Claims
- 1. A process to produce a molded compound which comprises
(1) mixing
(A) an unsaturated polymer resin which has been synthesized from a natural triglyceride oil containing an effective amount of acid groups in order to thicken with metal ions, (B) a polymerizable monomer, (C) a thickening agent to form a polymerizable material, (2) polymerizing said polymerizable material in a mold to form a molded compound.
- 2. The process as claimed in clam 1, wherein the polymerization is initiated with an initiator.
- 3. The process as claimed in claim 1, wherein the mixing step further requires
(D) at least one reinforcing filler or fiber or (E) at least one internal mold release agent or a mixture of said (D) and said (E).
- 4. The process as claimed in claim 1, wherein said unsaturated polymer resin is a polyester resin which has been synthesized from a triglyceride oil is produced by at least one of the following steps:
(a) reacting an acrylic acid with an epoxy functional triglyceride oil, (b) modifying the product produced from step (a) with reactive difunctional molecules or (c) reacting an unsaturated anhydride with a hydroxy functional triglyceride oil.
- 5. The process as claimed in claim 1, wherein said unsaturated polymer resin has been synthesized from a triglyceride oil is produced by at least one of the following steps:
(a) reacting an acrylic acid with an epoxy functional triglyceride oil, (b) modifying of the product produced from step (a) with maleic anhydride acid and phthalic anhydride or (c) reacting an unsaturated anhydride with a hydroxy functional triglyceride oil.
- 6. The process as claimed in claim 1, wherein said polymerizable monomer is a compound having at least one unsaturated double bond in the molecule.
- 7. The process as clamed in claim 1, wherein said polymerizable monomer is a monovinyl compound.
- 8. The process as clamed in claim 7, wherein said monovinyl compound is styrene, methyl styrene, divinyl benzene or methyl methacrylate.
- 9. The process as clamed in claim 7, wherein said polymerizable monomer is styrene.
- 10. The process as clamed in claim 7, wherein amount of monovinyl compound is from about 10 percent by weight to about 75 percent by weight of the triglyceride.
- 11. The process as claimed in claim 2, wherein said initiator is t-butyl peroxybenzoate or methyl ethyl ketone peroxide.
- 12. The process as claimed in claim 1, wherein the polymerizing step further requires an inhibitor or an accelerator or a mixture thereof.
- 13. The process as claimed in claim 12, wherein said inhibitor is quinone.
- 14. The process as claimed in claim 12, wherein said inhibitor is hydroquinone, p-benzoquinone and toluquinone.
- 15. The process as claimed in claim 12, wherein said inhibitor is hydroquinone.
- 16. The process as claimed in claim 12, wherein said accelerator is cobalt naphthenate or cobalt octoate.
- 17. The process as claimed in claim 1, wherein said thickening agent is magnesium oxide, magnesium hydroxide, calcium oxide, polyaromatic polydiisocyanate or tolylene diisocyanate.
- 18. The process as claimed in claim 2, wherein said thickening agent is magnesium oxide, polyaromatic polydiisocyanate or tolylene diisocyanate.
- 19. The process as clamed in claim 1, wherein said triglyceride oil is from soybean oil, linseed oil, rapeseed oil, cottonseed oil, corn oil, rapeseed oil, palm oil, fish oil, canola oil, sunflower oil, safflower oil or peanut oil.
- 20. The process as claimed in claim 3, wherein said mold release agent is zinc stearate.
- 21. The process as clamed in claim 1, wherein said polymerizing is accomplished by photon radiation, electron beam radiation, gamma radiation, heat or free radical polymerization.
- 22. The process as clamed in claim 2, wherein said polymerizing is accomplished by free radical polymerization and said initiator is added to the compound to initiate final cure in the mold and said initiator is a peroxide.
- 23. The process as clamed in claim 22, wherein said peroxide is benzyl peroxide, methyl ethyl ketone peroxide, hydrogen peroxide or cumene hydroperoxide.
- 24. The process as clamed in claim 3, wherein said at least one reinforcing filler or fiber is chopped glass fiber, chopped carbon fiber, flax, jute, straw, kenaf, hemp, calcium carbonate, chalk, limestone, silicate, aluminum trihydrate or talc.
- 25. A molded article prepared by the process of claim 1.
- 26. A molded composition which consists essentially of
a. an unsaturated polyester resin based which has been synthesized from a predominately natural triglyceride oil containing an effective amount of acid groups in order to thicken with metal ions, b. a polymerizable monomer and c. a thickening agent.
- 27. The composition as claimed in claim 26, which further contains an initiator.
- 28. The composition as claimed in claim 27, which further contains
at least one reinforcing filler or fiber and/or at least one internal mold release agent.
- 29. The composition as claimed in claim 27, wherein the polymerizable monomer is styrene.
- 30. The composition as claimed in claim 27, wherein said initiator is t-butyl peroxybenzoate or methyl ethyl ketone peroxide.
- 31. The composition as claimed in claim 26, which further contains an inhibitor or an accelerator or a mixture thereof.
- 32. The composition as claimed in claim 31, which contains said accelerator and wherein said accelerator is cobalt naphthenate or cobalt octoate.
- 33. The composition as claimed in claim 31, which contains said inhibitor and wherein said inhibitor is p-benzoquinone or hydroquinone.
- 34. The composition as claimed in claim 26, wherein said thickening agent is magnesium oxide.
- 35. The composition as claimed in claim 28, wherein said mold release agent is zinc stearate.
- 36. The composition as claimed in claim 26, wherein said unsaturated polyester resin contains no or substantially no petroleum derived raw materials.
RELATED APPLICATIONS
[0001] This application claims benefit to U.S. Provisional application number 60/297,475 filed Jun. 12, 2001 which is incorporated by reference in its entirety for all useful purposes.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60297475 |
Jun 2001 |
US |