GB975303A - A process for the production of polyurethane polymers - Google Patents
A process for the production of polyurethane polymersInfo
- Publication number
- GB975303A GB975303A GB1130563A GB1130563A GB975303A GB 975303 A GB975303 A GB 975303A GB 1130563 A GB1130563 A GB 1130563A GB 1130563 A GB1130563 A GB 1130563A GB 975303 A GB975303 A GB 975303A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diol
- hexane
- added
- butane
- heated
- 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
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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/83—Chemically modified polymers
- C08G18/85—Chemically modified polymers by azo compounds
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/83—Chemically modified polymers
- C08G18/86—Chemically modified polymers by peroxides
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Polyurethanes by reacting an organic polyisocyanate with a hydroxyl group containing polyester obtained by reacting adipic acid with a mixture of glycols containing 60-75% by weight of hexane 1, 6 diol and a total of from 25-40% by weight of one or both of butane 2, 3 diol and 2, 2 dimethyl-propane 1, 3 diol. Chain extenders e.g. water, glycols, diamines, aminoalcohols, hydrazides may be reacted simultaneously with, or after the polyester-isocyanate reaction. Free radical forming substances may be added to the polymer and heated to at least 130 DEG C. to vulcanize. Many organic diisocyanates are specified and also many suitable chain extending agents. Free radical forming substances mentioned are dicumyl peroxide, tertiary butyl dicumyl peroxide, 2, 5 di (tertiary butyl-peroxy)-2, 5 dimethyl hexane and azoisobutyric acid dinitrile which are preferably used in amount 0.5-10% by weight. A thermoplastic product is obtained by using an NCO to OH ratio within the range 0.9 to 1.2. Fillers and pigments e.g. carbon black, SiO2, TiO2 and glass fibres may be added. In example (1) butane 1, 4 diol was added to a dehydrated polyester obtained from adipic acid, hexane 1, 6 diol and butane 2, 3 diol, followed by diphenylmethane 4,41 diisocyanate and the mixture stirred at 130 DEG C. and heated for 24 hours at 100 DEG C. To the product was added carbon black, stearic acid, and dicumyl peroxide and heated to 151 DEG C. to vulcanize. Example (2) used 2, 2 dimethyl propane 1, 3 diol and hexane 1, 6 diol in the preparation of the polyester.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEF36342A DE1152535B (en) | 1962-03-22 | 1962-03-22 | Process for the production of elastomers containing urethane groups |
Publications (1)
Publication Number | Publication Date |
---|---|
GB975303A true GB975303A (en) | 1964-11-11 |
Family
ID=7096404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1130563A Expired GB975303A (en) | 1962-03-22 | 1963-03-21 | A process for the production of polyurethane polymers |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1152535B (en) |
GB (1) | GB975303A (en) |
IT (1) | IT689667B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0017060A1 (en) * | 1979-03-19 | 1980-10-15 | BASF Aktiengesellschaft | Process for preparing polyurethane elastomers |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1083305A (en) * | 1963-11-19 | 1967-09-13 | Goodyear Tire & Rubber | Polyurethane elastomers and process |
DE1264047B (en) * | 1965-12-04 | 1968-03-21 | Basf Ag | Process for producing elastomers containing urethane groups |
DE2435863C3 (en) * | 1974-07-25 | 1983-02-24 | Dynamit Nobel Ag, 5210 Troisdorf | Linear, saturated, semi-crystalline copolyesters |
DE3139967A1 (en) * | 1981-10-08 | 1983-04-28 | Bayer Ag, 5090 Leverkusen | NEW MIXTURES OF NCO PREPOLYMERS HAVING TERTIAL NITROGEN WITH AUXILIARIES AND ADDITIVES, AND THEIR USE AS ADHESIVE OR. COATING AGENTS |
DE19506251A1 (en) * | 1995-02-23 | 1996-08-29 | Bayer Ag | Peroxidic and sulfur vulcanizable polyurethanes |
EP1213311B1 (en) * | 2000-12-05 | 2005-05-18 | Hokushin Corporation | Oil-resistant elastomer member |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2953539A (en) * | 1957-11-04 | 1960-09-20 | Gen Tire & Rubber Co | Composition comprising a rubbery reaction product of an organic polyisocyanate and adihydroxy terminated polyester |
-
1962
- 1962-03-22 DE DEF36342A patent/DE1152535B/en active Pending
-
1963
- 1963-03-20 IT IT689667D patent/IT689667B/en active
- 1963-03-21 GB GB1130563A patent/GB975303A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0017060A1 (en) * | 1979-03-19 | 1980-10-15 | BASF Aktiengesellschaft | Process for preparing polyurethane elastomers |
Also Published As
Publication number | Publication date |
---|---|
DE1152535B (en) | 1963-08-08 |
IT689667B (en) | 1965-04-08 |
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