A new kind of aluminium foil/paper laminating adhesive was prepared by using vinyl acetate and butyl acrylate as main component,acrylic acid modified copolymer emulsion. The influence of monomers composition,PVA,the type and amount of emulsifier and initiator ,polymerized temperature on the properties of the adhesive was discussed.
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As a well-known regenerated energy, so called bio-gas with methane as main component could be gene - rated in sludge digestion.
污水处理厂产生的污泥经消化后会产生沼气，以甲烷为主要成分的生化沼气是非常理想的再生能源。
The oil remover consists of three components, two of them are reverse demulsifier as main component and another one is a little inorganic reagent.
该除油剂主要由三种成分组成，其中两种反相破乳剂为主剂，另外合有少量无机絮凝剂。
The hard non-elastic atactic copolymer with methyl methacrylate as main component consists of methyl methacrylate and monomer capable of copolymerizing with it.
以甲基丙烯酸甲酯为主的硬质非弹性无规共聚物由甲基丙烯酸甲酯和能与其共聚的单体组成。
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