GB963320A - Improvements in melt spun polyamide filaments - Google Patents
Improvements in melt spun polyamide filamentsInfo
- Publication number
- GB963320A GB963320A GB3968362A GB3968362A GB963320A GB 963320 A GB963320 A GB 963320A GB 3968362 A GB3968362 A GB 3968362A GB 3968362 A GB3968362 A GB 3968362A GB 963320 A GB963320 A GB 963320A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polyamide
- polyether
- ether
- melt
- mixed
- 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
Links
- 239000004952 Polyamide Substances 0.000 title abstract 12
- 229920002647 polyamide Polymers 0.000 title abstract 12
- -1 poly (alkylene ether Chemical compound 0.000 abstract 11
- 229920000570 polyether Polymers 0.000 abstract 11
- 239000004721 Polyphenylene oxide Substances 0.000 abstract 8
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 6
- 238000002074 melt spinning Methods 0.000 abstract 3
- 229920000642 polymer Polymers 0.000 abstract 3
- 239000004698 Polyethylene Substances 0.000 abstract 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 125000001033 ether group Chemical group 0.000 abstract 2
- 239000000835 fiber Substances 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 2
- 229920000573 polyethylene Polymers 0.000 abstract 2
- 238000006116 polymerization reaction Methods 0.000 abstract 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 abstract 1
- UFFRSDWQMJYQNE-UHFFFAOYSA-N 6-azaniumylhexylazanium;hexanedioate Chemical compound [NH3+]CCCCCC[NH3+].[O-]C(=O)CCCCC([O-])=O UFFRSDWQMJYQNE-UHFFFAOYSA-N 0.000 abstract 1
- 229930185605 Bisphenol Natural products 0.000 abstract 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 1
- 239000005977 Ethylene Substances 0.000 abstract 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 abstract 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 150000001408 amides Chemical class 0.000 abstract 1
- 125000003710 aryl alkyl group Chemical group 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000007859 condensation product Substances 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 abstract 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 abstract 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 abstract 1
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- 125000001624 naphthyl group Chemical group 0.000 abstract 1
- 229920001778 nylon Polymers 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
- 229920002994 synthetic fiber Polymers 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/60—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing polyethers
- D06P1/613—Polyethers without nitrogen
- D06P1/6138—Polymerisation products of glycols, e.g. Carbowax, Pluronics
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/08—Bread-toasters
-
- 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
- C08G63/668—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/672—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
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
-
- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
-
- 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
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
-
- 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
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Food Science & Technology (AREA)
- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14642461A | 1961-10-20 | 1961-10-20 | |
| US17776162A | 1962-03-06 | 1962-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB963320A true GB963320A (en) | 1964-07-08 |
Family
ID=26843884
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3968362A Expired GB963320A (en) | 1961-10-20 | 1962-10-19 | Improvements in melt spun polyamide filaments |
| GB3968262A Expired GB1016562A (en) | 1961-10-20 | 1962-10-19 | Improvements relating to bulky polyamide yarn |
| GB3968462A Expired GB956833A (en) | 1961-10-20 | 1962-10-19 | Improvements in oriented melt span polyester filaments |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3968262A Expired GB1016562A (en) | 1961-10-20 | 1962-10-19 | Improvements relating to bulky polyamide yarn |
| GB3968462A Expired GB956833A (en) | 1961-10-20 | 1962-10-19 | Improvements in oriented melt span polyester filaments |
Country Status (7)
| Country | Link |
|---|---|
| BE (2) | BE623763A (OSRAM) |
| CH (2) | CH406513A (OSRAM) |
| DE (3) | DE1273124B (OSRAM) |
| FR (3) | FR1338628A (OSRAM) |
| GB (3) | GB963320A (OSRAM) |
| LU (1) | LU42563A1 (OSRAM) |
