KR870004093A - 폴리에테르 에스테르 탄성중합체 조성물 - Google Patents
폴리에테르 에스테르 탄성중합체 조성물 Download PDFInfo
- Publication number
- KR870004093A KR870004093A KR860009012A KR860009012A KR870004093A KR 870004093 A KR870004093 A KR 870004093A KR 860009012 A KR860009012 A KR 860009012A KR 860009012 A KR860009012 A KR 860009012A KR 870004093 A KR870004093 A KR 870004093A
- Authority
- KR
- South Korea
- Prior art keywords
- melt
- weight
- composition
- mixture
- elastic polymer
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims 10
- 229920001971 elastomer Polymers 0.000 title claims 5
- 239000000806 elastomer Substances 0.000 title claims 5
- 239000004721 Polyphenylene oxide Substances 0.000 title 1
- 150000002148 esters Chemical class 0.000 title 1
- 229920000570 polyether Polymers 0.000 title 1
- 229920000642 polymer Polymers 0.000 claims 6
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims 4
- 238000000034 method Methods 0.000 claims 4
- 239000010408 film Substances 0.000 claims 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical group OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims 2
- 238000010791 quenching Methods 0.000 claims 2
- 239000010409 thin film Substances 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000002981 blocking agent Substances 0.000 claims 1
- 238000001125 extrusion Methods 0.000 claims 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 239000012803 melt mixture Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 claims 1
- 239000000454 talc Substances 0.000 claims 1
- 229910052623 talc Inorganic materials 0.000 claims 1
Classifications
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/66—Polyesters containing oxygen in the form of ether groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
- C08L67/025—Polyesters derived from dicarboxylic acids and dihydroxy compounds containing polyether sequences
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2021/00—Use of unspecified rubbers as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/16—Fillers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4871—Underwear
- B29L2031/4878—Diapers, napkins
-
- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
- C08L2666/14—Macromolecular compounds according to C08L59/00 - C08L87/00; Derivatives thereof
- C08L2666/18—Polyesters or polycarbonates according to C08L67/00 - C08L69/00; Derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Polyesters Or Polycarbonates (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (9)
- 제1탄성 중합체는 총양이 혼합물의 75 내지 85중량%이고 제1탄성 중합체의 20 내지 25중량%에 달하는 경질 세그먼트(segment) 및 분자량 1,800 내지 3,000의 연질 세그먼트를 가지고, 제2탄성중합체는 총양이 혼합물의 25 내지 15중량%이고 제2탄성 중합체의 40 내지 55중량%에 달하는 경질 세그먼트 및 분자량 850 내지 2,000의 연질 세그먼트를 가지며, 혼합물은 용융흡열량이 120 내지 215℃이고 용융피크가 150 내지 170℃임을 특징으로 하는 폴리에테르에스테르 탄성중합체들 [각 탄성 중합체는 폴리(테트라메틸렌에테르)글리콜, 1,4-부탄디올 및 페닐렌 디카복실산 또는 이의 유도체로부터 제조된 경질 및 연질 세그먼트로 이루어진다]의 용융 혼합물로부터 생성된 개선된 탄성중합체 조성물.
- 제1항에 있어서, 무기 하블록킹제의 미세분할입자를 탄성중합체 혼합물의 3 내지 8중량%의 양으로 혼입시킨 조성물.
- 제2항에 있어서, 항블록킹제가 탈크인 조성물.
- 제1항 또는 2항에 있어서, 페닐렌 디카복실산이 테레프탈산 또는 이의 유도체인 조성물.
- 제4항에 있어서, 테레프탈산 또는 이의 유도체의 30%를 이소프탈산 또는 이의 유도체로 대체한 조성물.
- 항블록킹제를 제2탄성 중합체에 혼합하고, 생성된 혼합 탄성 중합체를 제1탄성 중합체와 용융혼합하고, 용융-혼합된 탄성 중합체를 180 내지 220℃에서 슬로트 오리피스(slot orifice)사이로 용융 압출시켜 얇은 필름을 생성시키고, 얇은 필름을 50℃이하로 급냉시킨후 급냉된 필름을 인락율(引落率)이 12 내지 40이 되도록 하는 속도로 전진시키는 단계로 이루어짐을 특징으로하여, 제2항의 조성물로부터 탄성필름을 제조하는 방법.
