite material - Google Patents
Normal pressure continuous foaming production method for heat-plastic elastomer composite material Download PDFInfo
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- CN100430202C CN100430202C CNB2004101012888A CN200410101288A CN100430202C CN 100430202 C CN100430202 C CN 100430202C CN B2004101012888 A CNB2004101012888 A CN B2004101012888A CN 200410101288 A CN200410101288 A CN 200410101288A CN 100430202 C CN100430202 C CN 100430202C
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Abstract
The present invention relates to an atmospheric continuous foaming production method for thermoplastic elastomer composite materials. Composite materials taking polymer main materials comprising thermoplastic elastomers as the base materials are treated by kneading and sheet output by the traditional rubber continuous foaming technology after components including a foaming agent, a bridging agent and the like are added in the composite materials; then, the formed sheet bodies are conveyed into a bake oven, and is treated by foaming under ordinary pressure; after the foaming treatment is completed, the sheet bodies are cooled, and the foaming materials can be continuously produced. The foaming materials not only have the characteristics of high elasticity and slide prevention like ordinary rubber foaming materials but also have the advantages of simple formulation, easy coloring effect, easy secondary operation, environmental protection and the like as the ordinary plastic foaming materials; moreover, the foaming materials can be recovered and regenerated.
Description
Technical field
The present invention relates to a kind of manufacture method of expanded material, refer in particular to a kind of continuous foamed method for making of traditional rubber of utilizing, under atmospheric pressure state, produce the method for the expanded material that has ordinary rubber and plastic foam material characteristic concurrently continuously.
Background technology
Generally speaking, traditional expanded material can probably be divided into two kinds of plastic foam material and rubber expanded materials etc. according to the difference of its raw material that uses, because the material characteristic difference of these foaming material sections, so its application also is not quite similar.With traditional plastic foam material is example, in its foam process technology, generally all be with ethene-vinyl acetate co-polymer (Ethylene Vinyl Acetate, be called for short EVA), or EVA and polyethylene (Polyethylene, PE) admixture is a primary raw material, produced plastic foam material, remove to have and be easy in the back segment procedure, it is shaped to outside the advantage of other complicated shape finished product, it is simple and easy also to have prescription, be easy to advantages such as painted, in addition, because its foam process and the application on Related product are quite ripe, so footwear material that is seen everywhere in the daily life or ground cushion material, be to use this plastic foam material to make mostly, still, its shortcoming is that elasticity of this plastic foam material own and on-slip are relatively poor.
As for utilizing the continuous foamed technology of traditional rubber produced traditional rubber expanded material under normal pressure (being atmospheric pressure) state, then be with polyvinyl chloride (Polyvinyl Chloride, be called for short PVC)/acrylonitrile-butadiene rubber (Acrylonitrile butadiene rubber, being called for short ABR) rubber type of material such as admixture is its primary raw material, though produced rubber expanded material can remedy the shortcoming of aforementioned plastic foam material, have preferable weatherability and physical characteristic, often be applied to making products such as floating material waterborne or motion ground cushion, but, the prescription of this kind rubber expanded material is but comparatively complicated, and very easily causes environmental pollution because of the dust that is produced in the manufacture process.In addition, this rubber expanded material is difficult to be shaped to the finished product of other complicated shape in the back segment procedure, and the also difficult recovery of the waste material that is produced, even because of the PVC environmental issue, and gradually disabled trend is arranged.
Therefore, how mat changes technology, produces the expanded material that has ordinary rubber and plastic foam material characteristic concurrently under atmospheric pressure state continuously, with the characteristic and the application of effective lifting expanded material, is the important topic that the present invention inquires in this desire.
Summary of the invention
Because aforementioned conventional rubber and plastic foam material institute's problem of existence respectively for a long time, the inventor is according to for many years practical experience and research experience, develop the normal pressure continuous foaming production method of a kind of thermoplastic elastomer composite material of the present invention, this method is to utilize the composite of thermoplastic elastomer for base material, mat adds the compounding ingredient of different functions respectively, behind the composition such as blowing agent and bridging agent, use conventional apparatus, it is mediated and after slice handles, under atmospheric pressure state, to its processing of foaming, produce this bright expanded material.
