NON-HALOGENATED, SELF-EXTINGUISHING RESIN COMPOSITIONS AND METHODS FOR PRODUCING SAME
Resin compositions include a) about 35 wt % to about 90 wt % of an primary acrylic component or about 10 wt % to about 90 wt % of a polyester component; b) about 0 wt % to about 10 wt % of a comonomer; and c) about 10 wt % to about 15 wt % of an organo-phosphorus/nitrogen flame resistant composition. Methods include i.) preparing an acrylic resin composition including: a) about 35 wt % to about 90 wt % of an primary acrylic component or about 10 wt % to about 90 wt % of a polyester component; b) about 0-10 wt % of a comonomer; and c) about 10-15 wt % of an organo-phosphorus/nitrogen flame resistant composition; and ii) processing the acrylic resin by continuous casting to form a sheet or surface.
1 . A resin composition, comprising:
a) about 35 wt % to about 90 wt % of an primary acrylic component or about 10 wt % to about 90 wt % of a polyester component;
b) about 0 wt % to about 10 wt % of a comonomer; and
c) about 10 wt % to about 15 wt % of an organo-phosphorus/nitrogen flame resistant composition.
2 . The resin composition of claim 1 , wherein the organo-phosphorus/nitrogen flame resistant composition comprises a polymerizable species selected from one or more of organo-phosphorus compound, nitrogen-based compound, or organo-phosphorus/nitrogen compound.
3 . The resin composition of claim 1 , comprising a primary acrylic component, wherein the acrylic component comprises a pre-polymerized syrup.
4 . The resin composition of claim 3 , wherein the acrylic pre-polymerized syrup has a percent by weight of solids (wt %) ranging from 5 wt % to 40 wt %.
5 . The resin composition of claim 1 , further comprising about 0.1 wt % to about 1.0 wt % of a crosslinking agent.
6 . The resin composition of claim 1 , wherein the comonomer is a C4 to C8 (meth)acrylate ester.
7 . The resin composition of claim 1 , wherein the resin composition further comprises a flame resistant additive selected from aluminum trihydrate or borate.
8 . The resin composition of claim 7 , wherein the flame resistant additive is an aluminum trihydrate present at a percent by weight (wt %) of about 5 wt % to about 15 wt %.
9 . A sheet or slab comprising the resin composition of claim 1 .
10 . The sheet or slab of claim 9 , wherein the resin composition forms an article having a Q value ranging from 5 to 25.
11 . The sheet or slab of claim 9 , wherein the article exhibits a passing rating according to UL-94 for V0.
12 . The sheet or slab of claim 9 , wherein the article exhibits a passing rating according to UL-94 for HB.
13 . A method comprising:
i.) preparing an acrylic resin composition comprising:
a) about 35 wt % to about 90 wt % of an primary acrylic component or about 10 wt % to about 90 wt % of a polyester component;
b) about 0-10 wt % of a comonomer; and
c) about 10-15 wt % of an organo-phosphorus/nitrogen flame resistant composition; and
ii) processing the acrylic resin by continuous casting to form a sheet or surface.
14 . The method of claim 13 , further comprising treating the sheet or surface to a post-curing process at a temperature above 200° F. for about 5 minutes to about 30 minutes.
15 . The method of claim 13 , comprising a primary acrylic component, wherein the acrylic component comprises a pre-polymerized syrup.
16 . The method of claim 15 , wherein the acrylic pre-polymerized syrup has a percent by weight of solids (wt %) ranging from 5 wt % to 40 wt %.
17 . The method of claim 13 , wherein the sheet has a Q value ranging from 5 to 25.
18 . The method of claim 13 , wherein the composition further comprises a flame resistant additive selected from aluminum trihydrate or borate.
19 . The resin composition of claim 13 , wherein the flame resistant additive is an aluminum trihydrate present at a percent by weight (wt %) of about 5 wt % to about 15 wt %.
20 . The method of claim 13 , wherein the sheet or surface exhibits a passing rating according to UL-94 for V0 and HB.