초록

A process for preparing novel interpolymers from mixtures of a bicyclic amide acetal, an oxazoline and a polyisocyanate and the novel polymers produced are described.

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1. The process for preparing a tough, high-softening polymer comprising interpolymerizing a bicyclic amide acetal, an oxazoline and a polyisocyanate at a temperature in the range of from about room temperature up to about 200° C. and at a pressure in the range of from about atmospheric up to about 1

1. The process for preparing a tough, high-softening polymer comprising interpolymerizing a bicyclic amide acetal, an oxazoline and a polyisocyanate at a temperature in the range of from about room temperature up to about 200° C. and at a pressure in the range of from about atmospheric up to about 100 atmospheres. 2. The process of claim 1 wherein the bicyclic amide acetal is one having the formula ##STR## Wherein R,R' and R"' independently represent hydrogen or an alkyl group having from 1 to 18 carbon atoms, R"' also represents an alkyl ether, an aryl ether or an alkaryl ether group having from 1 to 18 carbon atoms and R" represents an alkyl group having from 1 to 18 carbon atoms or an alkyl group having from 7 to 20 carbon atoms. 3. The process of claim 2 wherein the oxazoline has the Formula I or II ##STR## Wherein R and R' independently represent hydrogen or an alkyl group having from 1 to 18 carbon atoms and A represents an alkylene group having from 1 to 20 carbon atoms. 4. The polymer produced by the process of claim 1. 5. The process of claim 3 wherein the polyisocyanate is 4,4'-methylene bis(phenyl isocyanate). 6. The process of claim 3 wherein the bicyclic amide acetal is one of Formula III wherein R, R' and R"' are hydrogen and R" is methyl. 7. The process of claim 3 wherein the bicyclic amide acetal is one of Formula III wherein R and R' are hydrogen, R" is ethyl and R"' is CH 2 OCH 2 CH=CH 3 . 8. The process of claim 3 wherein the bicyclic amide acetal is one of Formula III wherein R is methyl, R' is hydrogen, R" is C 11 H 23 and R"' is CH 2 OC 4 H 9 . 9. The process of claim 3 wherein the oxazoline is one of Formula I in which R is hydrogen and R' is C 10 H 21 . 10. The process of claim 3 wherein the oxazoline is one of Formula I in which R is hydrogen and R' is CH 3 . 11. The process of claim 3 wherein the oxazoline is one of Formula II wherein R is hydrogen and A is (CH 2 ) 10 . 12. The process of claim 3 wherein the oxazoline is undecyl-4,4-dimethyl-2-oxazoline. 13. The process of claim 3 wherein the oxazoline is 2-heptadecyl-4,4-dimethyl-2-oxazoline. 14. The process of claim 3 wherein the oxazoline is 2-heptyl-4,4-dimethyl-2-oxazoline. 15. The process of claim 3 wherein the oxazoline is 2-(5-hydroxypentyl)-4,4-dimethyl-2-oxazoline. of claim 3 wherein the oxazoline. 16. The process of claim 3 wherein the oxazoline is 2-ethyl-2-oxazoline. 17. The process of claim 3 wherein the oxazoline is [2,2'-tetramethylene bis-(4,4-dimethyl-2-oxazoline)]. 18. The process of claim 3 wherein the oxazoline is 2-(5-hydroxy pentyl)-4-ethyl-4-hydroxyethyl-2-oxazoline. 19. The process of claim 3 wherein the oxazoline is one resulting from reaction of oleic acid and 2-amino-2-ethyl-1,3-propane diol.