Claims
- 1. An internal mold release system comprising (a) a carboxylic acid and (b) a fatty amide.
- 2. The internal mold release system of claim 1 wherein said carboxylic acid is selected from the group consisting of polymerized oleic acid, adipic acid, hydroxystearic acid, terephthalic acid, behenic acid, arachidonic acid, ricinoleic acid and mixtures thereof.
- 3. An internal mold release system as in claim 2 wherein said caroxylic acid is polymerized oleic acid.
- 4. An internal mold release system as in claim 1 comprising 0.5 to 5.0% by weight of said carboxylic.
- 5. An internal mold release system as in claim 1 where in said fatty polyester has a number average molecular weight of 500-12,000.
- 6. An internal mold release system as in claim 5 wherein said fatty polyester is a mixed ester comprising the reaction product of (a) a monofunctional monomer; (b) a difunctional monomer; and (c) a polyfunctional monomer.
- 7. An internal mold release system as in claim 6 where in said fatty polyester is a mixed ester comprising the reaction product of (i) aliphatic dicarboxylic acids, (ii) aliphatic polyols and (iii) monocarboxylic acids comprising 13 to 30 carbon atoms.
- 8. An internal mold release system as in claim 7 where in said fatty polyester comprises the reaction product of (i) adipic acid, (ii) pentaerythritol, and (iii) oleeic acid.
- 9. An internal mold release system as in claim 1 wherein said fatty acid ester is selected from the group consisting of butyl stearate, tridecyl stearate, isocetyl sterate, ditridecyl adipate, stearyl sterate, glycerol tri-(12-hydroxy)sterate, dioctyl dimerate and ethylene glycol disterate.
- 10. An internal mold release system as in claim 9 wherein said fatty acid ester is tridecyl sterate.
- 11. An internal mold release system as in claim 1 wherein said fatty amide is selected from the group consisting of oleamide, steramide, stearyl steramide, 2-hydroxyethyl(12-hydroxy)steramide and erucyl erucamide.
- 12. An internal mold release system as in claim 1 comprising 0.5 to 5.0% by weight of said compound selected from the group consisting of a fatty polyester, a fatty acid ester and a fatty amide.
- 13. An internal mold release system as in claim 1 further comprising a flame retardant selected from the group consisting of phosphonates, phosphites, phosphates, halogen-containing compounds, melamine, antimony oxides, zinc compounds, alumina trihydrae and magnesium compounds.
- 14. An internal mold release system as in claim 1 further comprising a catalyst selected from the group consisting of tertiary amines, organo-metallic compounds and amides of saturated for unsaturated C.sub.12 -C.sub.24 fatty acids and di, tri or tetra aminoalkanes having at least one catalytic amino group and at least one reactive amino group.
Parent Case Info
This application is a divisional of U.S. Ser. No. 08/705,869, filed Aug. 28, 1996, now U.S. Pat. No. 5,670,553, which is a divisional of U.S. Ser. No. 08/520,279, filed Aug. 25, 1995, now U.S. Pat. No. 5,576,409.
US Referenced Citations (12)
Divisions (2)
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Number |
Date |
Country |
Parent |
705869 |
Aug 1996 |
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Parent |
520279 |
Aug 1995 |
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