JP2003064335A5 - - Google Patents

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JP2003064335A5
JP2003064335A5 JP2001261343A JP2001261343A JP2003064335A5 JP 2003064335 A5 JP2003064335 A5 JP 2003064335A5 JP 2001261343 A JP2001261343 A JP 2001261343A JP 2001261343 A JP2001261343 A JP 2001261343A JP 2003064335 A5 JP2003064335 A5 JP 2003064335A5
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water
acrylic polymer
emulsion
soluble acrylic
ethylene
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JP2001261343A
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JP4821072B2 (en
JP2003064335A (en
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Priority claimed from JP2001261343A external-priority patent/JP4821072B2/en
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【特許請求の範囲】
【請求項1】 少なくとも、エチレン−酢酸ビニル共重合エマルジョン(A)、アクリル樹脂系エマルジョン(B)、及び、水溶性アクリル重合体(C)を含有してなる接着剤組成物であって、前記水溶性アクリル重合体(C)が、酸価25〜150mgKOH/gであり、数平均分子量1万〜10万であり、ガラス転移温度が−30〜50℃の範囲であり、且つ、接着剤に含まれるエチレン−酢酸ビニル共重合エマルジョン(A)、アクリル樹脂系エマルジョン(B)、及び、水溶性アクリル重合体(C)の固形分比が、80/10/10〜10/45/45重量%であることを特徴とする接着剤組成物。
【請求項2】 エチレン−酢酸ビニル共重合エマルジョン(A)が、エチレン10〜35重量%、酢酸ビニル90〜65重量%の共重合エマルジョンである請求項1記載の接着剤組成物。
【請求項3】 アクリル樹脂系エマルジョン(B)に含有される固形分のガラス転移温度が、−30〜30℃の範囲である請求項1又は2記載の接着剤組成物。
【請求項4】 アクリル樹脂系エマルジョン(B)が、反応性乳化剤の存在下で乳化重合して得られるものである請求項3記載の接着剤組成物。
[Claims]
1. An adhesive composition comprising at least an ethylene-vinyl acetate copolymer emulsion (A), an acrylic resin emulsion (B), and a water-soluble acrylic polymer (C) , The water-soluble acrylic polymer (C) has an acid value of 25 to 150 mgKOH / g, a number average molecular weight of 10,000 to 100,000, a glass transition temperature of -30 to 50 ° C, and an adhesive. The solid content ratio of the contained ethylene-vinyl acetate copolymer emulsion (A), acrylic resin emulsion (B), and water-soluble acrylic polymer (C) is 80/10/10 to 10/45/45% by weight. the adhesive composition characterized by it.
2. The adhesive composition according to claim 1, wherein the ethylene-vinyl acetate copolymer emulsion (A) is a copolymer emulsion of 10 to 35% by weight of ethylene and 90 to 65% by weight of vinyl acetate.
3. The adhesive composition according to claim 1, wherein the glass transition temperature of the solid content contained in the acrylic resin emulsion (B) is in the range of −30 to 30 ° C.
4. The adhesive composition according to claim 3, wherein the acrylic resin emulsion (B) is obtained by emulsion polymerization in the presence of a reactive emulsifier.

即ち、本発明は、少なくとも、エチレン−酢酸ビニル共重合エマルジョン(A)、アクリル樹脂系エマルジョン(B)、及び、水溶性アクリル重合体(C)を含有してなる接着剤組成物であって、前記水溶性アクリル重合体(C)が、酸価25〜150mgKOH/gであり、数平均分子量1万〜10万であり、ガラス転移温度(Tgと表記)が−30〜50℃の範囲であり、且つ、接着剤に含まれるエチレン−酢酸ビニル共重合エマルジョン(A)、アクリル樹脂系エマルジョン(B)、及び、水溶性アクリル重合体(C)の固形分比が、80/10/10〜10/45/45重量%であることを特徴とする接着剤組成物に関する。 That is, the present invention provides an adhesive composition comprising at least an ethylene-vinyl acetate copolymer emulsion (A), an acrylic resin emulsion (B), and a water-soluble acrylic polymer (C) , The water-soluble acrylic polymer (C) has an acid value of 25 to 150 mgKOH / g, a number average molecular weight of 10,000 to 100,000, and a glass transition temperature (expressed as Tg) of -30 to 50 ° C. And the solid content ratio of the ethylene-vinyl acetate copolymer emulsion (A), the acrylic resin emulsion (B), and the water-soluble acrylic polymer (C) contained in the adhesive is 80/10/10 to 10 / 45/45% by weight .

本発明で使用する水溶性アクリル重合体(C)の酸価は、25〜150mgKOH/gであり、好ましくは40〜120mgKOH/gの範囲である。重合体(C)の酸価がかかる範囲であれば、良好な目地すきと優れた耐水接着性を得ることが出来る。 The water-soluble acrylic polymer (C) used in the present invention has an acid value of 25 to 150 mgKOH / g , preferably 40 to 120 mgKOH / g. When the acid value of the polymer (C) is in such a range, good joint clearance and excellent water resistance can be obtained.

