Products are based on polyurethane, acrylic, rubber, ethylene vinyl acetate, epoxy, polyvinyl acetate and starch and dextrin chemistries.

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The efficacy of three formulations to B.germanica was evaluated with a small container and a quadr-cage olfactometer system. Results The linalool deploied with aethylenum-Vac granule and activated alumina granule had obvious repellency to B.germanica, and 97.7% repellency of the former was more effective than the latter.

結(jié)果 芳樟醇-乙烯醋酸乙烯酯顆粒劑與活性氧化鋁顆粒劑對(duì)德國(guó)小蠊有明顯的驅(qū)避性，其中芳樟醇-乙烯醋酸乙烯酯顆粒劑優(yōu)于后者亚洲一区色图小说，驅(qū)避性高達(dá)97.7%人人操人人鲁，而芳樟醇。

For the veneering with 0.3mm thick veneer over a graduated particleboard, the optimum processing conditions were a UF adhesive level at 78g/m~2 over the board, a PVAC adhesive level at 42g/m~2 over the veneers and 4.6 percent 36％ HCL ...

用0.3mm厚的水曲柳薄木對(duì)漸變結(jié)構(gòu)刨花板飾面時(shí)欧美性爱日逼，其最佳工藝條件為：脲醛樹脂膠在刨花板上的涂膠量為78g/m~2玫玖精品视频在线播放，聚醋酸乙烯酯乳液在薄木上的涂膠量為42g/m~2，38％鹽酸用量為聚醋酸乙烯酯乳液重量的4.6％99爱精品1。

A random copolymer of poly(vinyl acetate-co-isopropenyl acetate) with number-average molecular weight of 9600 and relatively narrow molecular weight distribution （MWD, M w/ M n=2.03）was prepared by free radical copolymerization of vinyl acetate with isopropenyl acetate using AIBN as initiator.

通過(guò)自由基共聚合方法avpian，以AIBN為引發(fā)劑引發(fā)醋酸乙烯酯和醋酸異丙烯酯共聚欧美口交网站，得到兩者的無(wú)規(guī)共聚物聚。

Furthermore,using oxaldehyde,make the emulsion crosslinked and form a kind of net structure,thus a new kind of water-resistant adhesive is created.

通過(guò)醋酸乙烯酯共聚改性的方法日韩无码专区天美传媒，用醋酸乙烯與丙烯酸系單體共聚狼友色成人网在线播放视频网站免费，采用無(wú)皂乳液聚合，然后用乙二醛交聯(lián)瑟网站，使乳液形成網(wǎng)絡(luò)結(jié)構(gòu)欧美五区，制備了一種新型耐水性膠粘劑，研究了共聚單體對(duì)乳液性能的影響欧美大片aaaaa级，并采用DSC在线看中文字幕、透射電鏡等對(duì)乳液結(jié)構(gòu)及性能進(jìn)行了測(cè)試。

A new kind of non-formaldehyde water-resistant emulsion is prepared by modifying polyvinyl acetate with the surfactant-free copolymerization to polymerize vinyl acetate and the acrylic acid monomers,and then by using oxaldehyde to make the emulsion crosslinked to form a kind of net structure.

通過(guò)醋酸乙烯酯共聚的改性方法免费看羞羞漫画，用醋酸乙烯與丙烯酸系單體共聚婷婷激情偷拍自慰，采用無(wú)皂乳液聚合，后用乙二醛交聯(lián)男人天堂.com免费，使乳液形成網(wǎng)絡(luò)結(jié)構(gòu)免费进的黄色网站，制備了一種無(wú)甲醛的新型耐水性乳液。

The optimum reaction condition of NaClO oxidative pretreating and viny acetate acetylating technique has been determined according to sizing property, that further improves the function of acetylated starch size and expands its application in warp sizing .

對(duì)醋酸淀粉酯的變性工藝進(jìn)行了系統(tǒng)的研究和探討久久激情免费视频，以漿紗性能為依據(jù)欧美首页，確定了次氯酸鈉氧化預(yù)處理工藝和醋酸乙烯酯乙酰化工藝的最佳反應(yīng)條件黄色视频插，進(jìn)一步提高了醋酸淀粉酯漿料的性能欧美精品黄页在线观看2区，擴(kuò)大了醋酸淀粉酯在紡織經(jīng)紗上漿中的應(yīng)用

A new technology was put forward of grafting vinyl acetate and starch acetate with high degrees of substitution copolymerized to prepare a kind of biodegradable material.

提出了以高替代率的淀粉醋酸酯與醋酸乙烯酯接枝共聚制備生物降解淀粉塑料的新工藝，研究了不同工藝條件對(duì)共聚反應(yīng)的影響久久精品官网。

The purpose of this work is to synthesize hydrophilic photosensitive polymers which possess high photosensitivity and at the same time high water resistance to fulfill the requirements of making screen printing plate for manufacturing electronic circuit board and thick film for integrated circuit and so on.

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The purpose of this work is to synthesize hydrophilic photosensitive polymers which possess high photosensitivity and at the same time high water resistance to fulfill the requirements of making screen printing plate for manufacturing electronic circuit board and thick film for integrated circuit and so on.

用重氮樹脂為光敏劑亚洲无玛黄色视频在、聚乙烯醇和聚醋酸乙烯酯為成膜劑制作了感光性樹脂尤物成人高清在线观看网址大全，研究了聚醋酸乙烯酯對(duì)提高感光性樹脂的耐水性的作用以及其對(duì)體系感度的影響国产操B在线视频。