Coated substrate and articles made therefrom

Patent metadata

Field	Value
Publication number	US-10618259-B2
Application number	US-201515317419-A
Country	US
Kind code	B2
Filing date	Jun 11, 2015
Priority date	Jun 12, 2014
Publication date	Apr 14, 2020
Grant date	Apr 14, 2020

Abstract

A coated substrate which includes a) a fabric substrate layer; b) an adhesive layer which is formed from a first composition comprising a thermoplastic elastomer and an anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer that has a chlorine content from 1 to 20 wt %, based on the total weight of the anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer and the thermoplastic elastomer; and c) a non-polar olefin-based layer formed from a second composition comprising at least one non-polar olefin-based polymer is provided. Also provided are an adhesive composition and articles comprising the coated substrate.
A coated substrate comprising the following: a) a fabric substrate layer; b) an adhesive layer which is formed from a first composition comprising a thermoplastic elastomer and an anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer that has a chlorine content from 10 to 35 wt %, based on the total weight of the anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer; and c) a non-polar olefin-based layer formed from a second composition comprising at least one non-polar olefin-based polymer.

First claim

We claim:

1. A coated substrate comprising:
a) a fabric substrate layer;
b) a coating layer on the fabric substrate layer, the coating layer comprising a first composition comprising (i) a thermoplastic elastomer that is a styrene-ethylene/butene-styrene block copolymer comprising from 10 wt % to 30 wt % styrene, (ii) an anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer that has a chlorine content from 10 to 35 wt %, based on the total weight of the anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer and the thermoplastic elastomer, and (iii) an organic solvent that is non-aromatic and nonchlorinated, the first composition having a Brookfield viscosity (solution) at 26° C. from 10 cP to 400 cP.

2. A coated substrate comprising:
a) a fabric substrate layer;
b) a coating layer on the fabric substrate layer, the coating layer comprising a first composition comprising (i) a thermoplastic elastomer that is a maleic anhydride functionalized ethylene-based polymer, (ii) an anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer that has a chlorine content from 10 to 35 wt %, based on the total weight of the anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer, and (iii) an organic solvent that is non-aromatic and nonchlorinated, the first composition having a Brookfield viscosity (solution) at 26° C. from 10 cP to 400 cP.

3. The coated substrate of claim 1 , wherein the fabric substrate layer is a woven polymeric material comprising polyethylene terephthalate.

4. The coated substrate according to claim 2 , wherein the fabric substrate layer is a woven polymeric material comprising polyethylene terephthalate.

5. The coated substrate according to claim 3 , wherein the anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer is a maleic anhydride functionalized chlorinated olefin based polymer having an amount of maleic anhydride functional groups of from 0.75 to 3 wt %, based on the weight of the functionalized chlorinated polymer, and a weight average molecular weight, Mw, from 25,000 g/mol to 125,000 g/mol.

6. The coated substrate according to claim 3 , wherein the solvent of the first composition is selected from the group consisting of the following: methyl cyclohexane, ethyl cyclohexane, methyl ethyl ketone, ethyl acetate, butyl acetate, and combinations thereof.

7. An adhesive composition comprising
(i) from 4 wt % to 9 wt % of a thermoplastic elastomer selected from the group consisting of styrene-ethylene/butene-styrene block copolymer comprising from 10 wt % to 30 wt % styrene, and maleic anhydride functionalized ethylene-based polymer;
(ii) from 0.1 wt % to 1 wt % of a maleic anhydride functionalized chlorinated olefin-based polymer that has a chlorine content from 10 to 35 wt %, based on the total weight of the anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer;
(iii) from 90 wt % to 95 wt % of an organic solvent that is non-aromatic and nonchlorinated; and
the adhesive composition has a Brookfield viscosity (solution) at 26° C. from 10 cP to 400 cP.

