BARRIER COATING COMPOSITIONS FOR USE IN THE MANUFACTURING OF POLYMER FOAM PRODUCTS

A foamed polymeric thermal insulation product comprises a polymer foam formed from a foamable polymer composition comprising: a) a thermoplastic matrix polymer composition, and b) a blowing agent composition. A barrier coating formed on at least one of the first major surface and the second major surface, the barrier coating formed from a barrier coating composition comprising a dispersion of at least one polymer, the at least one polymer comprises at least one polymer selected from the group consisting of polyvinylidene chloride (PVDC), polyvinylidene fluoride (PVDF), polyvinyl chloride (PVC), polyvinyl alcohol, ethylene vinyl alcohol, polyurethane, styrene butadiene (SBR), and combinations or copolymers thereof; and a viscosity modifier. 发泡聚合物隔热产品包含由可发泡聚合物组合物形成的聚合物泡沫，该可发泡聚合物组合物包含：a)热塑性基体聚合物组合物，和b)发泡剂组合物。形成在第一主表面和第二主表面中的至少一者上的阻隔涂层，该阻隔涂层由阻隔涂料组合物形成，该阻隔涂料组合物包含至少一种聚合物的分散体，该至少一种聚合物包括选自聚偏二氯乙烯(PVDC)、聚偏二氟乙烯(PVDF)、聚氯乙烯(PVC)、聚乙烯醇、乙烯乙烯醇、聚氨酯、苯乙烯丁二烯(SBR)、以及它们的组合或共聚物的至少一种聚合物；以及粘度调节剂。