Paint removing composition
View Patent ↗A composition and related process for removing paint from a substrate in which the composition contains d-limonene.
1. A composition for removing paint from a substrate, wherein the composition consists of:
A. from 68.719 to about 80 percent by weight of N-methyl-2-pyrrolidone;
B. from about 10 to about 30 percent by weight of d-limonene;
C. from about 1 to about 5 percent by weight of a thickening agent; and
D. from about 5 to about 25 percent by weight of mineral spirits.
2. A composition as defined by claim 1 wherein the N-methyl-2-pyrrolidone is present in an amount from 68.719 to about 70 percent by weight.
3. A composition as defined by claim 1 wherein the d-limonene is present in an amount from about 10 to about 25 percent by weight.
4. A composition as defined by claim 1 wherein the thickening agent is present in an amount from about 1 to about 3 percent by weight.
5. A composition as defined by claim 1 wherein the thickening agent is a cellulosic material.
6. A composition as defined by claim 5 wherein the cellulosic thickening agent is methyl cellulose.
7. A composition as defined by claim 1 wherein the mineral spirits are present in an amount from about 5 to about 15 percent by weight.
8. A process for removing paint from a substrate, wherein the process consists of treating the substrate with a composition which comprises:
A. from 68.719 to about 80 percent by weight of N-methyl-2-pyrrolidone;
B. from about 10 to about 30 percent by weight of d-limonene;
C. from about 1 to about 5 percent by weight of a thickening agent; and
D. from about 5 to about 25 percent by weight of mineral spirits.
9. A process as defined by claim 8 wherein the N-methyl-2-pyrrolidone is present in an amount from 68.719 to about 70 percent by weight.
10. A process as defined by claim 8 wherein the d-limonene is present in an amount from about 10 to about 25 percent by weight.
11. A process as defined by claim 8 wherein the thickening agent. is present in an amount from about 1 to about 3 percent by weight.
12. A process as defined by claim 8 wherein the thickening agent is a cellulosic material.
13. A process as defined by claim 12 wherein the cellulosic thickening agent is methyl cellulose.
14. A process as defined by claim 8 wherein the mineral spirits are present in an amount from about 5 to about 15 percent by weight.