また、本発明で使用する水溶性アクリル重合体(C)の数平均分子量は、1万〜10万であり、数平均分子量がかかる範囲であれば、良好な目地すきと優れた耐水接着性を得ることが出来る。 The number-average molecular weight of the water-soluble acrylic polymer (C) used in the present invention is 10,000 to 100,000. If the number-average molecular weight is in such a range, good joint clearance and excellent water-resistant adhesion can be obtained. Can be obtained.

本発明で使用する水溶性アクリル重合体(C)のTgは、−30〜50℃の範囲であり、より好ましくは−20〜30℃の範囲である。重合体(C)のTgがかかる範囲であれば、良好な目地すきと優れた耐水接着性を得ることが出来る。 The Tg of the water-soluble acrylic polymer (C) used in the present invention is in the range of -30 to 50C, more preferably in the range of -20 to 30C. When the Tg of the polymer (C) is in such a range, good joint clearance and excellent water-resistant adhesiveness can be obtained.

本発明において、接着剤に含まれるEVAエマルジョン(A)、アクリル樹脂系エマルジョン(B)、及び、水溶性アクリル重合体(C)の固形分比が、80/10/10〜10/45/45重量%の範囲であり、好ましくは70/15/15〜20/40/40重量%の範囲である。組成(A)、組成(B)、及び組成(C)をかかる固形分比で配合することにより、目地すき、耐水接着性、初期接着性に優れる接着剤組成物を得ることが出来る。 In the present invention, the solid content ratio of the EVA emulsion (A), the acrylic resin-based emulsion (B), and the water-soluble acrylic polymer (C) contained in the adhesive is 80/10/10 to 10/45/45. % , Preferably from 70/15/15 to 20/40/40% by weight. By blending the composition (A), the composition (B), and the composition (C) at such a solid content ratio, it is possible to obtain an adhesive composition excellent in jointing, water resistance, and initial adhesion.

尚、本発明の態様は、上述したように、少なくとも、エチレン−酢酸ビニル共重合エマルジョン(A)、アクリル樹脂系エマルジョン(B)、及び、水溶性アクリル重合体(C)を含有してなる接着剤組成物であって、前記水溶性アクリル重合体(C)が、酸価25〜150mgKOH/gであり、数平均分子量1万〜10万であり、Tgが−30〜50℃の範囲であり、且つ、接着剤に含まれるエチレン−酢酸ビニル共重合エマルジョン(A)、アクリル樹脂系エマルジョン(B)、及び、水溶性アクリル重合体(C)の固形分比が、80/10/10〜10/45/45重量%であることを特徴とする接着剤組成物にかかるものである。 Incidentally, embodiments of the present invention, as described above, at least, ethylene - vinyl acetate copolymer emulsion (A), an acrylic resin emulsion (B), and, comprising a water-soluble acrylic polymer (C) adhesive A water-soluble acrylic polymer (C) having an acid value of 25 to 150 mgKOH / g, a number average molecular weight of 10,000 to 100,000, and a Tg in the range of -30 to 50 ° C. And the solid content ratio of the ethylene-vinyl acetate copolymer emulsion (A), the acrylic resin emulsion (B), and the water-soluble acrylic polymer (C) contained in the adhesive is 80/10/10 to 10 / 45/45% by weight .

JP2001261343A 2001-08-30 2001-08-30 Adhesive composition Expired - Fee Related JP4821072B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001261343A JP4821072B2 (en) 2001-08-30 2001-08-30 Adhesive composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001261343A JP4821072B2 (en) 2001-08-30 2001-08-30 Adhesive composition

Publications (3)

Publication Number Publication Date
JP2003064335A JP2003064335A (en) 2003-03-05
JP2003064335A5 true JP2003064335A5 (en) 2008-09-25
JP4821072B2 JP4821072B2 (en) 2011-11-24

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101111212B1 (en) * 2009-06-30 2012-02-15 영진산업 주식회사 Adhesive for overlapping wallpaper with improving water resistance
KR101259946B1 (en) 2011-04-30 2013-05-06 영진산업 주식회사 Water-soluble adhesive for overlapping wallpaper and the process for the same
JP2012107254A (en) * 2012-02-20 2012-06-07 Suntory Holdings Ltd Adhesive for container label, and container
JP2013173887A (en) 2012-02-27 2013-09-05 Henkel Japan Ltd Water dispersion type adhesive
KR101641038B1 (en) * 2016-04-08 2016-07-19 주식회사 태림산업 Adhesive which has an excellent cover-up or concealment
KR101943716B1 (en) * 2016-11-18 2019-01-29 주식회사 케이씨씨 The paste composition and construction method of wallpaper using the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4128287B2 (en) * 1998-12-08 2008-07-30 株式会社クラレ Emulsion composition for flame retardant foam sheet and flame retardant foam sheet
JP3809931B2 (en) * 1999-02-02 2006-08-16 アキレス株式会社 Paper wallpaper
JP3484109B2 (en) * 1999-09-13 2004-01-06 株式会社興人 Wallpaper base paper

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