- 제6항에 있어서, 수욕에 침지시킴으로써 급냉시키고 공극(이의 길이는 3 내지 25mm이다)이 슬로트 오리피스 출구와 수욕 입구 사이에 존재하는 방법.
- 제7항에 있어서, 용융-압출 온도가 190 내지 200℃이고 공극의 길이가 10 내지 15mm이며 인락율이 15 내지 25인 방법.
- 제6항의 방법으로 제조되며 파단강도가 0.4g/dtex 이상이고 파단점 신장율이 400 내지 700%이며, 파우어(power)가 0.035g/dtex 이상이고 경화율이 15%미만인 두께 0.02 내지 0.05mm의 필름 스트립.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/792,072 US4731407A (en) | 1985-10-28 | 1985-10-28 | Polyetherester elastomer composition |
US792072 | 1985-10-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR870004093A true KR870004093A (ko) | 1987-05-07 |
Family
ID=25155708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR860009012A KR870004093A (ko) | 1985-10-28 | 1986-10-28 | 폴리에테르 에스테르 탄성중합체 조성물 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4731407A (ko) |
EP (1) | EP0220711A3 (ko) |
JP (1) | JPS62106956A (ko) |
KR (1) | KR870004093A (ko) |
BR (1) | BR8605229A (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0721109B2 (ja) * | 1989-01-30 | 1995-03-08 | 日本ジーイープラスチックス株式会社 | ポリエステルエラストマー組成物 |
US4985536A (en) * | 1990-06-07 | 1991-01-15 | E. I. Du Pont De Nemours And Company | Copolyetherester elastomer with cycloaliphatic hard segments |
US5114998A (en) * | 1990-12-06 | 1992-05-19 | Hoechst Celanese Corp. | Stabilized talc-filled polyester compositions |
US5114997A (en) * | 1990-12-06 | 1992-05-19 | Hoechst Celanese Corp. | Stabilized talc-filled polyester compositions |
US5114995A (en) * | 1990-12-06 | 1992-05-19 | Hoechst Celanese Corp. | Stabilized talc-filled polyester compositions |
US5114996A (en) * | 1990-12-06 | 1992-05-19 | Hoechst Celanese Corp. | Stabilized talc-filled polyester compositions |
US5116937A (en) * | 1991-05-31 | 1992-05-26 | E. I. Du Pont De Nemours And Company | Water-swellable thermoplastic copolyetherester elastomer |
US5260387A (en) * | 1992-01-09 | 1993-11-09 | W. L. Gore & Associates, Inc. | Copolyester elastomer blends |
US6096421A (en) * | 1996-01-11 | 2000-08-01 | E. I. Du Pont De Nemours And Company | Plexifilamentary strand of blended polymers |
BE1010324A3 (nl) * | 1996-06-05 | 1998-06-02 | Dsm Nv | Elastomere copolyethestersamenstelling voor flexibele vetafdichtingen. |
US6593400B1 (en) * | 1999-06-30 | 2003-07-15 | Minerals Technologies Inc. | Talc antiblock compositions and method of preparation |
EP1108753A3 (en) * | 1999-12-14 | 2002-05-02 | Bostik Inc. | Thermoplastic embossing materials and methods |
US8292863B2 (en) | 2009-10-21 | 2012-10-23 | Donoho Christopher D | Disposable diaper with pouches |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1199984B (de) * | 1962-08-25 | 1965-09-02 | Eastman Kodak Co | Verwendung von linearen, gesaettigten Polyestern zum Herstellen duenner Folien |
US3651014A (en) * | 1969-07-18 | 1972-03-21 | Du Pont | Segmented thermoplastic copolyester elastomers |
US3766146A (en) * | 1971-03-18 | 1973-10-16 | Du Pont | Segmented thermoplastic copolyester elastomers |
US3763109A (en) * | 1971-08-19 | 1973-10-02 | Du Pont | Segmented thermoplastic copolyesters |
