Adhesive composition for use in roofing materials

1. A moisture curable, non-bitumen and non-asphaltic based adhesive, said moisture curable, non-bitumen and non-asphaltic based adhesive comprising at least 4 wt. % extender, at least 2 wt. % compatibilizer, at least 10 wt. % polymer, and less than 0.5 wt. % asphalt, bitumen, and/or coal tar, said polymer including reactive silyl groups, said extender including esters of polybasic acids, esters of polyhydric alcohol, fatty acid oils, fatty acid esters, aromatic carboxylic acid esters, and/or aliphatic carboxylic acid esters; said compatibilizer including adipate glycols, carbonate glycols, and/or olefinic glycols, said moisture curable, non-bitumen and non-asphaltic based adhesive including less than 0.5 wt. % volatile organic compounds; said moisture curable, non-bitumen and non-asphaltic based adhesive including less than 0.5 wt. % isocyanate groups.

2. The moisture curable, non-bitumen and non-asphaltic based adhesive as defined in claim 1 , wherein said moisture curable, non-bitumen and non-asphaltic based adhesive comprises 4-45 wt. % extender, 2-45 wt. % compatibilizer, and 10-31 wt. % polymer, one or more of said reactive silyl groups in said polymer are selected from the group consisting of a polyether having reactive silyl groups, a polyurethane having reactive silyl groups, and a polyester having reactive silyl groups.

3. The moisture curable, non-bitumen and non-asphaltic based adhesive as defined in claim 1 , wherein said moisture curable, non-bitumen and non-asphaltic based adhesive further includes one or more of adhesion promoter, antioxidant, catalyst, dehydration agent, filler and/or tackifier.

4. The moisture curable, non-bitumen and non-asphaltic based adhesive as defined in claim 3 , wherein said moisture curable, non-bitumen and non-asphaltic based adhesive includes one or more of at least 0.01 wt. % adhesion promoter, at least 0.001 wt. % antioxidant, at least 0.1 wt. % catalyst, at least 0.05 wt. % dehydration agent, at least 20 wt. % filler, and/or at least 0.01 wt. % tackifier.

5. The moisture curable, non-bitumen and non-asphaltic based adhesive as defined in claim 3 , wherein said moisture curable, non-bitumen and non-asphaltic based adhesive further includes 0.01-4 wt. % adhesion promoter, 0.05-0.5 wt. % antioxidant, 0.05-2 wt. % dehydration agent, 20-70 wt. % filler, and 0.1-1 wt. % catalyst.

6. The moisture curable, non-bitumen and non-asphaltic based adhesive as defined in claim 3 , wherein said moisture curable, non-bitumen and non-asphaltic based adhesive further includes 0.01-0.1 wt. % adhesion promoter, 0.05-0.35 wt. % antioxidant, 0.05-0.3 wt. % dehydration agent, 20-35 wt. % filler, and 0.1-0.4 wt. % catalyst.

7. The moisture curable, non-bitumen and non-asphaltic based adhesive as defined in claim 3 , wherein said moisture curable, non-bitumen and non-asphaltic based adhesive includes tackifier.

8. The moisture curable, non-bitumen and non-asphaltic based adhesive as defined in claim 7 , wherein said tackifier includes one or more compounds selected from the group consisting of naphthenic oil and aromatic resins.

9. The moisture curable, non-bitumen and non-asphaltic based adhesive as defined in claim 1 , wherein said moisture curable, non-bitumen and non-asphaltic based adhesive forms a peel strength with a roofing membrane that is greater than 1 pli.

10. The moisture curable, non-bitumen and non-asphaltic based adhesive as defined in claim 9 , wherein said moisture curable, non-bitumen and non-asphaltic based adhesive forms a peel strength with a roofing membrane that is greater than 2 pli.

11. The moisture curable, non-bitumen and non-asphaltic based adhesive as defined in claim 1 , wherein a weight ratio of said extender to said compatibilizer is 1:1 to 5:1.

12. The moisture curable, non-bitumen and non-asphaltic based adhesive as defined in claim 1 , wherein said compatibilizer includes one or more compounds selected from the group consisting of adipate glycols, carbonate glycols paraffinic and olefinic glycols.

13. The moisture curable, non-bitumen and non-asphaltic based adhesive as defined in claim 1 , wherein said extender includes one or more compounds selected from the group consisting of polybasic acids and polyhydric alcohols.

14. The moisture curable, non-bitumen and non-asphaltic based adhesive as defined in claim 1 , wherein said polymer includes an α, Ω telechelic silyl-terminated polymer.

15. The moisture curable, non-bitumen and non-asphaltic based adhesive as defined in claim 1 , wherein said moisture curable, non-bitumen and non-asphaltic based adhesive includes less than 0.05 wt. % volatile organic compounds.

16. The moisture curable, non-bitumen and non-asphaltic based adhesive as defined in claim 1 , wherein said moisture curable, non-bitumen and non-asphaltic based adhesive includes less than 0.05 wt. % isocyanate groups.

17. An adhered roofing system comprising:

i. a roof substrate;

ii. a roofing membrane; and

iii. a cured adhesive, said cured adhesive is a cured product of a moisture curable, non-bitumen and non-asphaltic based adhesive, said moisture curable, non-bitumen and non-asphaltic based adhesive comprises at least 4 wt. % extender, at least 2 wt. % compatibilizer, at least 10 wt. % polymer, and less than 0.5 wt. % asphalt, bitumen, and/or coal tar, said polymer including reactive silyl groups, said extender including esters of polybasic acids, esters of polyhydric alcohol, fatty acid oils fatty acid esters, aromatic carboxylic acid esters, and/or aliphatic carboxylic acid esters; said compatibilizer including adipate glycols, carbonate glycols, and/or olefinic glycols, said moisture curable, non-bitumen and non-asphaltic based adhesive including less than 0.5 wt. % volatile organic compounds; said moisture curable, non-bitumen and non-asphaltic based adhesive including, less than 0.5 wt. % isocyanate groups.

