CA1277468C - Process for the preparation of polyvinyl alcohol articles of high strength and modules - Google Patents
Process for the preparation of polyvinyl alcohol articles of high strength and modulesInfo
- Publication number
- CA1277468C CA1277468C CA000516449A CA516449A CA1277468C CA 1277468 C CA1277468 C CA 1277468C CA 000516449 A CA000516449 A CA 000516449A CA 516449 A CA516449 A CA 516449A CA 1277468 C CA1277468 C CA 1277468C
- Authority
- CA
- Canada
- Prior art keywords
- solvent
- polyvinyl alcohol
- article
- temperature
- process according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004372 Polyvinyl alcohol Substances 0.000 title claims abstract description 49
- 229920002451 polyvinyl alcohol Polymers 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000008569 process Effects 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims description 11
- 239000002904 solvent Substances 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000000605 extraction Methods 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 16
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001879 gelation Methods 0.000 claims abstract description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000002576 ketones Chemical class 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 12
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000004090 dissolution Methods 0.000 claims description 8
- 238000000354 decomposition reaction Methods 0.000 claims description 6
- 229960001760 dimethyl sulfoxide Drugs 0.000 claims description 6
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 5
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000009477 glass transition Effects 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 239000011877 solvent mixture Substances 0.000 claims description 2
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical group [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 claims 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 37
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 15
- 229920000642 polymer Polymers 0.000 description 8
- 238000009987 spinning Methods 0.000 description 7
- -1 polyethylene Polymers 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004705 High-molecular-weight polyethylene Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- RXKJFZQQPQGTFL-UHFFFAOYSA-N dihydroxyacetone Chemical compound OCC(=O)CO RXKJFZQQPQGTFL-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000003450 growing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/14—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
-
- 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
- B29K2029/00—Use of polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals or derivatives thereof 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
- B29K2105/0058—Liquid or visquous
- B29K2105/0061—Gel or sol
-
- 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
- C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Artificial Filaments (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8502315A NL8502315A (nl) | 1985-08-23 | 1985-08-23 | Voorwerpen uit polyvinylalcohol met hoge sterkte en modulus, alsmede werkwijze voor het vervaardigen hiervan. |
| NL8502315 | 1985-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1277468C true CA1277468C (en) | 1990-12-11 |
Family
ID=19846453
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000516449A Expired - Lifetime CA1277468C (en) | 1985-08-23 | 1986-08-21 | Process for the preparation of polyvinyl alcohol articles of high strength and modules |
| CA000516456A Expired - Lifetime CA1277469C (en) | 1985-08-23 | 1986-08-21 | Process for the preparation of polyvinyl alcohol articles of high strength and modulus |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000516456A Expired - Lifetime CA1277469C (en) | 1985-08-23 | 1986-08-21 | Process for the preparation of polyvinyl alcohol articles of high strength and modulus |
