Thickened moulding compositions

Details Thickened moulding compositions Thickened moulding compositions

1987-06-17

1990-01-23

Short, Patricia

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ethylenically unsaturated reactant admixed with either...

525 31, 525 41, 525109, 525126, 525168, 525170, 523523, 523526, 523527, C08L 6706, C08L 6310, C08L 7504

Patent

active

048958956

ABSTRACT:
A thickened moulding composition comprises fibrous reinforcement, an ethylenically unsaturated polymer, a monomer copolymerizable therewith and a crystalline unsaturated polyester having a glycol component derived from at least two symmetrical glycols.
Preferably, the crysatlline polyester has a molecular weight per double bond of no more than about 210 and a melting point of from 50.degree.-115.degree. C.

REFERENCES:
patent: 2857359 (1958-10-01), Scholick et al.
patent: 3932980 (1976-01-01), Mizutani et al.
Yamada et al., "TMC.TM.--Combining SMC--BMC Compounding with New Impregnating Efficiency & Economy," 33rd Annual Technical Conference, 1978, Reinforced Plastics/Composities Institute, The Society of the Plastics Industry, Inc., Section 4-B, pp. 1-6.
European Search Report, Application No. 87 30 5064.

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