18. The adhered roofing system as defined in claim 17 , wherein said moisture curable, non-bitumen and non-asphaltic based adhesive comprises 4-45 wt. % extender, 2-45 wt. % compatibilizer, and 10-31 wt. % polymer, one or more of said reactive silyl groups in said polymer are selected from the group consisting of a polyether having reactive silyl groups, a polyurethane having reactive silyl groups, and a polyester having reactive silyl groups.

19. The adhered roofing system as defined in claim 17 , wherein said moisture curable, non-bitumen and non-asphaltic based adhesive further includes one or more of adhesion promoter, antioxidant, catalyst, dehydration agent, filler and/or tackifier.

20. The adhered roofing system as defined in claim 19 , wherein said moisture curable, non-bitumen and non-asphaltic based adhesive further includes one or more of at least 0.01 wt. % adhesion promoter, at least 0.001 wt. % antioxidant, at least 0.1 wt. % catalyst, at least 0.05 wt. % dehydration agent, at least 20 wt. % filler, and/or at least 0.01 wt. % tackifier.

21. The adhered roofing system as defined in claim 19 , wherein said moisture curable, non-bitumen and non-asphaltic based adhesive further includes 0.01-4 wt. % adhesion promoter, 0.05-0.5 wt. % antioxidant, 0.05-2 wt. % dehydration agent, 20-70 wt. % filler, and 0.1-1 wt. % catalyst.

22. The adhered roofing system as defined in claim 19 , wherein said moisture curable, non-bitumen and non-asphaltic based adhesive further includes 0.01-0.1 wt. % adhesion promoter, 0.05-0.35 wt. % antioxidant, 0.05-0.3 wt. % dehydration agent, 20-35 wt. % filler, and 0.1-0.4 wt. % catalyst.

23. The adhered roofing system as defined in claim 17 , wherein a peel strength of said roofing membrane and said adhesive is greater than 1 pli.

24. The adhered roofing system as defined in claim 17 , wherein said roof membrane is a modified bitumen membrane or an EPDM polymer membrane.

25. A one part moisture curable adhesive comprising 10-31 wt. % polymer, 4-45 wt. % extender, 2-45 wt. % compatibilizer, 0.01-4 wt. % adhesion promoter, 0.001-5 wt. % antioxidant, 0.01-1 wt. % catalyst, 0.05-2 wt. % dehydration agent, 20-70 wt. % filler, and; said one part moisture curable adhesive including less than 0.5 wt. % asphalt, bitumen, and/or coal tar; said one part moisture curable adhesive including less than 0.5 wt. % volatile organic compounds; said one part moisture curable adhesive including less than 0.5 wt. % isocyanate groups; said polymer including silylated polyurethane, silylated polyether, silylated acrylic, and/or silylated polyester; said extender including esters of polybasic acids, esters of polyhydric alcohol, fatty acid oils, fatty acid esters, aromatic carboxylic acid esters, and/or aliphatic carboxylic acid esters; said compatibilizer including adipate glycols, carbonate glycols, and/or olefinic glycols; said adhesion promoter including silane coupling groups; said catalyst formulated to promote curing of silyl-terminated groups in said polymer.

26. The one part moisture curable adhesive as defined in claim 25 , wherein said one part moisture curable adhesive includes less than 0.05 wt. % volatile organic compounds and less than 0.05 wt. % isocyanate groups.

27. The one part moisture curable adhesive as defined in claim 26 , wherein a weight ratio of said extender to said compatibilizer is 1.1:1 to 2:1.

28. An adhered roofing system comprising:

i. a roof substrate;

ii. a roofing membrane; and

iii. a cured adhesive securing said roofing membrane to said roof substrate, said cured adhesive is a cured product of a one part moisture curable adhesive, said one part moisture curable adhesive comprising 10-31 wt. % polymer, 4-45 wt. % extender, 2-45 wt. % compatibilizer, 0.01-4 wt. % adhesion promoter, 0.001-5 wt. % antioxidant, 0.01-1 wt. % catalyst, 0.05-2 wt. % dehydration agent, 20-70 wt. % filler, and; said one part moisture curable adhesive including less than 0.5 wt. % asphalt, bitumen, and/or coal tar; said one part moisture curable adhesive including less than 0.5 wt. % volatile organic compounds; said one part moisture curable adhesive including less than 0.5 wt. % isocyanate groups; said polymer including silylated polyurethane, silylated polyether, silylated acrylic, and/or silylated polyester; said extender including esters of polybasic acids, esters of polyhydric alcohol, fatty acid oils, fatty acid esters, aromatic carboxylic acid esters, and/or aliphatic carboxylic acid esters; said compatibilizer including adipate glycols, carbonate glycols, and/or olefinic glycols; said adhesion promoter including silane coupling groups; said catalyst formulated to promote curing of silyl-terminated groups in said polymer.

29. The adhered roofing system as defined in claim 28 , wherein said one part moisture curable adhesive includes less than 0.05 wt. % volatile organic compounds and less than 0.05 wt. % isocyanate groups.

30. The adhered roofing system as defined in claim 29 , wherein a weight ratio of said extender to said compatibilizer is 1.1:1 to 2:1.

31. The adhered roofing system as defined in claim 30 , wherein a peel strength of said roofing membrane connected to said roof substrate by said adhesive is greater than 1 pli.

32. The adhered roofing system as defined in claim 31 , wherein said roof membrane is a modified bitumen membrane or an EPDM polymer membrane.