覆膜

BRUNELL, Polish bid is generally not more than half of the film covering, so the cost is no longer the dominant forms of traditional plastic mulch.

在业内，上光的报价一般不超过覆膜的一半，所以成本上传统覆膜已不占优势。

Film or paper surface dirty, and wrapped it into the dust or clear plastic mulch films after the crease or relaxation phenomena, film hemming switched to a new membrane drying temperature is too high, adhesive surface crust adjust oven temperature, clear crusts partⅱ thermotolerance cohesion and not enough use better glue wrinkle of polymer-coated film transfer after the roll is not the proper balance of films at both ends are inconsistent or wave; adjustment layer of polymer-coated machine too thick, solvent evaporation incomplete, viscosity, pressure drum extrusion, paper (Business card printing and membership card making products) and films between slide to adjust the film covering technology electrothermic roll and rubber roller ends is not plain, pressure is inconsistent, ranging from the adjustment of the linear speed of the machine after the temperature inside the plastic mulch film covering the subject in yellow glue resin particularly resin or additives not resistant to ageing, in the light, heat, under the influence of ultraviolet radiation, chemical change, build the pigments should be switched to a new glue

薄膜或纸张表面不干净，裹入灰尘或杂质清除后再行覆膜薄膜有折皱或松驰现象，薄膜卷边换用新膜干燥温度过高，粘合剂表面结皮调整烘道温度，清除结皮胶的粘接力和耐热性不够换用更好的胶水覆膜后起皱薄膜传送辊是否不平衡；薄膜两端松紧不一致或波浪边；调整覆膜机器胶层过厚，溶剂蒸发不彻底，影响了粘度，受压力滚筒挤压，纸张与薄膜之间产生滑动调整覆膜工艺电热辊与橡胶辊两端不平、压力不一致、线速度不等调整覆膜机器覆膜后易变黄胶水中的主体树脂特别是一些增粘树脂或助剂不耐老化，在光、热、紫外线的影响下，发生化学变化，生成有色物质应换用新胶水

Avoid foaming of polymer-coated products are covered with plastic film in attention.

避免覆膜后的产品起泡也是覆膜中应引起重视的问题。

Of high quality: from high-strength T-PUR gum resin coated products are generally no wrinkles, foaming, self-crimping and so a high degree of automation, you can effectively control and make sure that the tension of the paper and film, automatically subject to unanimous doublescraper guarantees that business card printing and membership card to make a clean clear powder injection; automatic quality thermal breaking film minithoracotomy btsl PUR glue good fluidity and adsorption capacity, does not exist at the time of processing and cold glue in the confrontation, can accommodate 40 ~ 250 ° c temperature for more than a quantitative in 100g／m has a good effect as a result of plastic withattached thin, smooth.

5成本低：薄膜与胶黏剂材料均已国产化，价格较低且每平方米只需4g左右的PUR胶，涂层厚度为 3～4 m ，价格在0 36～0 39元／平方米。在引用PUR胶即涂覆膜设备的同时，为了更深入了解和证实这种设备工艺的先进可靠性，笔者曾在去年1 2月前往香港对使用PUR胶即涂覆膜设备5年多的大诚纸品覆膜有限公司进行了实地参观考察，了解几年来该设备的使用情况。

In this paper, the Iron-oxide-coated sand absorption character prepared in different temperatures was studied, mainly tested its absorb hexad chromium, and the inherent reason that formed this differences was explained.

本文研究了不同温度下制备的铁覆膜砂吸附性能的差异，对铁覆膜砂吸附Cr的性能进行了综合的测试，说明了形成这些差异的内在原因制备温度对IOCS的吸附性能有显著影响，一般低温制备的IOCS要比高温制备的铁覆膜砂吸附性容量较大，去除效率较高；覆盖在石英砂表面的铁氧化物在不同的焙烧温度下形成了不同的物质，110℃的低温一般形成FeOOH，而600℃高温下形成的则为α-Fe2O3。

A high temperature super-conduction clad-film conductor and its preparation method relates to the method combining an IBAD technology with chemical solution method filming technology.

