As an important industrial solvent,it is capable to dissolve cellulose ether, cellulose ester, nitrocellulose ,alkaline base dyestuff, PVC, polyvinyl acetate, polymethylmethacrylate, polystyrene, coumarone resin, 100% phenol resin, modified phenol resin and various natural resins.

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The results show that, the main reason for the ammunition exploder falure is that PVAC is degraded to HAc, and HAc diffuses to exploder inside leading to its corrosion.

結(jié)果表明，某引信失效的主要原因是彈藥中炸藥組分聚醋酸乙烯酯降解為醋酸91啪在线观看，醋酸擴散至引信內(nèi)部導致金屬材料的腐蝕a级毛片高清免费播放。

The surface hydroxyl group onto magnetic polyvinyl acetate nanoparticles can be obtained by saponification reaction on their surface.

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With ammonium persulfate/sodium thiosulfate as Redox initiator system,a binder based on vinyl acetate/acrylate copolymer used for chopped strand mat was prepared at low temperature.

以過硫酸銨/硫代硫酸鈉為氧化還原引發(fā)體系，在低溫下研究制備出了短切氈用的醋酸乙烯酯與丙烯酸酯類共聚物粘結(jié)劑在线欧美性色妞AⅤ高清视频。

Radiation-induced grafting of binary vinyl monomers of styrene/maleic anhydride, St/dimethylamino ethyl methacrylate and St/vinyl acetate onto cotton cellulose was carried out by γ-radiation from a 60Co source at room temperature under nitrogen.

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Binary blends of polyoxymethylene/co-polyamide and ternary blends of poly- oxymethylene/co-polyamide/ethylene-vinyl (POM/COPA/EVA) were prepared and the effect of COPA and EVA contents on properties of blends was investigated.

研究了聚甲醛/共聚酰胺二元及聚甲醛/共聚酰胺/乙烯-醋酸乙烯酯共聚物(POM/COPA/EVA)三元共混物性无码专区无码视频在线观看，探討了COPA、EVA用量對共混體系性能的影響久色入口。

The toughening effect of chlorinated polye thylene and nano-mete r fumed silica (SiO 2) on polyvinyl chlorid e was investigated by means of to ughness contribution rate, the mechanical properties of the composite were also studied.

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All kinds of molecule structures of the ethylene - vinyl acetate copolymers have been synthesized by solution polymerization.

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Ethylene - vinyl acetate copolymer was a type of paraffin inhibitor used in oilfield, but its structure and molecular weight were not controlled exactly.

乙烯-醋酸乙烯酯共聚物是油田上用得較多的一種防蠟劑，但其結(jié)構(gòu)和相對分子質(zhì)量不能準確控制久久久国产一级A片。

The non-isothermal decomposition kinetics of nylon 1010 and nylon 1010/POSS composites in nitrogen were investigated. POSS significantly increased the activation energy but had little effect on the reaction order.(5) Exploring research was carried out on the reaction between EVM and nylon 1010. The reaction between EVM and TsOH during melt mixing was also invesigated, and related reaction mechanisms were studied in terms of NMR, TGA-FTIR and etc.

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