Main purpose of the present invention is to provide a kind of can produce the expanded material that has ordinary rubber and plastic foam material characteristic concurrently continuously under atmospheric pressure state, with the characteristic and the application of effective lifting expanded material.
For reaching above-mentioned purpose, the invention provides a kind of normal pressure continuous foaming production method of thermoplastic elastomer composite material, use traditional continuous foamed technology, utilize continuous foamed technology of traditional rubber and device, to the polymeric main material that comprises thermoplastic elastomer is the composite of base material, through adding the function compounding ingredient respectively, behind blowing agent and the bridging agent composition, mediate and the slice processing, behind the continuous lamellar body to be formed, should send in the baking oven by continuous lamellar body again, under atmospheric pressure state, the processing of foaming after waiting to finish foaming, is cooled off through roller again, batch, produce the continuous foamed material lamellar body of rolling, like this, can need not significantly to change under the situation of existing process conditions, fully with thermoplastic elastomer composite material, produce the continuous foamed material lamellar body of rolling, to replace the rubber expanded material that PVC/ABR admixture now or other rubber are made.
According to another concrete grammar of the present invention, composite to described thermoplastic elastomer, mediate and after slice handles, can earlier it be cut into the lamellar body of appropriate size, again according to actual needs, with the lamellar body storehouse in a hot pressing die, carry out hot-pressing processing, after waiting to obtain required mold pressing germule, again this mold pressing germule is sent in the baking oven in regular turn, and under an atmospheric atmospheric pressure environment, to the processing of foaming of this mold pressing germule, can need not significantly to change under the situation of existing process conditions, fully with thermoplastic elastomer composite material, under atmospheric pressure state, produce the expanded material of reservation shape.
Not only possess high resiliency and the on-slip characteristic that the ordinary rubber expanded material is had by the made expanded material of method of the present invention, but and have that the prescription that general plastic foam material has is simple and easy concurrently, easy coloring, easy advantage such as secondary operations and environmental protection reclaiming.
Description of drawings
Fig. 1 is the process flow diagram of a preferred embodiment of the present invention.
Fig. 2 is the process flow diagram of another preferred embodiment of the present invention.
The specific embodiment
For making the reader clearer understanding and understanding be arranged, now enumerate specific embodiment and conjunction with figs. is described in detail as follows to purpose of the present invention, invention theory and know-why:
The invention provides a kind of normal pressure continuous foaming production method of thermoplastic elastomer composite material; this method is to utilize the composite of thermoplastic elastomer for base material; mat adds the compounding ingredient of different functions respectively; behind the composition such as blowing agent and bridging agent; use traditional continuous foamed technology of rubber; it is mediated and the slice processing; again with formed lamellar body; send in the baking oven; under normal pressure (i.e. atmospheric pressure) state; the processing of foaming; after waiting to finish foaming; through cooling processing; can produce expanded material of the present invention, this expanded material not only possesses high resiliency and the on-slip characteristic that the ordinary rubber expanded material is had, and it is simple and easy to have the prescription that general plastic foam material has concurrently; easy coloring; easily but secondary operations reaches advantages such as environmental protection reclaiming.
In the present invention, described thermoplastic elastomer is to be base material with polystyrene (styrenicthermoplastic elastomer) material, comprise s-B-S copolymer (Styrene-Butadiene-Styrene, be called for short SBS), styrene-ethylene/butylene-styrene copolymer (Styrene-Ethylene/Butene-Styrene, be called for short SEBS) or styrene-isoprene-styrene copolymer-(Styrene-Isoprene-Styrene, be called for short SIS) etc. material, and in this base material, by predetermined percentage by weight, add other rubber respectively, thermoplastic elastomer or plastic or other material, at last, add the blowing agent of predetermined weight percent again, bridging agent and other compounding ingredient modulate thermoplastic elastomer composite material required for the present invention.
