POLYURETHANES, POLYURETHANEUREAS AND POLYUREAS AND USE THEREOF
First Claim
Patent Images
1. A chain extended polyurethane, polyurethaneurea and/or polyurea segmented copolymer comprising a polyol soft segment linked via a urethane or urea linkage to a hard segment having an amide segment, an ester segment or a combination of amide and ester segments as represented by Formula I
—
- R—
B—
(R′
—
B)n—
R—
(I)wherein each B represents an —
N(H)C(O)—
, —
C(O)N(H)—
, —
C(O)—
O—
or —
O—
C(O)-moiety;
each R and R′
is a member selected from the group consisting of alkylene moieties, alicyclic moieties, arylene moieties, alkaryl moieties, arylalkyl moieties and heterocyclic moieties, and n has a value of 0 to 6.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention is to a chain of polyurethane, polyurethaneurea and/or polyurea segmented copolymer wherein the polyurethane, polyurethaneurea and/or polyurea segments contain a chain extender having an amide segment, an ester segment, or a combination of amide and ester segments.
-
Citations
40 Claims
-
1. A chain extended polyurethane, polyurethaneurea and/or polyurea segmented copolymer comprising a polyol soft segment linked via a urethane or urea linkage to a hard segment having an amide segment, an ester segment or a combination of amide and ester segments as represented by Formula I
—- R—
B—
(R′
—
B)n—
R—
(I)wherein each B represents an —
N(H)C(O)—
, —
C(O)N(H)—
, —
C(O)—
O—
or —
O—
C(O)-moiety;
each R and R′
is a member selected from the group consisting of alkylene moieties, alicyclic moieties, arylene moieties, alkaryl moieties, arylalkyl moieties and heterocyclic moieties, andn has a value of 0 to 6. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 28, 29, 30, 31, 32, 33)
- R—
-
20. A method for producing a chain extended polyurethane, polyurethaneurea and/or polyurea segmented copolymer comprising reacting in a one-shot process a polyol, a polyisocyanate, and a chain-extender of the formula
X—- R—
B—
(R′
—
B)n—
R—
X
(II)wherein each B represents an —
N(H)C(O)—
, —
C(O)N(H)—
, —
C(O)—
O—
or —
O—
C(O)-moiety;
each R and R′
is a member selected from the group consisting of alkylene moieties, alicyclic moieties, arylene moieties, alkaryl moieties, arylalkyl moieties or heterocyclic moieties;
n has a value of 0 to 6;
X is an isocyanate reactive group; and
the equivalent ratio of NCO groups on the isocyanate to active hydrogen groups on the polyol plus the chain extender is between 1;
0.7 and 1;
1;
3, and the molar ratio of the chain extender to polyol is between 0.15;
1 and 75;
1. - View Dependent Claims (22, 24, 25, 27, 34, 35, 36, 37)
- R—
-
21. A method for producing a chain extended polyurethane, polyuethaneurea and/or polyurea segmented copolymer comprising reacting an isocyanate-terminated prepolymer with a chain extender of the formula
X—- R—
B—
(R′
—
B)n—
R—
X
(II)wherein each B represents an —
N(H)C(O)—
, —
C(O)N(H)—
, —
C(O)—
O—
or —
O—
C(O)-moiety;
each R and R′
is independently chosen from the group consisting of alkylene moieties, alicyclic moieties, arylene moieties, alkaryl or arylalkyl moieties or heterocyclic 20 moieties;
n has a value of 0 to 6;
X is an isocyanate reactive group; and
the isocyanate terminated prepolymer is the reaction product of a polyisocyanate and a polyol, where the equivalent ratio of NCO groups on the isocyanate to active hydrogen groups on the polyol plus the chain extender is between 1;
0.7 and 1;
1;
3, and the molar ratio of the chain extender to polyol is between 0.15;
1 and 75;
1. - View Dependent Claims (23, 26, 38, 39, 40)
- R—
Specification