湿强度
- wet strength;green strength
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用本次试验合成的UF胶粘剂压制胶合板,湿强度完全达到了国家标准要求,湿剪切强度≥0.7MPa;
Wet strength of plywood which were made with UF resin adhesive reached the state standard ( more than 0.7MPa );
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当改性PAE用量为1.0%,助留剂APAM加入量0.3%(相对绝干浆料),浆料pH值7~8时,成纸的湿强度可达39.8%,耐折度达3435次,裂断长达7.43km。
The wet strength of the cotton pulp can reach 39.8 % , folding endurance is 3435 ( double times ) and breaking length is 7.43 km when the dosage of EA / WEP / PAE is 1.0 % and the retention aid APAM is 0.3 % .
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采用改性淀粉胶主剂/酚醛树脂复合胶制备的胶合板的胶合湿强度随酚醛树脂的含量的增加逐渐增加,当含量高于60%时,胶合板性能达到国家II类板水平。
The gluing properties of composite adhesives of main agents of acorn starch-based adhesives and phenolic resin increased with an increase of phenolic resin content . The tensile wet strength exceeded the level of national II plywood .
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PSF/ER合金膜中ER占30%时,可以得到一个满意的水通量,同时湿强度、成膜性能和耐污染性能也较好。
When the PSF / ER alloy system consists of 30 % ER , the alloy membrane gives a satisfying water flux and a better mechanical strength , membrane forming and anti fouling performances .
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通过测量加入壳聚糖-丙烯酰胺接枝共聚物后纸张的湿强度等物理性能的变化规律和采用IR、SEM等分析手段对其增强机理进行了研究和探讨。
By measuring the wet tensile strength and other physical properties of the paper and using IR , SEM methods , the strengthening mechanism of the acrylamide - chitosan graft copolymer used as paper agent was studied .
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湿强度高,水含量为40%时,压力为2Mpa下粉末产率低于1%;
Pulverization ratio is below 1 % with 40 % water content under 2Mpa ;
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研究了PAE用量、热固化时间和温度对麻浆、桑皮浆和针叶木化学浆手抄薄型纸湿强度特性的影响。
The wet-strength properties of three thin handsheets made of hemp pulp , softwood pulp and mulberry pulp with the wet-strength resin ( PAE ) as the additive were studied .
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提高纸浆湿强度的最佳酶促反应条件为:酶用量16U(以每克绝干浆计),温度45℃,pH值4.5,处理时间2h。
The inactivated laccase treatment resulted no change of tensile strength . The optimal enzymatic treatment conditions of improving the wet strength were : laccase dosage 16 U for 1 g pulp , temperature 45 ℃, pH value 4.5 and reaction time 2 h.
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研究结果表明:当TDI用量10%,反应时间10min,反应温度60℃时,聚氨酯化后纸张裂断长提高了21.55%,湿强度为干强度的41.61%,耐折度提高了1.6倍;
On the conditions of dosage of TDI 10 % , reaction time 10 min and temperature 60 ℃, breaking length is elevated by 21.55 % , folding strength is raised by 1.6 times , and wet strength / dry strength is 41.61 % ;
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PGW生产工艺具有工艺简单、能耗低、水耗低、污染小和热回收率高的特点。同时浆的得率高,成浆具有较高的光散射系数、结合强度和湿强度。
The modern PGW has a lot of advantages such as : simple in process , lower energy consumption and pollution , higher heat-recovery im-proved pulp yield and light scattering coefficient , better bonding strength and wet strength .
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发现UVD助剂和UVD&PC聚合物能提高纸张的干、湿强度和不透明度,可以作为装饰纸的一种新型化学助剂。
The study shows that the UVD aid and the double polymer of UVD-PC can be used as a new chemical aid of light duty decorating paper to improve the dry , wtt strength and opacity of paper .
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发现漆酶处理AOCC浆,在显著提高纸浆湿强度性能的同时,还具有使白水中阴离子垃圾含量减少的作用,因而可降低阳离子需求量。
It was found that not only laccase treatment could improve the wet strength of AOCC , but also it would reduce the content of anionic trash in the white water , So it could notable decrease the cationic demand .
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产品的定量控制在126g/m~2,横向定量偏差在3g/m~2以内,纵横向抗张强度比在1.4以内,湿强度在0.4kN/m以上。
The basis weight is controlled 126g / m ~ 2 , the CD weight limit is within 3g / m ~ 2 , the ratio of MD tensile and CD tensile is within 1.4 , and the wet strength is above 0.4kN/m .
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漆酶活化木素提高未漂硫酸盐浆的湿强度
Improving Wet Strength of Unbleached Kraft Pulp through Laccase Catalyzed Oxidation
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双醛淀粉的性质及其提高纸湿强度的效果
The Properties of Dialdehyde Starch and Its Effect to Increase Wet Strength
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应用高分子多功能羧酸改善纸的湿强度
Application of Polymeric Multifunctional Carboxylic Acids to Improve Wet Strength
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改性三聚氰胺甲醛树脂提高纸张湿强度的研究
Improving Wet Strength of Paper by Modified Melamine-formaldehyde Resin
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一种改善纸张湿强度的新方法
A Novel Method to Improve Wet Strength of Paper
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关于膨润土型砂湿强度理论的若干分析与试验探讨
Some Analyses and Testing Research on the Green Strength Theory of the Bentonite-bonded Sand
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尤其是纸板的湿强度提高幅度较大。
Particularly , wet strength increases significantly .
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在此条件下,可生产出既有一定抗水性和湿强度,又有较好适印性的防水铜版原纸。
Waterproof offset coated paper is required to have good waterproof property , wet strength and printing property .
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采用生产快速检测方法检测育果袋纸的湿强度,可以满足生产及产品质量控制要求。
Rapid wet strength test method of fruit cultivation bag paper can be applied for production and quality control .
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在满足板坯预压性的同时胶合板的湿强度也必须达到国家标准。
At the same time prepressing property meet our needs , wet strength have to achieve the state standard .
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砂芯有满意的湿强度,砂芯硬化后强度高,抗吸潮性强,溃散性好。
The sand molds or cores bonded by the binder have high strength , good humidity resistance and excellent collapsibility .
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漆酶催化交联对纸张湿强度及纤维微细结构的影响
Effect of Crosslinking of Unbleached Soft KP Catalyzed by Laccase on Wet Strength of Paper and Change of Microstructure of Fiber
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经芬顿试剂处理后的纤维制备的纸张与未处理样相比,除撕裂指数略有所降低外,干强度和湿强度都有不同程度的增加。
Wet and dry strength of paper treated by Fenton reagent increased to some extent compared with untreated paper , except tear index .
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在纸浆中添加少量该乳液即能明显改善纸张的干、湿强度和柔软度。
The dry and wet strength and flexibility of paper will be improved significantly when add a little of the latex to the pulp before make into paper .
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通过测定水玻璃型壳的硬化动力学曲线、硬化程度和型壳湿强度,阐明水玻璃型壳硬化过程的基本规律及生产控制原理。
In this paper , the basic law of curing process and principle for production control are discussed by means of measure curing dynamic curve , curing degree and wetstrengh of ceramic shell .
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文章综述了漆酶在制浆造纸工业中应用的最新研究进展,例如漂白、造纸废水处理、去除树脂、增加湿强度等诸多方面。
In this paper , the recent research advances of laccase in papermaking industry are reviewed in detail , such as bleaching , treating waster water , removing resin , enhancing wet strength etc.
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聚合物增强快干硅溶胶在国外已有系列产品,其共同的特点是,型壳层间干燥时间大大缩短,型壳的湿强度和高温强度高,残留强度低,容易脱壳。
A series of polymer reinforced sol silicates with common features including greatly shortened drying time among molding shell layers , high green strength and temperature strength , low residual strength as well as easy shell-releasing were developed .