| NL (3) | NL284525A (OSRAM) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3374288A (en) * | 1965-09-03 | 1968-03-19 | Du Pont | Polycarbonamide filaments containing polyalkylene oxide, sodium phenyl phosphinate and sodium aminoalkylphosphinate |
| US3384681A (en) * | 1964-12-02 | 1968-05-21 | Asahi Chemical Ind | Block copolymer prepared from amine terminated polyalkylene glycols and polyamides or polyureas |
| US3405211A (en) * | 1964-03-16 | 1968-10-08 | Du Pont | Method for producing quality yarn from gel-containing polyamide |
| US3418200A (en) * | 1964-11-27 | 1968-12-24 | Du Pont | Splittable composite filament |
| DE1595029A1 (de) * | 1964-12-31 | 1970-03-26 | Monsanto Co | Faserbildende synthetische lineare Polycarbonamide und Verfahren zu deren Herstellung |
| US3530201A (en) * | 1966-12-06 | 1970-09-22 | Uniroyal Inc | Dyeable polyolefins containing thermoplastic nitrogen containing polymers and polyethylene oxide |
| US4337331A (en) | 1980-01-31 | 1982-06-29 | Imperial Chemical Industries Limited | Conductive polymers, fibers made therefrom and process for manufacture |
| EP0147237A3 (en) * | 1983-12-29 | 1987-03-25 | E.I. Du Pont De Nemours And Company | Polyamide fiber |
| WO2008121629A1 (en) * | 2007-03-29 | 2008-10-09 | Invista Technologies S.A.R.L. | Wash resistant synthetic polymer compositions containing active compounds |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1070613A (en) * | 1965-06-10 | 1967-06-01 | Ici Ltd | Polyester fibres of improved dyeability |
| US3381057A (en) * | 1966-05-02 | 1968-04-30 | Nitto Boseki Company Ltd | Crimped polyester filaments |
| US3410927A (en) * | 1966-06-20 | 1968-11-12 | Monsanto Co | Polyester filaments containing polyethylene glycol esters |
| US3493633A (en) * | 1968-08-13 | 1970-02-03 | Du Pont | Production of dyed polyamide filaments containing a phenolic antioxidant |
| SE392299B (sv) * | 1971-08-24 | 1977-03-21 | Du Pont | Forfarande och medel for framstellning av garn med dragen och snodd textur |
| JPS554854B2 (OSRAM) * | 1972-08-30 | 1980-02-01 | ||
| EP0080274B1 (en) * | 1981-11-23 | 1986-05-14 | Imperial Chemical Industries Plc | Process of melt spinning of a blend of a fibre-forming polymer and an immiscible polymer and melt spun fibres produced by such process |
| KR870001132B1 (ko) * | 1983-04-14 | 1987-06-09 | 도오요오 보오세끼 가부시끼가이샤 | 제전성섬유 및 그 제조방법 |
| US4975233A (en) * | 1988-12-09 | 1990-12-04 | Hoechst Celanese Corporation | Method of producing an enhanced polyester copolymer fiber |
| GB9004048D0 (en) * | 1990-02-22 | 1990-04-18 | Ici Plc | Improvements in/or relating to nylon yarn |
| KR940005836A (ko) * | 1992-05-14 | 1994-03-22 | 히로시 이따가끼 | 심색성이 우수한 폴리에스테르섬유 및 그의 제조방법 |
| EP1538245A1 (en) * | 1997-10-14 | 2005-06-08 | Interface, Inc. | Floor covering with woven face |
| DE19956730B4 (de) * | 1999-11-25 | 2006-02-09 | Saehan Industries Inc. | Verfahren zur Herstellung von Polyesterfasern mit hervorragendem Wasserabsorptionsvermögen |
| CN110387597B (zh) * | 2019-06-19 | 2021-10-26 | 东华大学 | 一种基于一步法牵伸工艺的高强尼龙6长丝及其制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB830442A (en) * | 1955-06-30 | 1960-03-16 | Du Pont | Improvements in or relating to the production of shaped articles, particularly filaments, of synthetic polymers by melt extrusion processes |
| NL88764C (OSRAM) * | 1955-07-22 | |||
| US2993025A (en) * | 1956-07-26 | 1961-07-18 | Du Pont | Polyoxymethylene compositions stabilized with a synthetic superpolyamide |
| AT213057B (de) * | 1958-05-05 | 1961-01-25 | Du Pont | Plastische Masse bzw. daraus hergestellte Produkte, wie Filme, Fasern, Fäden |
-
1962
- 1962-10-18 DE DE1962P0030394 patent/DE1273124B/de active Pending
- 1962-10-18 BE BE623763A patent/BE623763A/xx unknown
- 1962-10-18 DE DE1962P0030393 patent/DE1288239B/de active Pending
- 1962-10-18 BE BE623762A patent/BE623762A/xx unknown
- 1962-10-18 DE DEP30395A patent/DE1228025B/de active Pending
- 1962-10-19 FR FR912809A patent/FR1338628A/fr not_active Expired
- 1962-10-19 CH CH1228362A patent/CH406513A/de unknown
- 1962-10-19 FR FR912810A patent/FR1345027A/fr not_active Expired
- 1962-10-19 GB GB3968362A patent/GB963320A/en not_active Expired
- 1962-10-19 GB GB3968262A patent/GB1016562A/en not_active Expired
- 1962-10-19 FR FR912811A patent/FR1338629A/fr not_active Expired
- 1962-10-19 CH CH1228262A patent/CH459455A/de unknown
- 1962-10-19 GB GB3968462A patent/GB956833A/en not_active Expired
- 1962-10-19 NL NL284525D patent/NL284525A/xx unknown
- 1962-10-19 NL NL284524D patent/NL284524A/xx unknown
