Process for the preparation of nylon block polymers
AssigneeDM Rim Nylon Vof
InventorsJames D. Gabbert, Albert Y. Garner, Ross M. Hedrick
Life of this patent
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Abstract
A process for preparing a nylon block copolymer which comprises bringing into reactive contact lactam monomer, basic lactam polymerization catalyst and a composition containing one or more lactam functional materials selected from the group represented by the formula: ##STR1## wherein, Q is ##STR2## with Y=C.sub.3 -C.sub.11 alkylene; b is an integer equal to 2 or more; R.sub.1 is an alkyl, aryl, aralkyl, alkyloxy, halogen, aryloxy, or aralkyloxy group; Z is a segment of: (1) a polyether, provided said polyether is not solely polyarylene polyether; (2) a polyester containing polyether or polymeric hydrocarbon segments (3) a hydrocarbon; (4) a polysiloxane; or (5) combinations thereof.
Claims82
A process for preparing a nylon block copolymer which comprises bringing together and reacting lactam monomer, basic lactam polymerization catalyst and a lactam functional material of the formula:
- ##STR18## wherein:
- Q is ##STR19## with Y equal to C.sub.3 -C.sub.11 alkylene;
- b is an integer equal to 2 or more;
- R.sub.1 is an alkyl, aryl, aralkyl, halogen alkyloxy, aryloxy, or aralkyloxy group;
- Z is a segment of:
- (1) a polyether, provided said polyether is not solely polyarylene polyether;
- (2) a polyester containing polyether or polymeric hydrocarbon segments;
- (3) a hydrocarbon;
- (4) a polysiloxane;
- or (5) mixtures thereof.
A process for preparing a nylon block copolymer which comprises bringing together and reacting lactam monomer, basic lactam polymerization catalyst and a composition comprising the reaction products of lactam monomer and acid halide functional materials selected from the group represented by the formula:
- ##STR20## wherein:
- X is a halide;
- b is an integer equal to 2 or more;
- R.sub.1 is an alkyl, aryl, aralkyl, alkyloxy, aryloxy, aralkyloxy, or halogen group;
- and
- Z is a segment of:
- (1) a polyether having a minimum molecular weight of about 2000;
- (2) a polyester containing polyether segments having minimum molecular weights of about 2000;
- (3) a polyester containing polymeric hydrocarbon segments having minimum molecular weights of about 500 to about 4,000;
- (4) a hydrocarbon;
- (5) a polysiloxane;
- or (5) combinations thereof,
- wherein said composition is essentially free of basic lactam polymerization catalyst or residue thereof.
A process for preparing a nylon block copolymer which comprises bringing together and reacting lactam monomer, basic lactam polymerization catalyst and a composition containing one or more lactam functional materials selected from the group represented by the formula:
- ##STR21## wherein;
- Q is ##STR22## with Y equal to C.sub.3 -C.sub.11 alkylene;
- b is an integer equal to 2 or more;
- R.sub.1 is an alkyl, aryl, aralkyl, alkyloxy, aryloxy, or aralkyloxy group;
- and
- Z is a segment of:
- (1) a polyether;
- (2) a polyester containing polyether or polymeric hydrocarbon segments;
- (3) a hydrocarbon;
- (4) a polysiloxane;
- or (5) combinations thereof,
- wherein said composition is essentially free of basic lactam polymerization catalyst or residue thereof.
A process for preparing a nylon block copolymer which comprises bringing together and reacting lactam monomer, basic lactam polymerization catalyst and a composition containing one or more lactam functional materials selected from the group represented by the formula:
- ##STR23## wherein, Q is ##STR24## with Y equal to C.sub.3 -C.sub.11 alkylene;
- b is an integer equal to 2 or more;
- R.sub.1 is an alkyl, aryl, aralkyl, alkyloxy, aryloxy, or aralkyloxy group;
- and
- Z is a segment of:
- (1) a polyether provided said polyether is not solely polyarylene polyether;
- (2) a polyester containing polyether or polymeric hydrocarbon segments;
- (3) a hydrocarbon;
- (4) a polysiloxane;
- or (5) combinations thereof,
- the materials being substantially the only lactam functional materials in said composition.
A process for preparing a nylon block copolymer which comprises bringing together and reacting lactam monomer, basic lactam polymerization catalyst and a lactam functional material of the formula:
- ##STR25## wherein:
- Q is ##STR26## with Y equal to C.sub.3 -C.sub.11 alkylene;
- b is an integer equal to 2 or more;
- R.sub.1 is an alkyl, aryl, aralkyl, halogen alkyloxy, aryloxy, or aralkyloxy group;
- Z is a segment of:
- (1) a polyether having a minimum molecular weight of about 2000;
- or (2) a polyester containing polyether segments having minimum molecular weights of about 2000.
Dependencies are inferred from the claim text.