要約 一种高温超导覆膜导体及其制备方法，具体涉及一种采用离子束辅助沉积工艺与化学溶液法制膜工艺相结合来制备的高温超导覆膜导体及其制备方法，属于高温超导覆膜导体及其制备领域。

Need laminating of gilded with gold foil often worry about is easy to clean the first hot stamping and then covered with plastic film, which produce: cyclophos phamide sub-gloss film will destroy the anodized finish, not water soluble glue film covering, or it will cause anodized surface nigrescent, at the same time easy to cause we recreate the stuck to the pictures and texts issued on virtual phenomenon caused by the edge.

需要覆膜加工的烫金，人们常担心金箔容易擦落而先烫印再覆膜，这易造成：①薄膜会破坏电化铝表面光泽性，不宜采用水溶性胶水覆膜，否则会造成电化铝表面发黑，同时极易造成金粉粘在图文边缘造成发虚现象。

Electronic laminating machine this behavior particularly acute exceeded the critical temperature to master film covering the work area, not only complex, as well as well so that the markinf matozoa near the cross-linking reaction, matozoa issued the curing approximate hard, so that when it again when heated intenerated reluctant, covered with plastic film operation the correct temperature control methods, and that is fine is extremely close to master the cross-linking reaction temperature of the resin coated temperature.

电子复膜机这种现象特别明显）恰到好处地掌握覆膜温度临界工作区域，不仅复合效果好，同时还使热熔胶体接近交联反应的热点，胶体的固化近似发硬、这样当其再度受热时就不会轻易软化，覆膜操作正确的温度控制方法，就是精细掌握这种极为接近交联反应温度的覆膜温度。

PLB series thermal laminator has big rollers and powerful pneumatic pressure which produce superb lamination results for wide range of prints.

PLB系列气动式覆膜机采用大滚筒及下顶式施压机构，覆膜压力大，覆膜效果好，对消除雪花等覆膜难题具有很好的效果。

The results show that: the tensile strength, flexural strength and flexural modulus increase by about 10.4%, 62.1% and 122.3% respectively when the mass fraction of the aluminum powder increases from 0 to 50%, while elongation at break and impact strength decrease by about 65.0 and 74.4% respectively; the tensile strength, elongation at break and impact strength all increase with decreasing the particle sizes of the aluminum powders.b Nylon-12 coated metal powders for the indirect SLS process were prepared by the dissolution precipitation process. The coated powders have only 1.0 wt% nylon-12, and their SLS green parts have sufficient strength for features as small as 1.0 mm to be built and post-processed and high dimensional accuracy. The green parts were subjected to the post processing processes including binder decomposition and infiltration of epoxy resin, and then the metal/polymer composite parts with relatively high strength and accuracy were formed.At present, micron-scale inorganic fillers have been widely used to reinforce nylon SLS parts.

将该法制备的尼龙12覆膜金属粉末用于以下两个方面：a使用铝粉增强尼龙12的SLS成形件，通过溶剂沉淀法制备尼龙12覆膜铝复合粉末，研究了铝粉含量及粒径对SLS成形件性能的影响，结果表明：铝粉分散均匀，并与基体有良好的界面粘接；当铝粉含量从0增加到50wt％时，成形件的拉伸强度、弯曲强度、弯曲模量分别提高10.4％、62.1％和122.3％，冲击强度和断裂伸长率下降65.0％和74.4％，耐热性及尺寸精度也得到提高；断裂伸长率、冲击强度及拉伸强度均随着铝粉粒径的减小而增大。b使用溶剂沉淀法制备了间接法SLS用尼龙12覆膜金属粉末，该覆膜粉末中聚合物粘接剂的含量仅为1.0 wt％，其SLS初始形坯具有较高的精度以及足够满足后处理要求的强度，最小精细结构的尺寸达1.0 mm。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。