IT1004018B - Preparazione di poliammidi - Google Patents
Preparazione di poliammidiInfo
- Publication number
- IT1004018B IT1004018B IT51276/73A IT5127673A IT1004018B IT 1004018 B IT1004018 B IT 1004018B IT 51276/73 A IT51276/73 A IT 51276/73A IT 5127673 A IT5127673 A IT 5127673A IT 1004018 B IT1004018 B IT 1004018B
- Authority
- IT
- Italy
- Prior art keywords
- polyamides
- preparation
- Prior art date
Links
- 239000004952 Polyamide Substances 0.000 title 1
- 229920002647 polyamide Polymers 0.000 title 1
Classifications
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/28—Preparatory processes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00269339A US3847876A (en) | 1972-07-06 | 1972-07-06 | Preparation of polyamides by polymerization of a dinitrile,a diamine and water in the presence of controlled amounts of ammonia |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1004018B true IT1004018B (it) | 1976-07-10 |
Family
ID=23026834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51276/73A IT1004018B (it) | 1972-07-06 | 1973-07-05 | Preparazione di poliammidi |
Country Status (8)
Country | Link |
---|---|
US (1) | US3847876A (it) |
JP (1) | JPS5215120B2 (it) |
BE (1) | BE801836A (it) |
DE (1) | DE2334486C2 (it) |
FR (1) | FR2192135B1 (it) |
GB (1) | GB1443164A (it) |
IT (1) | IT1004018B (it) |
NL (1) | NL156729B (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4380623A (en) * | 1981-04-03 | 1983-04-19 | Standard Oil Company | Preparation of polyamide from dinitrile, diamine, water, and CO2 catalyst |
CA1186444A (en) * | 1981-05-18 | 1985-04-30 | Hansdieter Hofmann | Method for producing spinnable polyamides, etc. |
US4436898A (en) | 1982-04-20 | 1984-03-13 | Davy Mckee Aktiengesellschaft, Borsigalle | Preparation of spinnable polyamide from dinitrile, diamine, H2 O with P containing catalyst |
US4501881A (en) * | 1982-04-05 | 1985-02-26 | The Standard Oil Company | Preparation of polyamide by contacting diamine, dinitrile, water, dicarboxylic acid |
US4520190A (en) * | 1982-11-08 | 1985-05-28 | The Standard Oil Company | Preparation of polyamide from dinitrile, diamine and water with P catalyst |
US4490521A (en) * | 1983-10-11 | 1984-12-25 | The Standard Oil Company | Preparation of spinnable polyamide from dinitrile/diamine/water with metal salt of oxygenated phosphorus compound catalyst |
JPS61205221A (ja) * | 1985-03-08 | 1986-09-11 | Univ Osaka | ニトリルとアミンからのアミドの製造方法 |
US6075117A (en) * | 1998-12-21 | 2000-06-13 | E.I. Dupont De Nemours & Company | Process for the hydrolysis of adiponitrile and the production of nylon 6,6 using dicarboxylic acids as the sole catalyst |
US6084056A (en) * | 1998-12-22 | 2000-07-04 | E. I. Dupont De Nemours & Company | Process for the hydrolysis of adiponitrile and the production of nylon 6,6 utilizing low catalyst levels |
US6103863A (en) * | 1998-12-22 | 2000-08-15 | E. I. Dupont De Nemours & Company | Process for preparation of polyamide from dinitrile and diamine |
US6509439B1 (en) | 2000-04-14 | 2003-01-21 | E. I. Du Pont De Nemours And Company | Process for the production of polyamides from dinitriles and diamines |
US6472501B1 (en) | 2001-06-01 | 2002-10-29 | E. I. Du Pont De Nemours And Company | Process for making nylon 6,6 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2245129A (en) * | 1935-01-02 | 1941-06-10 | Du Pont | Process for preparing linear polyamides |
FR870257A (fr) * | 1938-12-07 | 1942-03-06 | Ig Farbenindustrie Ag | Procédé de préparation de polyamides linéaires |
-
1972
- 1972-07-06 US US00269339A patent/US3847876A/en not_active Expired - Lifetime
-
1973
- 1973-06-29 NL NL7309077.A patent/NL156729B/xx not_active IP Right Cessation
- 1973-07-03 BE BE133055A patent/BE801836A/xx unknown
- 1973-07-05 IT IT51276/73A patent/IT1004018B/it active
- 1973-07-05 FR FR7324687A patent/FR2192135B1/fr not_active Expired
- 1973-07-06 DE DE2334486A patent/DE2334486C2/de not_active Expired
- 1973-07-06 GB GB3239073A patent/GB1443164A/en not_active Expired
- 1973-07-06 JP JP48077031A patent/JPS5215120B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3847876A (en) | 1974-11-12 |
FR2192135B1 (it) | 1979-10-05 |
NL7309077A (it) | 1974-01-08 |
DE2334486C2 (de) | 1983-11-03 |
FR2192135A1 (it) | 1974-02-08 |
BE801836A (fr) | 1974-01-03 |
JPS5215120B2 (it) | 1977-04-26 |
JPS4952900A (it) | 1974-05-22 |
GB1443164A (en) | 1976-07-21 |
DE2334486A1 (de) | 1974-01-24 |
NL156729B (nl) | 1978-05-16 |
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