| Acrylate polymer emulsion adhesive is one of the important applications for emulsion polymerization.Based on the research status of acrylate emulsion adhesive of protective film adhesive,the emulsion copolymerization is performed according to molecule design theory,we optimize the synthesis technics and adjust the combination of monomer by a large number of experiments and research work,and prepare multivariate copolymerization emulsion acrylate adhesive.We have been provided the technical guidance to resolve some of the inadequacies of conventional acrylic adhesives,and have been provided reference and mentality for new varieties of protective film adhesive.The measurements such as FTIR and DSC were employed to characterize the structure of the copolymerization acrylate emulsion.We discuss the polymerization method,the initiator,emulsifier,copolymeric monomer,the functional and cross linking monomer for emulsion properties through the acrylate copolymer emulsion solid content,conversion rate,water absorption and performance testing and pressure sensitive adhesive three mechanical properties test.The main results include that:(1)we discuss and analysis of the various components in the emulsion polymerization,and compare the different substances of the various components of the mechanical properties of the emulsion.The content includes different soft monomer,different hard monomers and functional monomer to the comparison of emulsion mechanical properties.we discuss in detail for the polymerization method,the reaction temperature,reaction time,initiator,etc.(2)we determine a set of optimized recipe and the fine technological operation as the three formula experimental Program finally.The proportion of soft and hard monomer is BA/St=41/6,AA,?-HPMA and GMA account for 1.5%,3%and 1%,reactive emulsifier DNS-86 amount for 0.75%,the initiator amount for 0.9%,the reaction temperature is(80 ± 2)?. |
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