In a preferred embodiment of the present invention, be to adopt traditional continuous foamed mode of one-part form rubber fully, utilize traditional kneading, slice and foam device, follow these steps to (seeing also shown in Figure 1), to the thermoplastic elastomer composite material that is mixed, mediate in regular turn, slice and foaming handle:
(101) at first, the present invention is each composition with described thermoplastic elastomer composite material, respectively by predetermined percentage by weight, insert in a kneader (kneader), muller (roll mill), two roller muller (two-roll mill) or the ten thousand horsepowers of muller devices such as (Banbury mixer), make these compositions under about 90 to 130 ℃ temperature, in described device, evenly mix;
(102) with even mixed thermoplastic elastomer composite material, send into one or three roller slice devices, it is carried out roll extrusion, and control its width and thickness, to form the continuous lamellar body of required width and thickness;
(103) then, should send in the baking oven by continuous lamellar body again, make this baking oven with about 150 to 180 ℃ temperature, under an about atmospheric atmospheric pressure environment, to the processing of foaming of continuous lamellar body, treat behind this baking oven one appropriate time, to decide on the size and the thickness of continuous lamellar body, generally need 10 to 30 minutes approximately, can will finish the continuous lamellar body of foaming and send baking oven;
(104) last, again the continuous lamellar body of finishing foaming is cooled off, and batch with wheel shaft, promptly produce the continuous foamed material lamellar body of rolling.
In another preferred embodiment of the present invention, then be to adopt traditional continuous foamed mode of two-period form rubber, utilize traditional kneading, slice and foam device, follow these steps to (seeing also shown in Figure 2), to the thermoplastic elastomer composite material that is mixed, mediate in regular turn, slice and foaming handle:
(201) at first, the present invention is each composition with described thermoplastic elastomer composite material, respectively by predetermined percentage by weight, insert in a kneader (kneader), muller (roll mill), two roller muller (two-roll mill) or the ten thousand horsepowers of muller devices such as (Banbury mixer), make these compositions under about 90 to 130 ℃ temperature, in this device, evenly mix;
(202) with even mixed thermoplastic elastomer composite material, send into a pair of roller slice device, it is carried out roll extrusion, treat that roll extrusion forms the thin slice of desired thickness for several times after, again with automatic cutter, the lamellar body that in regular turn it is cut into appropriate size is standby;
(203) then, press actual needs again, select the lamellar body of right quantity or weight for use, with its storehouse together after, insert in the hot pressing die, make this hot pressing die with about 150 to 180 ℃ temperature about 90 to 250kg/cm
2Pressure under, these storehouses lamellar body is together carried out hot-pressing processing, treat an appropriate time after, decide on mould size and thickness, generally need 5 to 15 minutes approximately, promptly obtain required mold pressing germule;
(204) afterwards, with resulting mold pressing germule, send in regular turn in the baking oven, make this baking oven with about 150 to 180 ℃ of temperature, under an about atmospheric atmospheric pressure environment, to the processing of foaming of described mold pressing germule, after treating an appropriate time, size on the mold pressing germule is decided, and generally needs 10 to 30 minutes approximately, can will finish the mold pressing germule of foaming and send baking oven;
(205) last, again the mold pressing germule of finishing foaming is carried out cooling processing, can produce expanded material with a reservation shape.
In previous embodiment of the present invention, the composite of described thermoplastic elastomer comprises following each composition, wherein said polymeric main material=polystyrene thermoplastic elastomer+other macromolecular material; The addition of other composition serves as to calculate benchmark with the gross weight % that accounts for the polymeric main material then.
(1) polystyrene thermoplastic elastomer: this composition is the base material of described composite, the percentage that accounts for polymeric main material gross weight is about 50% to 100%, can be SBS, SEBS, SIS or styrene-ethylene-propylene-styrene copolymer materials such as (Styrene Ethylene Propylene Styrene are called for short SEPS).
(2) CBA: the percentage that this composition accounts for polymeric main material gross weight is about 1% to 15%, can be azo class CBA, or physical foaming agent such as saleratus power.
(3) bridging agent: the percentage that this composition accounts for polymeric main material gross weight is about 0.1% to 1%, can be diisopropylbenzyl peroxide (dicumyl peroxide), 2,5-t-butylperoxy-2,5-dimethylhexane (2,5-(tert-butylperoxide)-2,5-dimethylhexane) or material such as sulphur.
The present invention utilizes the aforementioned component composition, and respectively according to aforementioned fabrication schedule, under atmospheric pressure environment, produces the composite foam material of thermoplastic elastomer continuously, and this expanded material the experiment proved that to possess following advantage really:
(1) the present invention can continuous foamed manufacturing technology of rubber and device, significantly changes under the situation of its process conditions need not fully, produces not contain PVC and have rubber concurrently and the brand-new expanded material of plastic foam material characteristics.
(2) the produced expanded material of the present invention not only possesses excellent elasticity and on-slip, and the characteristic of its easy coloring, no vulcanized rubber peculiar smell and easy recycling, has effectively increased the diversity of this expanded material on using.
(3) expanded material of the present invention is in the back segment procedure owing to possess excellent secondary workability, can be thereon easily machine-shaping go out complicated shape or pattern, extremely be fit to be applied on the product that need carry out designs such as embossing, transfer printing and applying.
In addition, the present invention is when actual applying, described composite is not limited to aforementioned composition, also can according to function, the characteristic desiring to reach, or actual demand, in the composite of this thermoplastic elastomer, select to add following ingredients, under atmospheric pressure environment, produce thermoplastic elastomer expanded material of the present invention continuously:
(1) other macromolecular material: this composition accounts for the percentage about 0% to 50% of polymeric main material gross weight, can be SB (Styrene Butadiene Rubber, abbreviation SBR), polystyrene (Polystyrene, abbreviation PS), EVA, low density polyethylene (LDPE) (Low DensityPolyethylene, be called for short LDPE) or ethylene propylene diene rubber (Ethylene Propylene TerpolymerRubber, be called for short EPDM) etc. macromolecular material, use the material characteristic that changes expanded material, make it can satisfy actual demand.
(2) function compounding ingredient: it is about 0% to 50% that this composition accounts for the percentage of polymeric main material gross weight, can be antistatic additive, fire retardant, reinforcing agent etc., to promote the physical characteristic of expanded material.
(3) blowing promotor: it is about 0% to 3% that this composition accounts for the percentage of polymeric main material gross weight, can be zinc oxide, urea etc., uses the effect and the speed that promote foaming.
(4) other additive: these compositions comprise the materials such as processing oil, stearic acid or zinc stearate as processing aid, or, can use material characteristic that changes expanded material or the visual effect that is presented as the materials such as colorant, calcium carbonate and wood chip of extender.
The above is the preferred embodiments of the present invention only, and the interest field that the present invention advocated is not limited thereto; all those of ordinary skill in the art; according to the disclosed technology contents of the present invention, can think easily and equivalence change, all should belong to protection category of the present invention.
Claims (23)
1, a kind of normal pressure continuous foaming production method of thermoplastic elastomer composite material, be to utilize to comprise the composite of the polymeric main material of thermoplastic elastomer for base material, through adding the function compounding ingredient respectively, behind blowing agent and the bridging agent composition, with continuous foamed technology of traditional rubber and device, composite to this thermoplastic elastomer, mediate and the slice processing, behind the continuous lamellar body to be formed, should send in the baking oven by continuous lamellar body again, the processing of under atmospheric pressure state, foaming, after finishing foaming,, produce the expanded material lamellar body continuously again through cooling processing.
2, the method for claim 1, wherein said thermoplastic elastomer is selected from the styrenic material, be s-B-S polymer, styrene-ethylene/butylene-styrene polymer, styrene-isoprene-phenylethene or styrene-ethylene-propylene-styrene polymeric material, its percentage by weight is 50% to 100% of a polymeric main material.
3, method as claimed in claim 2, wherein said thermoplastic elastomer composite material also comprises macromolecular material polystyrene-poly butadiene polymer, polystyrene, ethylene-vinyl acetate copolymer, low density polyethylene (LDPE) or ethylene propylene diene monomer (EPDM) material, and its percentage by weight is 0% to 50% of a polymeric main material.
4, method as claimed in claim 2, each composition of wherein said thermoplastic elastomer composite material by predetermined percentage by weight, is inserted in the conventional apparatus respectively, make each composition under 90 to 130 ℃ temperature, in device, handle and evenly mixing through mediating and mixing.
5, method as claimed in claim 4, wherein said baking oven are the temperature with 150 to 180 ℃, under atmospheric pressure state, to the processing of foaming of described continuous lamellar body, can produce required expanded material.
6, method as claimed in claim 2, wherein said blowing agent are azo class CBA or saleratus power, and its addition is 1% to 15% of a polymeric main material gross weight.
7, method as claimed in claim 6, wherein said bridging agent are diisopropylbenzyl peroxide, 2,5-t-butylperoxy-2, and 5-dimethylhexane or sulphur, its addition are 0.1% to 1% of polymeric main material gross weight.
8, method as claimed in claim 7, wherein said thermoplastic elastomer composite material also comprises blowing promotor, and this blowing promotor is zinc oxide or urea, and its addition is 0% to 3% of a polymeric main material gross weight.
9, method as claimed in claim 7, wherein said thermoplastic elastomer composite material also comprises as the stearic acid of processing aid or zinc stearate.
10, method as claimed in claim 7, wherein said thermoplastic elastomer composite material also comprise colorant, calcium carbonate and the wood chip as extender.
11, method as claimed in claim 7, wherein said thermoplastic elastomer composite material also comprises the function compounding ingredient, this function compounding ingredient is antistatic additive, fire retardant and/or reinforcing agent, and its addition is 0% to 50% of a polymeric main material gross weight.
12, a kind of normal pressure continuous foaming production method of thermoplastic elastomer composite material, be to utilize to comprise the composite of the macromolecular material of thermoplastic elastomer for base material, through adding the function compounding ingredient respectively, behind blowing agent and the bridging agent composition, with continuous foamed technology of traditional rubber and device, composite to this thermoplastic elastomer, mediate and the slice processing, and it is standby that formed lamellar body is cut into appropriate size, again according to actual needs, with described lamellar body storehouse in a hot pressing die, carry out hot-pressing processing, after waiting to obtain required mold pressing germule, again this mold pressing germule is sent in the baking oven in regular turn, and under atmospheric pressure state, to the processing of foaming of this mold pressing germule, produce the expanded material of reservation shape.
13, method as claimed in claim 12, wherein said thermoplastic elastomer is selected from the styrenic material, be s-B-S copolymer, styrene-ethylene/butylene-styrene copolymer, styrene-isoprene-phenylethene or styrene-ethylene-propylene-styrene copolymer material, its percentage by weight is 50% to 100% of a polymeric main material.
14, method as claimed in claim 13, each composition of wherein said thermoplastic elastomer composite material by predetermined percentage by weight, is inserted in the conventional apparatus respectively, make each composition under 90 to 130 ℃ temperature, in device, handle and evenly mixing through mediating and mixing.
15, method as claimed in claim 14, each composition of wherein said thermoplastic elastomer composite material after evenly mixing, is admitted to a pair of roller slice device, after rolling the thin slice that forms desired thickness, it is standby in regular turn it to be cut into the lamellar body of appropriate size with automatic cutter again.
16, method as claimed in claim 15 wherein can be chosen the lamellar body of suitable weight according to actual needs, with its storehouse together after, insert in the hot pressing die, make this hot pressing die with 150 to 180 ℃ temperature, 90 to 250kg/cm
2Pressure under, storehouse lamellar body is together carried out hot-pressing processing, promptly produce required mold pressing germule.
17, method as claimed in claim 12, wherein said blowing agent are azo class CBA or saleratus power, and its addition is 1% to 15% of a polymeric main material gross weight.
18, method as claimed in claim 17, wherein said bridging agent are diisopropylbenzyl peroxide, 2,5-t-butylperoxy-2, and 5-dimethylhexane or sulphur, its addition are 0.1% to 1% of polymeric main material gross weight.
19, method as claimed in claim 18, wherein said thermoplastic elastomer composite material also comprises other macromolecular material, this macromolecular material is SB, polystyrene, ethene-vinyl acetate co-polymer, low density polyethylene (LDPE) or ethylene propylene diene rubber, and its percentage by weight is 0% to 50% of a polymeric main material.