Country Status (13)
| Country | Link |
|---|---|
| US (2) | US4810450A (show.php) |
| EP (2) | EP0216407B1 (show.php) |
| JP (2) | JPS6290309A (show.php) |
| KR (2) | KR880001262B1 (show.php) |
| AT (2) | ATE48447T1 (show.php) |
| AU (1) | AU589437B2 (show.php) |
| BR (2) | BR8603999A (show.php) |
| CA (2) | CA1277468C (show.php) |
| DE (2) | DE3667307D1 (show.php) |
| ES (2) | ES2001560A6 (show.php) |
| IN (2) | IN167843B (show.php) |
| NL (1) | NL8502315A (show.php) |
| ZA (2) | ZA866385B (show.php) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63165509A (ja) * | 1986-12-27 | 1988-07-08 | Unitika Ltd | 高結晶融解エネルギ−ポリビニルアルコ−ル繊維及びその製造法 |
| DE3889256T2 (de) * | 1987-07-03 | 1994-08-11 | Unitika Ltd | Polarisierende Folie und Verfahren zur Herstellung derselben. |
| JP2588579B2 (ja) * | 1988-04-21 | 1997-03-05 | 株式会社クラレ | 耐熱水性にすぐれたポリビニルアルコール系繊維およびその製造法 |
| JPH0627366B2 (ja) * | 1988-06-02 | 1994-04-13 | 東レ株式会社 | ポリビニルアルコール系繊維、該繊維からなるタイヤコード並びにそれらの製造法 |
| JPH0295249A (ja) * | 1988-09-30 | 1990-04-06 | Toray Ind Inc | 応答性素子およびその製法 |
| JPH02145809A (ja) * | 1988-11-16 | 1990-06-05 | Toray Ind Inc | 極細ゲル繊維およびその製法 |
| US4851168A (en) * | 1988-12-28 | 1989-07-25 | Dow Corning Corporation | Novel polyvinyl alcohol compositions and products prepared therefrom |
| JPH0326526A (ja) * | 1989-06-26 | 1991-02-05 | Shin Etsu Chem Co Ltd | ポリビニルアルコール成形品の製造方法 |
| JP2539754Y2 (ja) * | 1991-08-12 | 1997-06-25 | プロクター・アンド・ギャンブル・ファー・イースト・インク | 箱型詰替容器 |
| US5238634A (en) * | 1992-01-07 | 1993-08-24 | Exxon Chemical Patents Inc. | Disentangled chain telechelic polymers |
| US5661217A (en) * | 1994-08-05 | 1997-08-26 | Isolyser Company, Inc. | Method of manufacturing monolithic structures from polyvinyl alcohol |
| JPH1035466A (ja) * | 1996-07-23 | 1998-02-10 | Toyota Motor Corp | ブレーキ液圧制御装置 |
| TWI522373B (zh) * | 2015-01-27 | 2016-02-21 | 長春石油化學股份有限公司 | 聚乙烯醇及其純化方法 |
| TR201909816A2 (tr) * | 2019-07-01 | 2019-07-22 | Veritas Tekstil Konfeksiyon Pazarlama San Ve Tic A S | Yüksek mukavemet ve elasti̇ki̇yete sahi̇p poli̇vi̇ni̇lalkol fi̇lament li̇f üreti̇m yöntemi̇ |
| CN110643056B (zh) * | 2019-10-12 | 2022-05-24 | 爱美客技术发展股份有限公司 | 高强度聚乙烯醇凝胶及其制备方法与应用 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3066999A (en) * | 1958-08-19 | 1962-12-04 | Kurashiki Rayon Co | Polyvinyl alcohol fiber and method of making the same |
| GB1314000A (en) * | 1970-06-27 | 1973-04-18 | Unitika Ltd | Polyvinyl alcohol synthetic fibres |
| NL177759B (nl) * | 1979-06-27 | 1985-06-17 | Stamicarbon | Werkwijze ter vervaardiging van een polyetheendraad, en de aldus verkregen polyetheendraad. |
| NL177840C (nl) * | 1979-02-08 | 1989-10-16 | Stamicarbon | Werkwijze voor het vervaardigen van een polyetheendraad. |
| US4440711A (en) * | 1982-09-30 | 1984-04-03 | Allied Corporation | Method of preparing high strength and modulus polyvinyl alcohol fibers |
| DE3475085D1 (en) * | 1983-12-12 | 1988-12-15 | Toray Industries | Ultra-high-tenacity polyvinyl alcohol fiber and process for producing same |
-
1985
- 1985-08-23 NL NL8502315A patent/NL8502315A/nl not_active Application Discontinuation
-
1986
- 1986-08-05 IN IN629/MAS/86A patent/IN167843B/en unknown
- 1986-08-05 IN IN630/MAS/86A patent/IN167804B/en unknown
- 1986-08-19 EP EP86201437A patent/EP0216407B1/en not_active Expired
- 1986-08-19 DE DE8686201437T patent/DE3667307D1/de not_active Expired - Lifetime
- 1986-08-19 DE DE8686201436T patent/DE3667306D1/de not_active Expired - Lifetime
- 1986-08-19 AT AT86201437T patent/ATE48447T1/de not_active IP Right Cessation
- 1986-08-19 AT AT86201436T patent/ATE48446T1/de not_active IP Right Cessation
- 1986-08-19 EP EP86201436A patent/EP0212757B1/en not_active Expired
- 1986-08-20 AU AU61654/86A patent/AU589437B2/en not_active Ceased
- 1986-08-21 CA CA000516449A patent/CA1277468C/en not_active Expired - Lifetime
- 1986-08-21 KR KR1019860006910A patent/KR880001262B1/ko not_active Expired
- 1986-08-21 CA CA000516456A patent/CA1277469C/en not_active Expired - Lifetime
