| 摘要 |
A vegetable oil extended polyurethane system comprising the reaction product of an isocyanate terminated polyisocyanate with a polyol in the presence of a vegetable oil and, optionally, a plasticizer, said polyurethane systems being applicable for use as reenterable encapsulants for sealing insulated electrical devices, as hard, permanent encapsulants and as general polyurethane elastomers.
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