8. The coated substrate of claim 1 , wherein the anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer is a maleic anhydride functionalized chlorinated olefin based polymer having a maleic anhydride functional group content from 1 wt % to 3 wt % and a chlorine content from 16 wt % to 30 wt %, based on the weight of the functionalized chlorinated polymer, and a weight average molecular weight, Mw, from 25,000 g/mol to 125,000 g/mol.

9. The coated substrate of claim 2 , wherein the anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer is a maleic anhydride functionalized chlorinated olefin based polymer having a maleic anhydride functional group content from 1 wt % to 3 wt % and a chlorine content from 16 wt % to 30 wt %, based on the weight of the functionalized chlorinated polymer, and a weight average molecular weight, Mw, from 25,000 g/mol to 125,000 g/mol.

10. The adhesive composition of claim 7 , wherein the maleic anhydride functionalized chlorinated olefin based polymer has a maleic anhydride functional group content from 1 wt % to 3 wt % and a chlorine content from 16 wt % to 30 wt %, based on the weight of the functionalized chlorinated polymer, and a weight average molecular weight, Mw, from 25,000 g/mol to 125,000 g/mol.

11. The adhesive composition of claim 7 , wherein the solvent is methyl cyclohexane.

12. The coated substrate of claim 1 further comprising
(c) a non-polar olefin-based layer adhered to the adhesive layer, the non-polar olefin-based layer comprising a non-polar olefin-based polymer having (i) a density from 0.85 g/cc to 0.89 g/cc and (ii) a melt flow rate from 0.1 g/10 min to 10 g/10 min.

13. The coated substrate of claim 12 , wherein the non-polar olefin-based polymer is a propylene/ethylene copolymer.

14. The coated substrate of claim 2 further comprising
(c) a non-polar olefin-based layer adhered to the adhesive layer, the non-polar olefin-based layer comprising a non-polar olefin-based polymer having (i) a density from 0.85 g/cc to 0.89 g/cc and (ii) a melt flow rate from 0.1 g/10 min to 10 g/10 min.

15. The coated substrate of claim 14 , wherein the non-polar olefin-based polymer is a propylene/ethylene copolymer.

16. The coated substrate of claim 1 wherein the coated layer consists of (i) the thermoplastic elastomer, (ii) the anhydride and/or carboxylic acid functionalized chlorinated olefin-based polymer, and the organic solvent.

17. The coated substrate of claim 2 wherein the coated layer consists of (i) the thermoplastic elastomer, (ii) the anhydride and/or carboxylic acid functionalized chlorinated olefin-based polymer, and the organic solvent.

18. The adhesive composition of claim 7 consisting of (i) the thermoplastic elastomer, (ii) the maleic anhydride functionalized chlorinated olefin-based polymer, and (iii) the organic solvent.

19. The adhesive composition of claim 7 consisting of
(i) from 4 wt % to 9 wt % of the styrene-ethylene/butene-styrene block copolymer comprising from 10 wt % to 30 wt % styrene;
(ii) from 0.1 wt % to 1 wt % of the maleic anhydride functionalized chlorinated olefin-based polymer; and
(iii) from 90 wt % to 95 wt % of the organic solvent that is non-aromatic and nonchlorinated.

20. The adhesive composition of claim 7 consisting of
(i) from 4 wt % to 9 wt % of the maleic anhydride functionalized ethylene-based polymer;
(ii) from 0.1 wt % to 1 wt % of the maleic anhydride functionalized chlorinated olefin-based polymer; and
(iii) from 90 wt % to 95 wt % of the organic solvent that is non-aromatic and nonchlorinated.

Assignees

• Dow Global Technologies Llc

Inventors

• Yu Haiyang
• Chen Yong
• Chen Yongchun
• Wu Hang

Classifications

• B32B2255/10

  on synthetic resin layer or on natural or synthetic rubber layer · CPC title

• B32B5/022

  Non-woven fabric · CPC title

• B32B27/32 Primary

  comprising polyolefins {(comprising vinyl (co)polymers or acrylic (co)polymers B32B27/30)} · CPC title

• C09J151/06

  grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond · CPC title

• B32B2262/0284

  Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT] · CPC title