Sheet molding composition having controllable thickening
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United States of America Patent
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May 5, 1998
Issued Date -
N/A
app pub date -
Jun 27, 1996
filing date -
Dec 27, 1994
priority date (Note) -
Expired
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Abstract
A sheet molding composition is provided which exhibits controllable thickening. The composition includes a low molecular weight polyester in which some of the chain ends have been endcapped with functional groups which are unable to react with the thickeners employed in the sheet molding composition. The sheet molding composition has a low viscosity of from about 6 to about 20 million centipoise which allows molding at low pressures of from about 100 to about 300 psi.
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