松香
- rosin;gum rosin;colophony;collophony
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[gum rosin;colophony] 从松树的含油树脂蒸去了挥发的松节油后的透明固体物质,硬而脆,黄色或棕色,用作工业原料
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聚丙烯酸酯乳液和增粘树脂松香、C5石油树脂乳液共混,用共混液涂布成压敏胶带。
Polyacrylate emulsion was blended with tackifier resin such as rosin emulsion , C_5 petroleum resin emulsion .
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超临界CO2条件下催化合成聚合松香及氢化松香的研究【药】醋酸泼尼松,去氢可的松,强的松
Study on Synthesis of Polymerized Rosin and Hydrogenated Rosin in Supercritical Carbon Dioxide ; prednisone acetate
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采用罗维邦自动比色仪可以直接测定固体脂松香的加纳色度值和颜色级别。同时与E型罗维邦比色仪和中国松香颜色分级玻璃标准色块测定的结果进行比较。
Gardner chromaticity value and color grade of solid gum rosin was determined with a Lovibond automatic colorimeter .
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加成量为w=15%的马来松香和富马松香的改性度均为37%;
The DM of maleic rosin and fumaric rosin with a dosage of 15 percent is 37 % ;
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松香酯树脂改性多异氰酸酯预聚物是松香在PU涂料中应用的一个途径。
One of applications of rosin in PU paint is rosin ester resin modified polyisocyanate prepolymer .
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采用热分析及气相色谱方法研究了Pd/C催化松香脱氢反应的最佳温度和反应时间。
The best reaction temperature and time of the Pd / C catalytic dehydrogenation of rosin was stud-ied by thermal analysis and gas chromatograph .
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超临界CO2条件与常规条件下反应产物相比较,产品中枞酸、去氢枞酸含量都较常规条件下的氢化松香产品低。
Comparison of results in scCO_2 with those in conventional conditions showed that the product contained lower of abietic and hydro abietic acid .
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研究了各湿部单因素对EM-505型分散松香胶施胶效果的影响。
The effect of wet_end single factor on sizing effect of highly dispersed anionic rosin acid size EM_505 was investigated .
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以松香为基本原料,通过DA加成反应,合成了丙烯酸改性松香,继而与环氧氯丙烷进行酯化反应、闭环反应,合成了丙烯酸改性松香基环氧树脂。
Acrylic modified rosin type epoxy resin was synthesized by esterification and ring closing reaction of acrylic modified rosin with excessive epichlorohydrin .
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活性白土催化松香反应产物的GC-MS分析
Characterization of the acid and neutral compounds from reaction products of rosin catalytic reaction on activated clay by GC-MS
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阐述了我国松香工业在加入WTO后呈现出的4大特点,指出了行业当前仍存在的主要问题,并为松香行业的健康发展提出了相应的对策。
The present paper described four characteristics of China rosin industry while joined to WTO . It also discussed major problems and related countermeasures for the development of China rosin industry .
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阳离子分散松香胶在MOW脱墨浆中的应用
Application of Cationic Rosin Size in MOW De-inked Pulp
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为了适应中性松香造纸施胶的发展,聚合氯化铝(PAC)、碱式聚合硅酸硫酸铝(PASS)、聚胺和硫酸铝-阳离子聚合物体系等新沉淀剂被开发和研究。
New retention aids , polyaluminium chloride ( PAC ), polyaluminium silicate sulfate ( PASS ), polyamines and alum_cationic polymer system have been developed for neutral rosin sizing .
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以松香、反丁烯二酸(FA)、烷基酚、多聚甲醛、季戊四醇等为原料,采用松香改性酚醛树脂一步法的合成工艺进行树脂的合成研究。
The resin was synthesized by one-step process employing rosin , fumaric acid ( FA ), alkyl-hydroxybenzene , polyphosphate formaldehyde and pentaerythritol as raw materials .
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将松脂或松香溶于溶剂中,以Pd/C为催化剂,≤200℃反应,可得色泽浅与不皂化物含量低的歧化松香。
A light color disproportionated rosin with low content of unsaponifiable matters was obtained by dissolving gum rosin or gum resin into solvents , and reacting at ≤ 200 ℃ with Pd / C as catalyst .
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因系统中松香液体流速不稳,切换提前时间难以确定,本文采取了模糊PID控制算法对切换提前时间进行控制,对模糊PID控制器进行了设计。
Because in the system the rosin current capacity is not steady , it is difficult to determine the cut advance time , this article adopts the fuzzy PID control algorithm to control the cut advance time .
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研究了稀土金属氧化物及其与ZnO的混合物对聚合松香与甘油酯化反应的催化作用,并与传统固体酸催化剂ZnO比较,探讨了时间、催化剂的种类及用量等反应条件对聚合松香酯化反应的影响。
The esterification of polymerized rosin and glycerol with rare earth metal oxides was studied , and a comparative test was done with the traditional catalyst ZnO . The factors affecting the reactions were discussed in detail .
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本文对采用聚合氯化铝(简称PAC)和分散松香胶(简称DRS)进行中性施胶作了初步的探讨。
The technology of neutral sizing with dispersed rosin sizes ( DRS ) and polyaluminum chloride ( PAC ) as a precipitating agent was studied primarily in this paper .
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研究六甲氧基甲基三聚氰胺(HMMM)与松香树脂酸的反应。
The reaction between Hexakis ( methoxymethyl ) melamine ( HMMM ) and rosin acids at differ-ent molar ratios was studied .
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介绍一种以SBS(苯乙烯-丁二烯-苯乙烯)热塑性弹性体、松香、橙芳香精及多种原料合成的食品袋复合膜用粘合剂的工艺及其特点。
SBS thermoplastic elastomer , rosin , orange essential oil and many other raw materials are used for the synthesis of the adhesive used for food bag complex film . The technology and characteristics are introduced .
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实验结果表明,阳离子松香中性施胶剂质量稳定、施胶效率高、可用于中性条件下施胶,在pH值6.0~8.0的范围内能获得满意的施胶效果。
The experimental results show that the quality of the cationic rosin neutral sizing agent is stable in quality , high in sizing efficiency , can be used for sizing in neutral conditions and satisfactory sizing effect can be achieved when pH value is between 6.0-8.0 .
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DM-130大孔树脂固定脂肪酶催化松香酯化反应的研究
Immobilized-Lipase-Catalyzed Esterification of Abietic Acid by DM-130 Wide-Aperture Resin
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以歧化松香为主要原料,在较低的温度(75~95℃)下,溶入KOH水溶液,并进行皂化反应,制备固体份质量分数45%的歧化松香钾皂。
Potassium soaps of disproportionated rosin containing 45 % total solids were prepared by dissolving disproportionated rosin in potassium hydroxide solution at low temperature ( 75 ~ 95 ℃) and then saponifying .
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试验研究表明:松香胶泡沫剂的原材料质量要求可以放宽,碱以采用Na2CO3为好;
Test research shows that quality requirement for the raw material of rosin foaming agent may be relaxed and alkali suitable for use is Na2CO3 ;
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新型低泡高效乳液松香施胶剂EP-03在牛皮箱板纸上的应用
EP-03 High Molecule Dispersed Rosin Size Used in Kraft Paperboard
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用松香和马来酸酐加成物-马来海松酸酐与芳香族二异氰酸酯反应制备了聚酰胺亚胺(PAI)烘漆,进一步用己内酰胺共聚改性。
S A polyamideimide ( PAI ) coating was synthesized from the reaction of rosin maleic anhydride ( RMA ) adduct with di isocyanates , and modified by means of copolymerization with caprolactam .
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松香中性胶AS39用于中性双胶纸生产的实践与体会
The application of neutral size of rosin emulsion AS 39 to the production of neutral offset paper
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近中性分散松香施胶剂CEN-3在铜版原纸上的应用
The Application of Dispersed Rosin Size CEN-3 at Weakly Acidic pH in Making the Base Coated Paper
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采用脂肪醇聚氧乙烯醚(AEO)和烷基酚聚氧乙烯醚(Tx)系列琥珀酸酯磺酸盐作乳化剂,制备高浓度分散松香胶。
In the preparation of high density dispersion rosin size of high solid content , alcohol ether and phenolic ether sulfosuccinates ( AE O and Tx ) are used as emulsifier .
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XQ-CR系列造纸松香胶的应用研究
Study on the application of the XQ-CR rosin size