- 1986-08-21 JP JP61197003A patent/JPS6290309A/ja active Pending
- 1986-08-21 JP JP61197002A patent/JPS6290308A/ja active Pending
- 1986-08-21 KR KR1019860006909A patent/KR880001261B1/ko not_active Expired
- 1986-08-22 ZA ZA866385A patent/ZA866385B/xx unknown
- 1986-08-22 BR BR8603999A patent/BR8603999A/pt unknown
- 1986-08-22 ZA ZA866386A patent/ZA866386B/xx unknown
- 1986-08-22 BR BR8603998A patent/BR8603998A/pt not_active IP Right Cessation
- 1986-08-22 ES ES8601273A patent/ES2001560A6/es not_active Expired
- 1986-08-22 ES ES8601272A patent/ES2001255A6/es not_active Expired
-
1987
- 1987-10-08 US US07/105,543 patent/US4810450A/en not_active Expired - Fee Related
- 1987-10-13 US US07/106,592 patent/US4812277A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR880001262B1 (ko) | 1988-07-16 |
| IN167804B (show.php) | 1990-12-22 |
| DE3667307D1 (de) | 1990-01-11 |
| KR880001261B1 (ko) | 1988-07-16 |
| US4812277A (en) | 1989-03-14 |
| AU6165486A (en) | 1987-02-26 |
| ES2001255A6 (es) | 1988-05-01 |
| EP0212757A1 (en) | 1987-03-04 |
| AU589437B2 (en) | 1989-10-12 |
| JPS6290309A (ja) | 1987-04-24 |
| ZA866386B (en) | 1987-04-29 |
| IN167843B (show.php) | 1990-12-29 |
| CA1277469C (en) | 1990-12-11 |
| EP0216407A1 (en) | 1987-04-01 |
| NL8502315A (nl) | 1987-03-16 |
| ES2001560A6 (es) | 1988-06-01 |
| KR870002301A (ko) | 1987-03-30 |
| EP0212757B1 (en) | 1989-12-06 |
| EP0216407B1 (en) | 1989-12-06 |
| AU6165386A (en) | 1987-02-26 |
| BR8603999A (pt) | 1987-04-07 |
| BR8603998A (pt) | 1987-04-07 |
| KR870002302A (ko) | 1987-03-30 |
| ATE48446T1 (de) | 1989-12-15 |
| DE3667306D1 (de) | 1990-01-11 |
| ZA866385B (en) | 1987-04-29 |
| AU589436B2 (en) | 1989-10-12 |
| JPS6290308A (ja) | 1987-04-24 |
| US4810450A (en) | 1989-03-07 |
| ATE48447T1 (de) | 1989-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1277468C (en) | Process for the preparation of polyvinyl alcohol articles of high strength and modules | |
| CN1021463C (zh) | 制备高强度和高模量聚乙烯醇纤维的方法 | |
| US3878284A (en) | Processes for making shaped articles such as filaments or films from solutions of polyglycolic acid | |
| CA1052064A (en) | Extrusion of polyacrylonitrile into pressurized zone with water into filaments | |
| DE1100275B (de) | Verfahren zur Verbesserung der mechanischen und der Verarbeitungseigenschaften von isotaktischem Polypropylen | |
| FI93865C (fi) | Sulakehrätty luja polyeteenikuitu | |
| Hoogsteen et al. | Gel-spun polyethylene fibres: Part 2 Influence of polymer concentration and molecular weight distribution on morphology and properties | |
| US2842532A (en) | Process of reducing the viscosity of polymers | |
| US2360406A (en) | Manufacture of artificial filaments, films, and like materials | |
| KR870000415B1 (ko) | 높은 인장 강도와 높은 모듈러스를 갖는 폴리아크릴로 니트릴물건의 제조방법 | |
| US2706674A (en) | Melt spinning polyacrylonitriles | |
| US4658004A (en) | Polyacrylonitrile fiber with high strength and high modulus of elasticity | |
| EP0272717B1 (en) | Objects from ethylene vinyl alcohol copolymers having a high strength and modulus as well as a process for the preparation thereof | |
| US3451140A (en) | Production of acrylic synthetic fibers | |
| US3329754A (en) | Preparation of stereoregular polyvinyl alcohol shaped articles | |
| US2924502A (en) | Wet-spinning of polyester fibers | |
| JP3021944B2 (ja) | 強度の優れたポリビニルアルコール系繊維の製法 | |
| US2924501A (en) | Wet-spinning of polyester fibers | |
| US3094502A (en) | Process for preparing filaments from acrylonitrile polymer-containing compositions | |
| JPH07238416A (ja) | 高強度ポリエチレン繊維の製造方法 | |
| US4301106A (en) | Spinning process for nylon 4 fiber | |
| US3238283A (en) | Methods of producing shaped products of polyvinyl alcohol | |
| NL8602745A (nl) | Werkwijze voor het vervaardigen van polyethyleenvoorwerpen met hoge treksterkte en modulus. | |
| JPH0457769B2 (show.php) | ||
| Rudin et al. | New process for ultradrawn polyethylene structures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |