ES447354A1 - Process for the manufacture of crystalline crosslinked elastomeric epoxide resins - Google Patents
Process for the manufacture of crystalline crosslinked elastomeric epoxide resinsInfo
- Publication number
- ES447354A1 ES447354A1 ES447354A ES447354A ES447354A1 ES 447354 A1 ES447354 A1 ES 447354A1 ES 447354 A ES447354 A ES 447354A ES 447354 A ES447354 A ES 447354A ES 447354 A1 ES447354 A1 ES 447354A1
- Authority
- ES
- Spain
- Prior art keywords
- atoms
- chain
- polyester
- radicals
- equivalents
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Epoxy Resins (AREA)
- Polyesters Or Polycarbonates (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Process for the preparation of crosslinked, crystalline, elastomeric epoxy resins, characterized by reacting epoxy compounds provided with two or more epoxy groups with polyester-polycarboxylic acids a, which essentially contain segments of formula I - [0- (CH2) n-0 - CO- (CH2) m-CO] -p (I) in which n and m are the same or different, they mean 2 or a number greater than 2 and for them the condition that n + m = 6 to 30 and p means a number worth 2 to 40, but so large that the segment contains at least 30 -CH2 groups, and with polyesterpolycarboxylic acids B, which contain - [o-r1-o - co-r2-co] q, (II) in which R1 and R2 are the same or different and signify an alkylene radical with 2 C atoms at least in the chain, per bridge of 0 there are on average at least 3.5 and at most 30 C atoms without taking into account the C atoms of the radicals -C0 - 0 in the chain, the radicals R1 and R2 together contain at least one alkyl, cycloalkyl or aryl group as a substituent for an H atom, or a ring-forming alkylene group as a substituent for two H atoms in a chain and q means a value number of 2 to 40, but so large that the segment contains at least 30 C atoms regardless of the C atoms of the radicals -C0 - 0 in the chain, and optionally, with hardeners C, optionally in the presence of accelerators, in such a quantitative relation that for 1 equivalent of epoxide compound, 0.5 to 1.2 equivalents of polyester polycarboxylic acid enter, that 1/10 to 9/10 of these 0, 5 to 1.2 equivalents correspond to polyester polyol carboxylic acid A and the remaining 9/10 to 1/10 correspond to polyester polycarboxylic acid B and that for 1 equivalent of epoxide compound up to 0/6 equivalents of hardener C enter, provided that in cases where only difunctional epoxy compounds and difunctional polyester polycarboxylic acids A and B are used, the epoxy groups must be in excess and reaction with a hardener C is necessary. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH544375A CH595405A5 (en) | 1975-04-28 | 1975-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES447354A1 true ES447354A1 (en) | 1977-07-01 |
Family
ID=4293663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES447354A Expired ES447354A1 (en) | 1975-04-28 | 1976-04-27 | Process for the manufacture of crystalline crosslinked elastomeric epoxide resins |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5942686B2 (en) |
| CA (1) | CA1091377A (en) |
| CH (1) | CH595405A5 (en) |
| DE (1) | DE2618107A1 (en) |
| ES (1) | ES447354A1 (en) |
| FR (1) | FR2309578A1 (en) |
| GB (1) | GB1538534A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0042356A1 (en) * | 1980-06-13 | 1981-12-23 | Ciba-Geigy Ag | Use of partially crystalline polymers as insulating material for cryogenic applications |
| WO2022201985A1 (en) * | 2021-03-23 | 2022-09-29 | 三菱ケミカル株式会社 | Modified epoxy resin, manufacturing method therefor, curable resin composition, cured product thereof, coating material, and adhesive agent |
-
1975
- 1975-04-28 CH CH544375A patent/CH595405A5/xx not_active IP Right Cessation
-
1976
- 1976-04-26 CA CA251,053A patent/CA1091377A/en not_active Expired
- 1976-04-26 DE DE19762618107 patent/DE2618107A1/en not_active Withdrawn
- 1976-04-27 FR FR7612379A patent/FR2309578A1/en active Granted
- 1976-04-27 GB GB1693576A patent/GB1538534A/en not_active Expired
- 1976-04-27 ES ES447354A patent/ES447354A1/en not_active Expired
- 1976-04-28 JP JP4933476A patent/JPS5942686B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5942686B2 (en) | 1984-10-17 |
| FR2309578A1 (en) | 1976-11-26 |
| FR2309578B1 (en) | 1979-04-20 |
| JPS51131599A (en) | 1976-11-16 |
| CH595405A5 (en) | 1978-02-15 |
| CA1091377A (en) | 1980-12-09 |
| DE2618107A1 (en) | 1976-11-11 |
| GB1538534A (en) | 1979-01-24 |
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