Smoke suppressant hot melt adhesive composition
View Patent ↗A hot melt adhesive composition that includes thermoplastic polymer, a source of zinc, at least one of aluminum trihydrate and magnesium hydroxide, and no greater than 70% by weight of a source of halogen. Articles that include a porous substrate and the hot melt adhesive composition.
1. An article comprising:
a porous substrate; and
a hot melt adhesive composition comprising
thermoplastic polymer,
a source of zinc comprising zinc oxide,
at least one metal hydroxide selected from the group consisting of aluminum trihydrate and magnesium hydroxide, and
a source of halogen.
2. A filter comprising the article of claim 1 , wherein said porous substrate comprises a pleated porous substrate.
3. The filter of claim 2 , wherein said substrate comprises synthetic polymer, cellulosic polymer, glass fibers, or a combination thereof.
4. The filter of claim 2 , wherein said substrate comprises fibers comprising synthetic polymer, cellulosic polymer, glass, or a combination thereof.
5. The filter of claim 2 , wherein said filter is capable of passing the UL 900 Class 1 Test Method.
6. The filter of claim 2 , wherein said filter is capable of passing the UL 900 Class 2 Test Method.
7. The article of claim 1 , wherein said porous substrate comprises fibers comprising synthetic polymer, cellulosic polymer, glass, or a combination thereof.
8. A filter comprising the article of claim 7 , wherein said filter is capable of passing the UL 900 Class 1 Test Method.
9. A filter comprising the article of claim 7 , wherein said filter is capable of passing the UL 900 Class 2 Test Method.
10. The article claim 1 , wherein said thermoplastic polymer comprises, polyolefin, ethylene acrylic acid copolymers, polyalkylacrylates, polystyrene, ethylene vinyl alcohol, polyesters, polyamides, rayon, interpolymer of ethylene and octene, or a combination thereof.
11. The article of claim 1 , wherein said source of zinc further comprises zinc borate.
12. The article of claim 1 , wherein said hot melt adhesive composition comprises magnesium hydroxide as said metal hydroxide.
13. The article of claim 1 , wherein said hot melt adhesive composition comprises halogenated wax as said halogen source.
14. The hot melt adhesive composition of claim 1 , wherein said composition intumesces upon burning.
15. An article comprising:
a porous substrate; and
a hot melt adhesive composition comprising
ethylene vinyl acetate copolymer,
a zinc oxide,
at least one metal hydroxide selected from the group consisting of aluminum trihydrate and magnesium hydroxide, and
a source of halogen.
16. A filter comprising the article of claim 15 , wherein said substrate comprises fibers comprising synthetic polymer, cellulosic polymer, glass, or a combination thereof.
17. The filter of claim 15 , wherein said filter is capable of passing at least one of the UL 900 Class 1 Test Method and the UL 900 Class 2 Test Method.
18. An article comprising:
a porous substrate; and
a hot melt adhesive composition comprising
thermoplastic polymer,
a source of zinc comprising zinc oxide, magnesium hydroxide,
aluminum trihydrate, and
a source of halogen.
19. A filter comprising the article of claim 18 , wherein said substrate comprises fibers comprising synthetic polymer, cellulosic polymer, glass, or a combination Thereof.
20. The filter of claim 19 , wherein said filter is capable of passing at least one of the UL 900 Class 1 Test Method and the UL 900 Class 2 Test Method.
21. The article of claim 15 , wherein said hot melt adhesive composition further comprises zinc borate.
22. The article of claim 18 , wherein said source of zinc further comprises zinc borate.