Polyester binder for flooring products
View Patent ↗Described herein is a flooring product comprising a base layer, the base layer comprising: a filler and a polymeric binder, the polymeric binder comprising: an amorphous thermoplastic polyester and a semi-crystalline thermoplastic polyester, wherein the thermoplastic amorphous polyester has a T g less than 30° C.
1. A flooring product comprising a base layer, the base layer comprising:
a filler; and
a polymeric binder comprising:
an amorphous thermoplastic polyester; and
a semi-crystalline thermoplastic polyester;
wherein the thermoplastic amorphous polyester has a T g less than 30° C. and wherein the polymeric binder is present in an amount ranging from about 10 wt. % to about 30 wt. % based on the total weight of the base layer.
2. The flooring product of claim 1 , wherein the semi-crystalline thermoplastic polyester has a Tg less than 25° C.
3. The flooring product of claim 2 , wherein the semi-crystalline thermoplastic polyester has a melt temperature less than 200° C.
4. The flooring product of claim 1 , wherein the amorphous thermoplastic polyester has a number average molecular weight of at least 5,000.
5. The flooring product of claim 4 , wherein the amorphous thermoplastic polyester has a number average molecular weight of at least 10,000.
6. The flooring product of claim 1 , wherein the amorphous thermoplastic amorphous polyester comprises the reaction product of an aliphatic diol and an aromatic diacid.
7. The flooring product of claim 6 , wherein at least one of the thermoplastic amorphous polyester is biobased.
8. The flooring product of claim 1 , wherein the filler comprising at least one of talc, limestone, and combinations thereof.
9. A flooring product comprising a base layer, the base layer comprising:
a filler; and
a polymeric binder comprising:
an amorphous polyester; and
an semi-crystalline polyester;
wherein the amorphous polyester has a T g less than 30° C. and the semi-crystalline polyester has a T g less than 25° C.;
wherein the base layer has a thickness ranging from 75 mils to about 125 mils.
10. The flooring product of claim 9 , wherein the semi-crystalline thermoplastic polyester has a melt temperature less than 200° C.
11. The flooring product of claim 9 , wherein the amorphous thermoplastic polyester has a number average molecular weight of at least 5,000.
12. The flooring product of claim 11 , wherein the amorphous thermoplastic polyester has as number average molecular weight of at least 10,000.
13. The flooring product of claim 9 , wherein the amorphous thermoplastic amorphous polyester comprises the reaction product of an aliphatic diol and an aromatic diacid.
14. The flooring product of claim 13 , wherein the thermoplastic amorphous polyester is biobased.
15. The flooring product of claim 9 , wherein the polymeric binder is present in an amount ranging from about 10 wt. % to about 30 wt. % based on the total weight of the base layer.
16. The flooring product of claim 11 , wherein the filler comprising at least one of talc, limestone, and combinations thereof.
17. A flooring product comprising a base layer, the base layer comprising:
a filler; and
a polymeric binder comprising:
an amorphous thermoplastic polyester; and
an semi-crystalline thermoplastic polyester having a Tg less than 25° C.;
wherein the amorphous thermoplastic polyester and the semi-crystalline polyester are each biobased, and wherein the polymeric binder is present in an amount ranging from about 10 wt. % to about 30 wt. % based on the total weight of the base layer.