| 摘要 |
A polyurethane based film laminating adhesive containing a prepolymer prepared by reacting MDI with a polyol in the presence of an organophosphite is provided. The phosphite is present in an amount of about 0.1 to about 10% relative to the weight of said prepolymer. The prepolymer is characterized in having an isocyanate content of from about 1 to 25% by weight.
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