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发明授权
US09080087B2 Reduction in modulus of polyurethane sealants and adhesives 有权
聚氨酯密封剂和粘合剂的模量降低

Reduction in modulus of polyurethane sealants and adhesives
摘要：
Low modulus, polyurethane sealant or adhesive compositions and a method of reducing the modulus of a polyurethane sealant or adhesive composition, including adding a modulus reducing additive of at least one of rosin esters, hydrogenated rosin esters, or mixtures thereof, to a sealant or adhesive composition including a polyurethane prepolymer, optionally having a bio-based content of from about 15% to about 75% by weight.
摘要（中）：

低模量，聚氨酯密封剂或粘合剂组合物和降低聚氨酯密封剂或粘合剂组合物的模量的方法，包括将松香酯，氢化松香酯或其混合物中的至少一种的模量降低添加剂添加到密封剂或粘合剂 组合物，其包含聚氨酯预聚物，任选地具有约15重量％至约75重量％的生物基含量。

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