Claims
- 1. A cured or uncured linear aromatic polyester composition melt-blended and composed of
- (A) 100 parts by weight of a saturated linear aromatic polyester in which at least 70 mole% of the acid component consists of an aromatic dicarboxylic acid, and
- (B) 0.1 to 50 parts by weight of a reactive compound which is solid at room temperature or is a liquid having a boiling point of at least 200.degree. C. under atmospheric pressure, and which contains in its molecule at least one aliphatic unsaturated group substantially non-reactive with the polyester (A) and the aliphatic unsaturated group of the reactive compound (B) under conditions of melt-blending with the polyester (A) and at least one epoxy group reactive with the polyester (A) under the melt-blending conditions.
- 2. The composition of claim 1 wherein the non-reactive aliphatic unsaturated group of the reactive compound (B) is a group expressed by the following formula ##STR20## wherein R.sub.1, R.sub.2 and R.sub.3 are identical or different, and each represent a group selected from the class consisting of a hydrogen atom and alkyl groups with 1 to 6 carbon atoms,
- and the epoxy group of the reactive compound (B) is a group expressed by the following formula ##STR21## wherein bonds (f) to (h) are bonded to hydrogen atoms or alkyl groups with 1 to 6 carbon atoms, and bond (i) or bonds (i) and (g) are organic moieties including general formula (II).
- 3. The composition of claim 1 wherein the reactive compound (B) is a compound of the formula
- {(AQ.sub.1).sub.m X}.sub.n q{Y(Q.sub.2 B).sub.m' }.sub.n' (IV)
- wherein
- A represents a group of the formula ##STR22## wherein R.sub.1, R.sub.2 and R.sub.3 are identical or different, and each represent a group selected from the class consisting of a hydrogen atom and alkyl groups with 1 to 6 carbon atoms;
- B represents an epoxy group of the formula ##STR23## in which bonds (f) to (h) are bonded to hydrogen atoms or alkyl groups with 1 to 6 carbon atoms, and bond (i) or bonds (i) and (g) are organic moieties including general formula (II),
- X represents a direct bond, --O--, ##STR24## in which R.sub.4 represents a hydrogen atom, an alkyl group containing 1 to 6 carbon atoms, or AQ.sub.1 --; Y represents a direct bond, --O--, or --NH--; Q represents an organic group having a valence of 2 to 4; Q.sub.1 and Q.sub.2 represent a direct bond or an organic group having a valence of 2 to 4; and n, m, n' and m' are positive integers.
- 4. The composition of claim 3 wherein the reactive compound (B) is a cyanuric or isocyanuric acid derivative corresponding to general formula (IV) in which X and Y represent a direct bond; Q represents ##STR25## in which R.sub.5 and R.sub.5 ' represent an alkyl group, AQ.sub.1 --, or BQ.sub.2 --; Q.sub.1 and Q.sub.2 represent a direct bond or an alkylene group with 1 to 5 carbon atoms, and each of n, m, n' and m' is 1.
- 5. The composition of claim 3 wherein the reactive compound (B) is an imide or amide compound corresponding to general formula (IV) wherein X is ##STR26## Q represents an aliphatic group having a valence of 2 to 4 and containing 2 to 20 carbon atoms, an alicyclic group having a valence of 2 to 4 and containing 4 to 12 carbon atoms, a group having a valence of 2 to 4 and comprising ##STR27## (in which R.sub.6 represents a hydrogen atom, an aryl group with 6 to 12 carbon atoms, an alkyl group with 1 to 6 carbon atoms, an alkyloxy group with 1 to 6 carbon atoms, a nitro group or a halogen atom), a group having a valence of 2 to 4 and comprising ##STR28## (in which R.sub.6 is as defined above), or a group having a valence of 2 to 4 and comprising ##STR29## (in which Y' represents a member of the group consisting of --O--, --CO--, --SO.sub.2 --, --NR.sub.6 '--, R.sub.6 ' being a hydrogen atom or an alkyl group with 1 to 6 carbon atoms, --O(CH.sub.2 CH.sub.2).sub.l O--, l being an integer of 1 to 3, and alkylene groups with 2 to 12 carbon atoms); and Q.sub.1 and Q.sub.2 represent a direct bond or an alkylene group having 1 to 5 carbon atoms.
- 6. The composition of claim 1 wherein the linear aromatic polyester (A) has an intrinsic viscosity, as measured in o-chlorophenol at 35.degree. C., of at least 0.4.
- 7. The composition of claim 1 in which the aliphatic unsaturated group of the reactive compound (B) is an allyl, methallyl or crotyl group.
- 8. The composition of claim 1 wherein the epoxy group of the reactive compound (B) is a glycidyl, 2,3-epoxy-2-methylpropyl, or 2,3-epoxy butyl group.
- 9. The composition of claim 7 wherein the epoxy group of the reactive compound (B) is a glycidyl, 2,3-epoxy-2-methylpropyl, or 2,3-epoxy butyl group.
- 10. The composition in claim 2 in which the non-reactive aliphatic unsaturated group of formula (II) is an allyl group and the epoxy group of formula (III) is a glycidyl group.
Priority Claims (3)
Number |
Date |
Country |
Kind |
52/79445 |
Jul 1977 |
JPX |
|
53/41326 |
Apr 1978 |
JPX |
|
53/420262 |
Apr 1978 |
JPX |
|
Parent Case Info
This is a division of application Ser. No. 920,834 filed June 30, 1978, now U.S. Pat. No. 4,196,066.
US Referenced Citations (13)
Foreign Referenced Citations (2)
Number |
Date |
Country |
2745906 |
Apr 1978 |
DEX |
48-78256 |
Oct 1973 |
JPX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
920834 |
Jun 1978 |
|