- 1962-10-19 NL NL284523D patent/NL284523A/xx unknown
- 1962-10-20 LU LU42563D patent/LU42563A1/xx unknown
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3405211A (en) * | 1964-03-16 | 1968-10-08 | Du Pont | Method for producing quality yarn from gel-containing polyamide |
| US3418200A (en) * | 1964-11-27 | 1968-12-24 | Du Pont | Splittable composite filament |
| US3384681A (en) * | 1964-12-02 | 1968-05-21 | Asahi Chemical Ind | Block copolymer prepared from amine terminated polyalkylene glycols and polyamides or polyureas |
| DE1595029A1 (de) * | 1964-12-31 | 1970-03-26 | Monsanto Co | Faserbildende synthetische lineare Polycarbonamide und Verfahren zu deren Herstellung |
| US3374288A (en) * | 1965-09-03 | 1968-03-19 | Du Pont | Polycarbonamide filaments containing polyalkylene oxide, sodium phenyl phosphinate and sodium aminoalkylphosphinate |
| US3530201A (en) * | 1966-12-06 | 1970-09-22 | Uniroyal Inc | Dyeable polyolefins containing thermoplastic nitrogen containing polymers and polyethylene oxide |
| US4337331A (en) | 1980-01-31 | 1982-06-29 | Imperial Chemical Industries Limited | Conductive polymers, fibers made therefrom and process for manufacture |
| EP0147237A3 (en) * | 1983-12-29 | 1987-03-25 | E.I. Du Pont De Nemours And Company | Polyamide fiber |
| WO2008121629A1 (en) * | 2007-03-29 | 2008-10-09 | Invista Technologies S.A.R.L. | Wash resistant synthetic polymer compositions containing active compounds |
| EP2436729A1 (en) * | 2007-03-29 | 2012-04-04 | INVISTA Technologies S.à.r.l. | Wash resistant synthetic polymer compositions containing active compounds |
Also Published As
| Publication number | Publication date |
|---|---|
| LU42563A1 (OSRAM) | 1964-04-20 |
| FR1345027A (fr) | 1963-12-06 |
| BE623763A (OSRAM) | 1963-04-18 |
| NL284524A (OSRAM) | 1965-01-25 |
| DE1273124B (de) | 1968-07-18 |
| FR1338628A (fr) | 1963-09-27 |
| CH459455A (de) | 1968-07-15 |
| BE623762A (OSRAM) | 1963-04-18 |
| GB956833A (en) | 1964-04-29 |
| DE1228025B (de) | 1966-11-03 |
| NL284523A (OSRAM) | 1965-01-25 |
| CH406513A (de) | 1966-01-31 |
| FR1338629A (fr) | 1963-09-27 |
| NL284525A (OSRAM) | 1965-01-25 |
| DE1288239B (de) | 1969-01-30 |
| GB1016562A (en) | 1966-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB963320A (en) | Improvements in melt spun polyamide filaments | |
| US2547113A (en) | Production of poly-ester-amides | |
| US3369057A (en) | Polyamide-polyester dispersions wherein the polyamide is less than 40% amine terminated | |
| CA1052932A (en) | Impact resistant polymer mixtures | |
| BR9101856A (pt) | Fibra de um polimero alternante de monoxido de carbono e etileno e processo para a fabricacao de uma fibra de elevada resistencia a tracao e elevado modulo | |
| ES524503A0 (es) | Procedimiento de obtencion de composiciones de polimeros termoplasticos reforzadas con fibra | |
| GB1001358A (en) | Improvements in or relating to stabilization of polyacetals | |
| US20040087734A1 (en) | Polyamide compositions with improved antistatic and hydrophilic properties | |
| US3398074A (en) | Method of manufacturing improved polyoxymethylene graft copolymers using radiation | |
| KR102117742B1 (ko) | 열가소성 수지 조성물 및 이로부터 형성된 성형품 | |
| BR112022024283A2 (pt) | Materiais não tecidos e fibras, incluindo materiais poliméricos à base de amido | |
| GB2205841A (en) | Acetal resin compositions | |
| EP0501625B1 (en) | Reinforcing agents for thermoplastic resins | |
| EP0060579B1 (en) | Use of polyamide moulding compounds in processes for injection moulding objects of high impact strength | |
| RU2704185C2 (ru) | Термопластичная композиция с высокой текучестью | |
| SE444178B (sv) | Forfarande for framstellning av en segmentpolyamid | |
| US11761121B2 (en) | Method for producing polyacetal fiber | |
| US3336428A (en) | Formation of wet spun fibers | |
| EP3653766B1 (en) | Method for manufacturing polyacetal fiber | |
| RU2737262C2 (ru) | Термопластичная полиэфиримидная композиция с базальтовым волокном | |
| EP0513304B1 (en) | Composition of an ethylene/carbon monoxide copolymer | |
| US3231543A (en) | Process for the formation of shaped trioxane structures and polymerization thereof | |
| US3154512A (en) | Terephthalamide polyemer in solvent comprising antimony trichloride and acetic or formic acid | |
| US3322824A (en) | Compositions containing a polytereph-thalamide and a hydrocarbon-substituted sulfonicacid, and process utilizing the same in making shaped articles | |
| US3542722A (en) | Glass-reinforced copolymers of trioxane and process for making them |