20, method as claimed in claim 18, wherein said thermoplastic elastomer composite material also comprises blowing promotor, and this blowing promotor is zinc oxide or urea, and its addition is 0% to 3% of a polymeric main material gross weight.
21, method as claimed in claim 18, wherein said thermoplastic elastomer composite material also comprises as the stearic acid of processing aid or zinc stearate.
22, method as claimed in claim 18, wherein said thermoplastic elastomer composite material also comprise colorant, calcium carbonate and the wood chip as extender.
23, method as claimed in claim 18, wherein said thermoplastic elastomer composite material also comprises the function compounding ingredient, this function compounding ingredient is antistatic additive, fire retardant and/or reinforcing agent, and its addition is 0% to 50% of a polymeric main material gross weight.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004101012888A CN100430202C (en) | 2004-12-15 | 2004-12-15 | Normal pressure continuous foaming production method for heat-plastic elastomer composite material |
| HK06111642.3A HK1090884A1 (en) | 2004-12-15 | 2006-10-23 | A method for manufacturing thermoplastic elastomer composites under normal pressure by a continuous foaming processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004101012888A CN100430202C (en) | 2004-12-15 | 2004-12-15 | Normal pressure continuous foaming production method for heat-plastic elastomer composite material |
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| CN1788973A CN1788973A (en) | 2006-06-21 |
| CN100430202C true CN100430202C (en) | 2008-11-05 |
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| TWI566944B (en) * | 2014-04-23 | 2017-01-21 | Continuous solid material printing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102816406A (en) * | 2012-09-04 | 2012-12-12 | 苏州伟伦运动休闲用品有限公司 | High-elasticity midsole and production method thereof |
| CN103122099A (en) * | 2013-03-09 | 2013-05-29 | 晋江市五里艇源鞋塑有限公司 | Sawdust-containing beach slipper material and preparation method thereof |
| CN106147107B (en) * | 2015-04-01 | 2020-09-04 | 李永腾 | Multilayer thermoplastic elastomer foam material and manufacturing method thereof |
| TWI659833B (en) | 2015-04-01 | 2019-05-21 | 李永騰 | Multi-layered thermoplastic elastomer foam and process for manufacturing the same |
| JP6542412B1 (en) * | 2018-02-28 | 2019-07-10 | 住友化学株式会社 | Rubber sponge and foamable rubber composition |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107485A (en) * | 1994-02-28 | 1995-08-30 | 创新工业技术移转股份有限公司 | Porous air- and water-permeable rubber composition and process for preparing same |
| US5609703A (en) * | 1988-09-22 | 1997-03-11 | Mitsui Petrochemical Industries, Ltd. | Process for preparing thermoplastic elastomer laminates |
| WO2004005381A2 (en) * | 2002-07-06 | 2004-01-15 | Polymer 5 | Process for preparing an expanded thermoplastic material using a deliver foaming agent concentrate |
| CN1544523A (en) * | 2003-11-20 | 2004-11-10 | 福建宏玮鞋塑有限公司 | Thermoplastic elastomeric foaming material and its preparation method |
-
2004
- 2004-12-15 CN CNB2004101012888A patent/CN100430202C/en not_active Expired - Fee Related
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5609703A (en) * | 1988-09-22 | 1997-03-11 | Mitsui Petrochemical Industries, Ltd. | Process for preparing thermoplastic elastomer laminates |
| CN1107485A (en) * | 1994-02-28 | 1995-08-30 | 创新工业技术移转股份有限公司 | Porous air- and water-permeable rubber composition and process for preparing same |
| WO2004005381A2 (en) * | 2002-07-06 | 2004-01-15 | Polymer 5 | Process for preparing an expanded thermoplastic material using a deliver foaming agent concentrate |
| CN1544523A (en) * | 2003-11-20 | 2004-11-10 | 福建宏玮鞋塑有限公司 | Thermoplastic elastomeric foaming material and its preparation method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI566944B (en) * | 2014-04-23 | 2017-01-21 | Continuous solid material printing method |
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| CN1788973A (en) | 2006-06-21 |
| HK1090884A1 (en) | 2007-01-05 |
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