Articles with polyurethane resin having memory shape characteristics and method of utilizing same

A porous sheet characterized with a memory shape comprising a polyurethane resin obtained by reacting an organic polyisocyanate with at least one polyol selected from the group consisting of ##STR13## wherein:

• A.sub.3 is ##STR14## and R.sub.1 R.sub.2 are each hydrogen, an alkyl group having 1.about.3 carbon atoms, fluorine, or chlorine;
• A.sub.1 and A.sub.2 are each an alkylene group having 2.about.4 carbon atoms
• m and n are each a positive integer satisfying 2.ltoreq.m+n.ltoreq.10
• o and p are each 0 or a positive integer satisfying 0.ltoreq.o+p.ltoreq.10
• q and r are each 0 or a positive integer satisfying 0.ltoreq.q+r.ltoreq.10
• X is hydrogen, or a methyl group;
• and wherein at least about 15% by weight in the polyurethane resin comprises at least one ring component shown by the following ##STR15## wherein A.sub.3 and X are as defined above.

A paint composition characterized with healable characteristics comprising a polyurethane resin obtained by reacting an aliphatic and/or alicyclic polyisocyanates with at least one polyol selected from the group consisting of;

• ##STR16## wherein:
• A.sub.3 is ##STR17## and R.sub.1, R.sub.2 are each hydrogen, an alkyl group having 1.about.3 carbon atoms, fluorine, or chlorine;
• A.sub.1 and A.sub.2 are each an alkylene group having 2.about.4 carbon atoms
• m and n are each a positive integer satisfying 2.ltoreq.m+n.ltoreq.10
• o and p are each 0 or a positive integer satisfying 0.ltoreq.+p.ltoreq.10
• q and r are each 0 or a positive integer satisfying 0.ltoreq.q+r.ltoreq.10
• X is hydrogen, or a methyl group;
• and wherein at least about 15% by weight in the polyurethane resin comprises at least one ring component shown by the following ##STR18## ##STR19## wherein A.sub.3 and X are as defined above.

A synthetic leather characterized with healable characteristics coated with a polyurethane resin obtained by reacting an organic polyisocyanate with at least one polyol selected from the group consisting of;

• ##STR20## wherein:
• A.sub.3 is ##STR21## and R.sub.1, R.sub.2 are each hydrogen, an alkyl group having 1.about.3 carbon atoms, fluorine, or chlorine;
• A.sub.1 and A.sub.2 are each an alkylene group having 2.about.4 carbon atoms
• m and n are each a positive integer satisfying 2.ltoreq.m+n.ltoreq.10
• o and p are each 0 or a positive integer satisfying 0.ltoreq.o+p.ltoreq.10
• q and r are each 0 or a positive integer satisfying 0.ltoreq.q+r.ltoreq.10
• X is hydrogen, or a methyl group;
• and wherein at least about 15% by weight in the polyurethane resin comprises at least one ring component shown by the following ##STR22## wherein A.sub.3 and X are as defined above.

A thermoset article characterized with a memory shape comprising a polyurethane resin obtained by reacting an organic polyisocyanate with at least one polyol selected from the group consisting of;

• ##STR23## wherein:
• A.sub.3 is ##STR24## and R.sub.1, R.sub.2 are each hydrogen, an alkyl group having 1.about.3 carbon atoms, fluorine, or chlorine;
• A.sub.1 and A.sub.2 are each an alkylene group having 2.about.4 carbon atoms
• m and n are each a positive integer satisfying 2.ltoreq.m+n.ltoreq.10
• o and p are each 0 or a positive integer satisfying 0.ltoreq.o+p.ltoreq.10
• q and r are each 0 or a positive integer satisfying 0.ltoreq.q+r.ltoreq.10
• X is hydrogen, or a methyl group;
• and there being of the polyol(s) at least about80% by equivalent weight in a total reacted polyol(s), and wherein at least about 15% by weight in the polyurethane resin comprises at least one ring component shown by the following ##STR25## wherein A.sub.3 and X are as defined above.

A thermoplastic article characterized with a memory shape, said article having coated with a paint characterized with healable characteristics comprising a polyurethane resin obtained by reacting an aliphatic and/or alicyclic polyisocyanate with at least one polyol selected from the group consisting of;

• ##STR26## wherein:
• A.sub.3 is ##STR27## and R.sub.1, R.sub.2 are each hydrogen, an alkyl group having 1.about.3 carbon atoms, fluorine, or chlorine;
• A.sub.1 and A.sub.2 are each an alkylene group having 2.about.4 carbon-atoms
• m and n are each a positive integer satisfying 2.ltoreq.m+n.ltoreq.10
• o and p are each 0 or a positive integer satisfying 0.ltoreq.o+p.ltoreq.10
• q and r are each 0 or a positive integer satisfying 0.ltoreq.q+r.ltoreq.10
• X is hydrogen, or a methyl group;
• and wherein at least about 15% by weight in the polyurethane resin comprises at least one ring component shown by the following ##STR28## wherein A.sub.3 and X are as defined above.

A thermoset article characterized with a memory shape, said article having coated with a paint characterized with healable characteristics comprising a polyurethane resin obtained by reacting an aliphatic and/or alicyclic polyisocyanate, with at least one polyol selected from the group consisting of;

• ##STR29## wherein:
• A.sub.3 is ##STR30## and R.sub.1, R.sub.2 are each hydrogen, an alkyl group having 1.about.3 carbon atoms, fluorine, or chlorine;
• A.sub.1 and A.sub.2 are each an alkylene group having 2.about.4 carbon atoms
• m and n are each a positive integer satisfying 2.ltoreq.m+n.ltoreq.10
• o and p are each 0 or a positive integer satisfying 0.ltoreq.o+p.ltoreq.10
• q and r are each 0 or a positive integer satisfying 0.ltoreq.q+r.ltoreq.10
• X is hydrogen, or a methyl group;
• and wherein at least about 15% by weight in the polyurethane resin comprises at least one ring component shown by the following ##STR31## wherein A.sub.3 and X are as defined above.