C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
400/4501, 260/48
C07C 69/704 (2006.01) C07C 59/265 (2006.01) C08L 67/06 (2006.01)
Patent
CA 2040313
- 27 - CITRATE ESTER COMPOSITIONS AND PROCESSES FOR THEIR PREPARATION ABSTRACT OF THE DISCLOSURE Citrate ester compositions which are useful as compatible components in a resinous system for sheet molding compositions and have a general formula Image wherein X is selected from the group consisting of ?OC3H6?3-OCH3 and OH are disclosed. Also disclosed is a sheet molding composition which includes a four component resinous system comprising (a) an unsaturated polyester comprising a polycondensation product of one or more dihydric alcohols and one or more ethylenlcally unsaturated polycarboxylic acids; (b) one or more low-profile thermoplastic polymer additives which cause phase separation and internal voids during the curing reaction; (c) one or more olefinically unsuturated monomers which copolymerize with the unsaturated polyester; and, (d) one or more compatible components which remain compatible when the polyester and monomer cure and impart improved surface characteristics when added to typical low-profile resin systems.
Krumlauf Paul R.
Ross Louis R.
Wilson Edward L.
Corporation Owens-Corning Fiberglas
G. Ronald Bell & Associates
Krumlauf Paul R.
Ross Louis R.
Wilson Edward L.
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