US3932326A (en) * | 1973-02-20 | 1976-01-13 | E. I. Du Pont De Nemours And Company | Soft thermoplastic segmented copolyesters as pressure sensitive adhesives |
GB1443109A (en) * | 1973-06-30 | 1976-07-21 | Toyo Boseki | Film having excellent slip characterisitcs and its production |
US3917743A (en) * | 1974-03-07 | 1975-11-04 | Du Pont | Copolyetherester blends |
JPS5958051A (ja) * | 1982-09-28 | 1984-04-03 | Teijin Ltd | ポリエ−テルエステルブロツク共重合体組成物 |
JPS59196222A (ja) * | 1983-04-22 | 1984-11-07 | Mitsubishi Heavy Ind Ltd | シ−ト成形装置 |
-
1985
- 1985-10-28 US US06/792,072 patent/US4731407A/en not_active Expired - Fee Related
-
1986
- 1986-10-24 BR BR8605229A patent/BR8605229A/pt unknown
- 1986-10-24 JP JP61252106A patent/JPS62106956A/ja active Pending
- 1986-10-28 EP EP86114936A patent/EP0220711A3/en not_active Withdrawn
- 1986-10-28 KR KR860009012A patent/KR870004093A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPS62106956A (ja) | 1987-05-18 |
EP0220711A2 (en) | 1987-05-06 |
US4731407A (en) | 1988-03-15 |
BR8605229A (pt) | 1987-07-28 |
EP0220711A3 (en) | 1988-07-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR870004093A (ko) | 폴리에테르 에스테르 탄성중합체 조성물 | |
CN109651822B (zh) | 一种高机械性能医用硅橡胶及其制备方法 | |
DE69940328D1 (de) | Witterungsbeständige Blockcopolyestercarbonate, Verfahren zu deren Herstellung und diese enthaltende Polymerlegierungen | |
KR900014472A (ko) | 현장 중합/압출에 의한 열가소성 수지내에서의 중공 유리구의 파괴를 감소시키는 방법 | |
JPS57167414A (en) | Production of polyimide hollow fiber | |
MX168250B (es) | Conjunto de vidrio en hojas, de seguridad | |
EP0004020A1 (de) | Polycarbonat-Formmassen mit verbesserten zähelastischen Eigenschaften | |
FI842767A0 (fi) | Transparent plastfilm med hoeg optisk kvalitet. | |
CN111533980A (zh) | 一种抗拉伸聚乙烯膜的制备方法 | |
US4751132A (en) | Process for making polyetherester elastomer film | |
KR940002320A (ko) | 폴리우레탄 성형물품을 제조하기 위한 경화제 조성물 | |
KR900006351A (ko) | 탄소-규소 결합된 방향족 유기기들을 갖는 유기 폴리실록산류의 산 평형 방법 | |
Chujo | Organic-inorganic molecular hybrids | |
Calleja et al. | Influence of the thermal history on dielectric properties of poly (vinyl chloride) | |
DE2257053B2 (de) | Verfahren zur Herstellung von elastomeren Harzen | |
JPS5659844A (en) | Molding compound and preparation thereof | |
JPS64120A (en) | Polyamic acid composition | |
KR850005893A (ko) | 고무보강용 폴리에스터 섬유의 제조방법 | |
KR910002958A (ko) | 저온 신장성과 열가소성이 있는 엘라스토머 및 이의 제조방법 | |
DE2541351A1 (de) | Polybutylenterephthalat-formmassen mit einem verbreiterten temperaturbereich bei der verarbeitung | |
JPS57141433A (en) | Production of porous molding | |
KR970070070A (ko) | 개선된 유동 성질을 갖는 폴리에스테르 수지 | |
KR940007084A (ko) | 내가수분해성 폴리 에스테르 및 그 제조방법 | |
KR910700302A (ko) | 스킨층 발포체의 제조방법 | |
JPS6462353A (en) | Polymer composition having excellent compatibility |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
G160 | Decision to publish patent application | ||
WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |