公开(公告)号：JPH11279336A

公开(公告)日：1999-10-12

申请号：JP34142198

申请日：1998-12-01

Applicant: Jsr Corp ,  ジェイエスアール株式会社

Inventor： KURITA OSAMU ,  YAMAGUCHI TOMOYUKI ,  ISHIKAWA OSAMU ,  TSURUOKA KATSUHIKO

IPC: C08L9/10 ,  C08F2/38 ,  C08F236/04 ,  D21H19/20

Abstract: PROBLEM TO BE SOLVED: To provide a copolymer latex useful as a binder for paper coating compositions, which improves the surface strength of the coated paper, has a high water resistance, ink drying property and print gloss, has a good coating workability with an improved sticking inhibiting property and yields a coated paper which exerts the above-mentioned high printability at a wide range of printing speed.
SOLUTION: The latex is obtained by emulsion-polymerizing a monomer comprising (a) from 20 to 80 wt.% aliphatic conjugated diene monomer, (b) from 0.1 to 10 wt.% ethylene unsaturated carboxylic acid monomer and (c) from 10 to 79.9 wt.% other monomers copolymerizable with monomer (a) and monomer (b). This emulsion polymerization is carried out in the presence of diphenyl ethylene and/or nuclear substitution product thereof. The copolymer has at least one glass transition temperature within the range of from -100 to 60°C, and the difference ΔT between the lowest temperature T1 and the highest temperature T2 within the transition area in the thermogram obtained using the differential scanning calorimeter is 30°C or more preferably 35°C or more.
COPYRIGHT: (C)1999,JPO

Abstract translation: 要解决的问题：为了提供可用作纸涂层组合物的粘合剂的共聚物胶乳，其改善了涂布纸的表面强度，具有高耐水性，油墨干燥性能和印刷光泽度，具有良好的涂布可加工性，并具有改进的 并且产生在宽的印刷速度范围内发挥上述高可印刷性的涂布纸。 解决方案：通过将包含（a）20至80重量％的脂族共轭二烯单体，（b）0.1至10重量％的乙烯不饱和羧酸单体和（c）10至10重量％的单体乳液聚合， 79.9重量％可与单体（a）和单体（b）共聚的其它单体。 该乳液聚合在二烯乙烯和/或其核取代产物存在下进行。 该共聚物的玻璃化转变温度至少在-100〜60℃的范围内，使用差示扫描量热计得到的热分析图的过渡区域内的最低温度T1与最高温度T2之差ΔT为 30℃以上，更优选35℃以上。

公开(公告)号：JP2006183209A

公开(公告)日：2006-07-13

申请号：JP2004380114

申请日：2004-12-28

Applicant: Jsr Corp ,  Jsr株式会社

Inventor： WATANABE TAKESHI ,  SAKATA KATSUHIKO ,  ISHIKAWA OSAMU

IPC: D21H19/42 ,  D21H27/00

Abstract: PROBLEM TO BE SOLVED: To provide a composition which is used for coating electrophotographic printing paper, has good productivity, when coated at a high speed, and can give the coated electrophotographic printing paper having excellent image qualities, traveling property, and blistering resistance, when electrophotographs are printed.
SOLUTION: This composition for coating the electrophotographic printing paper comprises a pigment and a binder. The pigment comprises (a) 50 to 90 pts.mass of an inorganic pigment comprising kaolin clay and/or calcium carbonate, (b) 10 to 50 pts.mass of a solid plastic pigment which contains 2 to 20 mass% of an aliphatic conjugated diene monomer and has a lowest film-forming temperature (MFT) of ≥50°C, and (c) 0 to 10 pts.mass of a hollow plastic pigment [(a)+(b)+(c)=100 pts.mass].
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：为了提供用于电子照相印刷纸的涂布的组合物，当高速涂布时具有良好的生产率，并且可以给出具有优异的图像质量，行进性能和起泡性的涂布的电子照相印刷纸 当电子照相印刷时电阻。 该溶液用于涂布电子照相印刷纸的组合物包括颜料和粘合剂。 颜料包含（a）50-90重量份的包含高岭土和/或碳酸钙的无机颜料，（b）10至50重量份的固体塑料颜料，其含有2至20质量％的脂族共轭 二烯单体，并且具有≥50℃的最低成膜温度（MFT），和（c）0至10个中空塑料颜料[（a）+（b）+（c）= 100）。 质量。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2006117954A

公开(公告)日：2006-05-11

申请号：JP2005363368

申请日：2005-12-16

Applicant: Jsr Corp ,  Jsr株式会社

Inventor： KAJIWARA ICHIRO ,  ISHIKAWA OSAMU ,  TSURUOKA KATSUHIKO

IPC: C08F236/04 ,  C08F2/24

Abstract: PROBLEM TO BE SOLVED: To provide a copolymer latex which can give coated paper having excellent surface strength, water resistance, ink dryability, print gloss and antitack properties, and exhibiting excellent operability in coating.
SOLUTION: The copolymer latex is obtained by emulsion-polymerizing a mixture comprising (a) 20-80% by weight of aliphatic conjugated diene monomer, (b) 0.5-10% by weight of ethylenically unsaturated carboxylic acid monomer, and (c) 10-79.5% by weight of another monomer copolymerizable with monomers (a) and (b). The copolymer has one glass transition temperature in the range of -100 to 60°C, a range of the transition region of 20°C or above and satisfies following formula 1, -0.1≤(logE2-logE1)/(T2-T1)≤-0.01, wherein T1 is the temperature at the boundary between the glass region of the copolymer and its transition region, T2 is the temperature at the boundary between the transition region and a rubbery region, in which E1 and E2 are each the modulus of elasticity of the copolymer at temperature T1 and T2 respectively.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种能够得到表面强度，耐水性，油墨干燥性，印刷光泽度和防粘性能优异的涂布纸并且在涂布中表现出优异的可操作性的共聚物胶乳。 解决方案：共聚物胶乳通过将包含（a）20-80重量％的脂族共轭二烯单体，（b）0.5-10重量％的烯属不饱和羧酸单体和（ c）10-79.5重量％的可与单体（a）和（b）共聚的另一种单体。 该共聚物的玻璃化转变温度范围为-100〜60℃，过渡区域的范围为20℃以上，满足下式1，-0.1≤（logE2-logE1）/（T2-T1） ≤-0.01，其中T1是共聚物玻璃区域与其过渡区域之间的边界处的温度，T2是过渡区域和橡胶状区域之间边界处的温度，其中E1和E2各自为 分别在T1和T2温度下共聚物的弹性。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2006052365A

公开(公告)日：2006-02-23

申请号：JP2004236700

申请日：2004-08-16

Applicant: Jsr Corp ,  Jsr株式会社

Inventor： TSUKIMAWASHI KEISUKE ,  WAKAMORI MASABUMI ,  ISHIKAWA OSAMU

IPC: C08F291/12 ,  C08F2/22 ,  C08K3/00 ,  C08L51/06 ,  D21H19/58 ,  D21H19/82

Abstract: PROBLEM TO BE SOLVED: To provide a copolymer latex capable of providing a coated paper having excellent printing suitability such as coating operability, surface strength, printed gloss and ink-drying properties. SOLUTION: The copolymer latex contains a core-shell type copolymer comprising 70-95 mass% core parts comprising a copolymer having the following structural units, and 30-5 mass% shell parts arranged around the core parts and comprising a copolymer having the following structural units, and having 70-150 nm average particle diameter: the core part: 45-70% structural unit derived from an aliphatic conjugated diene monomer, 30-55% structural unit derived from a vinyl cyanide monomer, 0-2% structural unit derived from an ethylenically unsaturated carboxylic acid monomer, and 0-25% structural unit derived from other monomers; and the shell part: 50-95% structural unit derived from an aromatic vinyl monomer, 5-20% structural unit derived from an ethylenically unsaturated carboxylic acid monomer and 0-45% structural units derived from other monomers. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供能够提供涂布操作性，表面强度，印刷光泽度和油墨干燥性能等优异的印刷适应性的涂布纸的共聚物胶乳。 解决方案：共聚物胶乳含有核 - 壳型共聚物，其包含70-95质量％的核心部分，其包含具有以下结构单元的共聚物，以及30-5质量％的外壳部分布置在芯部周围，并且包含具有 以下结构单元，平均粒径为70-150nm：核心部分：衍生自脂族共轭二烯单体的45-70％结构单元，衍生自乙烯基氰单体的30-55％结构单元，0-2％ 衍生自烯键式不饱和羧酸单体的结构单元和衍生自其它单体的0-25％结构单元; 壳部分：衍生自芳族乙烯基单体的50-95％结构单元，衍生自烯属不饱和羧酸单体的5-20％结构单元和衍生自其它单体的0-45％结构单元。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2003277546A

公开(公告)日：2003-10-02

申请号：JP2002089662

申请日：2002-03-27

Applicant: Jsr Corp ,  Jsr株式会社

Inventor： YOSHINO HIROYUKI ,  ISHIKAWA OSAMU

IPC: C08L9/10 ,  C08F236/14 ,  C08K5/01 ,  D21H19/58

Abstract: PROBLEM TO BE SOLVED: To provide a copolymer latex useful as a binder of a paper coating composition which emits less odor during the production of a coated paper, gives a less odorous coated paper, is excellent in printability such as coating operability, surface strength, print gloss, ink driability, surface smoothness, and gloss of unprinted paper, and can give a coated paper exhibiting the above printability over a wide range of a printing speed.
SOLUTION: The copolymer latex is one obtained by emulsion-polymerizing a monomer mixture comprising 20-70 wt.% (a) 1,3-butadiene, 0.1-10 wt.% (b) ethylenically unsaturated monomer, and 20-79.9 wt.% (c) other monomers copolymerizable with monomers (a) and (b), wherein the concentration of the 4-vinylcyclohexene remaining in the copolymer latex is at most 100 ppm based on the solids of the copolymer latex.
COPYRIGHT: (C)2004,JPO

Abstract translation: 要解决的问题：为了提供一种可用作在涂布纸生产过程中发出较少气味的纸张涂料组合物的粘合剂的共聚物胶乳，产生较少恶臭的涂布纸，具有优异的可印刷性，例如涂布操作性， 表面强度，印刷光泽度，油墨干燥性，表面平滑性和未印刷纸的光泽度，并且可以在宽的印刷速度范围内给出具有上述印刷性的涂布纸。 解决方案：共聚物胶乳是通过将包含20-70重量％（a）1,3-丁二烯，0.1-10重量％（b）烯属不饱和单体和20重量％ 79.9重量％（c）可与单体（a）和（b）共聚的其它单体，其中残留在共聚物胶乳中的4-乙烯基环己烯的浓度基于共聚物胶乳的固体为至多100ppm。 版权所有（C）2004，JPO

公开(公告)号：JP2001146694A

公开(公告)日：2001-05-29

申请号：JP32805399

申请日：1999-11-18

Applicant: JSR CORP

Inventor： KURITA OSAMU ,  MIYAJIMA FUMINAO ,  ISHIKAWA OSAMU

IPC: C08F236/12 ,  D21H19/42 ,  D21H19/58 ,  D21H21/54

Abstract: PROBLEM TO BE SOLVED: To obtain a copolymer latex for paper coating, capable of providing the coated paper having extremely improved adhesive strength, and excellent in coated paper properties such as the gloss of print, and in operability of coating, such as redispersibility, mechanical stability and stickiness-preventing properties, and further to provide a method for producing the copolymer latex and to obtain a composition for paper coating. SOLUTION: This copolymer latex for paper coating contains >=31% components detected at the time earlier than the elution time corresponding to 1,000,000 molecular weight expressed in terms of a polystyrene in the molecular weight distribution measured by a gel permeation chromatography(GPC). The weight average molecular weight of the components detected at the time later than the elution time corresponding to 1,000,000 molecular weight expressed in terms of the polystyrene is 30,000-400,000, and the content of components therein insoluble in toluene is >=31 wt.%.

公开(公告)号：JP2001031726A

公开(公告)日：2001-02-06

申请号：JP20667899

申请日：1999-07-21

Applicant: JSR CORP

Inventor： KURITA OSAMU ,  TAKESHITA KOSUKE ,  ISHIKAWA OSAMU

IPC: C08L9/10 ,  C08F2/22 ,  C08F236/04 ,  C08F246/00 ,  C08L101/00 ,  C08L101/16 ,  D21H19/58

Abstract: PROBLEM TO BE SOLVED: To provide a copolymer latex for obtaining a compsn. for paper coating which has bond strength and blister resistance which are excellent and balanced with each other, which has excellent print gloss and which is free from sticking at the time of paper coating, and a compsn. for paper coating thereof. SOLUTION: This copolymer latex comprisies (a) 10-60 wt.% of an aliph. conjugated diene monomer unit, (b) 0.15-10 wt.% of an amide group-contg. ethylenically unsatd. monomer unit, (c) 0.1-3 wt.% of an ethylenically unsatd. carboxylic acid monomer unit and (d) 27-89 wt.% of another monomer unit copolymerizable with these, and the wt. ratio of the component (b) to the component (c) is 1.5 or more, and the amt. of a toluene-insol. portion of the copolymer obtd. by coagulating the latex with an alcohol at a regulated pH of 8 followed by drying minus the amt. of a toluene-insol. portion measured in the same way at a regulated pH of 2, is not more than 30 wt.%.

公开(公告)号：JPH11189627A

公开(公告)日：1999-07-13

申请号：JP36778197

申请日：1997-12-26

Applicant: JSR CORP

Inventor： KAJIWARA ICHIRO ,  ISHIKAWA OSAMU ,  TSURUOKA KATSUHIKO

IPC: C08F2/22 ,  C08F236/04 ,  D21H19/56 ,  D21H19/58

Abstract: PROBLEM TO BE SOLVED: To obtain a copolymer latex which can give coated paper having markedly improved surface strength, excellent water resistance, ink dryability, and print gloss, having excellent printability over a wide range of printing speed, and exhibiting excellent operability in coating because of improved antitack properties. SOLUTION: There is provided a copolymer latex obtained by emulsion- polymerizing a mixture comprising (a) 20-80 wt.% aliphatic conjugated diene monomer, (b) 0.5-10 wt.% ethylenically unsaturated carboxylic acid monomer, and (c) 10-79.5 wt.% another monomer copolymerizable with monomers (a) and (b), wherein the copolymer has one glass transition temperature in the range of -100 to 60 deg.C, a range of the transition region of 20 deg.C or above and satisfies the following formula: -0.1

公开(公告)号：JPH10245450A

公开(公告)日：1998-09-14

申请号：JP6748197

申请日：1997-03-06

Applicant: JSR CORP

Inventor： SHIHO KOUJI ,  YAMASHITA TAKANORI ,  ISHIKAWA OSAMU ,  TSURUOKA KATSUHIKO

IPC: C08L9/10 ,  C09D109/00 ,  D21H19/56 ,  D21H19/58

Abstract: PROBLEM TO BE SOLVED: To obtain both a copolymer latex, improved in high-speed coating suitability and high-speed fluidity when used especially in a composition for coating paper, excellent in mechanical stability and properties for preventing stickiness and excellent in coated paper performances such as adhesive strength, printing gloss and rigidity, and a composition for coating paper using the copolymer latex. SOLUTION: This copolymer latex obtained by carrying out the emulsion copolymerization of a monomer mixture comprising (a) 20-80wt.% aliphatic conjugated diene-based monomer, (b) 0.5-8wt.% water-soluble ethylenic monomer and (c) 20-79.5wt.% other vinylic monomers using (d) a water-soluble polymerization initiator [with the proviso that the total amount of the components (a), (b) and (c) is 100wt.%]. The product of the amount (wt.%) used of the component (b) based on the total monomer and the amount (wt.%) used of the component (d) based on the total monomer is within the range of 0.1-8. The average particle diameter is 50-150nm. A composition for coating paper comprises the copolymer latex.

公开(公告)号：JP2010053347A

公开(公告)日：2010-03-11

申请号：JP2009165015

申请日：2009-07-13

Applicant: Jsr Corp ,  Jsr株式会社

Inventor： TSUKIMAWASHI KEISUKE ,  KITAGUCHI HIRONORI ,  ISHIKAWA OSAMU ,  YOSHINO HIROYUKI ,  TANIGUCHI KOTA

IPC: C09J133/00 ,  C09J7/00 ,  C09J7/02 ,  C09J11/06 ,  C09J11/08 ,  C09J109/00 ,  C09J125/04 ,  C09J201/02 ,  G02B5/02

CPC classification number: C09J133/08 ,  C08K7/16 ,  C09J7/22 ,  C09J7/38 ,  C09J9/00 ,  C09J2203/318 ,  C09J2205/102 ,  C09J2433/00 ,  G02B5/02 ,  G02F1/133606 ,  G02F2202/28

Abstract: PROBLEM TO BE SOLVED: To provide a light-diffusing pressure-sensitive adhesive composition capable of forming a light-diffusing pressure-sensitive adhesive layer causing no gas expansion and the like, having pressure-sensitive adhesive performance with good durability, excellent in balance of light transmittance and diffusive properties and having antistatic properties. SOLUTION: The light-diffusing pressure-sensitive adhesive composition includes an aqueous emulsion containing polymer particles (A-1) comprising acrylic copolymer (A), organic particulates (B), a curing agent (C) curing the acrylic copolymer (A) and a quaternary ammonium compound (D). COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 解决的问题：为了提供能够形成不产生气体膨胀等的光扩散性压敏粘合剂层的光扩散压敏粘合剂组合物，具有耐久性好的压敏粘合剂性能，优异的 平衡透光率和漫射性能并具有抗静电性能。 光扩散性压敏粘合剂组合物包括含有丙烯酸共聚物（A），有机颗粒（B），固化丙烯酸共聚物（C）的固化剂（C））的聚合物颗粒（A-1） A）和季铵化合物（D）。 版权所有（C）2010，JPO＆INPIT