JPS63303195A - Production of organic pigment for paper coating - Google Patents
Production of organic pigment for paper coatingInfo
- Publication number
- JPS63303195A JPS63303195A JP14031487A JP14031487A JPS63303195A JP S63303195 A JPS63303195 A JP S63303195A JP 14031487 A JP14031487 A JP 14031487A JP 14031487 A JP14031487 A JP 14031487A JP S63303195 A JPS63303195 A JP S63303195A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- parts
- gloss
- organic pigment
- monomer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012860 organic pigment Substances 0.000 title claims description 31
- 239000011248 coating agent Substances 0.000 title claims description 17
- 238000000576 coating method Methods 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000000178 monomer Substances 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 17
- 239000004816 latex Substances 0.000 claims description 15
- 229920000126 latex Polymers 0.000 claims description 15
- 229920001577 copolymer Polymers 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 8
- 150000001993 dienes Chemical class 0.000 claims description 5
- 229920002554 vinyl polymer Polymers 0.000 claims description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 claims description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 3
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 239000000123 paper Substances 0.000 description 22
- 239000011087 paperboard Substances 0.000 description 16
- 238000006116 polymerization reaction Methods 0.000 description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 239000008199 coating composition Substances 0.000 description 6
- 239000005995 Aluminium silicate Substances 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 235000012211 aluminium silicate Nutrition 0.000 description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000001023 inorganic pigment Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000010556 emulsion polymerization method Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- YAJYJWXEWKRTPO-UHFFFAOYSA-N 2,3,3,4,4,5-hexamethylhexane-2-thiol Chemical compound CC(C)C(C)(C)C(C)(C)C(C)(C)S YAJYJWXEWKRTPO-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229920002494 Zein Polymers 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 229940097275 indigo Drugs 0.000 description 1
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000010446 mirabilite Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N vinyl-ethylene Natural products C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 239000005019 zein Substances 0.000 description 1
- 229940093612 zein Drugs 0.000 description 1
- ISWJOCMVDARDLS-UHFFFAOYSA-L zinc;hydrogen sulfate Chemical compound [Zn+2].OS([O-])(=O)=O.OS([O-])(=O)=O ISWJOCMVDARDLS-UHFFFAOYSA-L 0.000 description 1
Landscapes
- Graft Or Block Polymers (AREA)
- Paints Or Removers (AREA)
- Paper (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
イ０発明の目的
〔産業上の利用分野〕
本発明は、塗工紙に光沢を付与するために用いられる紙
被覆用有機顔料の製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION OBJECTS OF THE INVENTION [Industrial Application Field] The present invention relates to a method for producing an organic pigment for coating paper, which is used to impart gloss to coated paper.
紙または板紙に無機顔料を塗工することにより塗工紙の
白紙光沢および白色度を向上させることが従来から行わ
れている。また、その効果をより向上させるために無機
顔料の一部を有機顔料に置換する試みがなされており、
これに加えて近年紙の軽量化のために比重の小さい有機
顔料が注目されている。BACKGROUND OF THE INVENTION It has been conventional practice to improve the white gloss and whiteness of coated paper by coating paper or paperboard with inorganic pigments. In addition, attempts have been made to replace some of the inorganic pigments with organic pigments to further improve the effect.
In addition, in recent years, organic pigments with low specific gravity have been attracting attention in order to reduce the weight of paper.
しかしながら、従来の有機顔料である特公昭４６−６５
２４号公報に提案されている様な初期一括添加の乳化重
合方法にて得られた有機顔料においては、前述の特徴、
すなわち優れた白紙光沢および白色度は認められるが、
印刷時における光沢（印刷光沢と呼ばれている）に劣り
、その改良が望まれていた。However, conventional organic pigments
The organic pigment obtained by the initial batch addition emulsion polymerization method as proposed in Publication No. 24 has the above-mentioned characteristics.
In other words, although excellent white paper gloss and whiteness are recognized,
The gloss during printing (referred to as printing gloss) is poor, and improvements have been desired.
一方、近年ビジュアル化が進むなかで、多色印刷が普及
し重ね多色印刷が行われている屑！
が、この色を重ねた際の印暴光沢（重ね印刷光沢と呼ば
れている）も重要な性質である。On the other hand, as visualization has progressed in recent years, multicolor printing has become popular and overlapping multicolor printing is being performed. However, the printing gloss when these colors are layered (called overlapping printing gloss) is also an important property.
前述の従来の有機顔料では、この重ね印刷光沢が上がら
ないという問題があり、重ね印刷光沢および印刷光沢の
両者を改良した有機顔料が望まれていた。The above-mentioned conventional organic pigments have a problem in that the overprint gloss cannot be improved, and an organic pigment that improves both the overprint gloss and the print gloss has been desired.
本発明の目的は、この重ね印刷光沢および印刷光沢に優
れた有機顔料の製造方法を提供することにある。An object of the present invention is to provide a method for producing an organic pigment that has excellent overprint gloss and print gloss.
口０発明の構成
〔本発明の構成〕
すなわち、本発明は、共役ジオレフィン系モノマー８０
〜１００重量％およびこれと共重合可能なモノマー２０
〜０重量％からなる（共）重合体ラテックス（Ａ）２０
〜６０重量部（固形分）の存在下、芳香族ビニル系モノ
マー４０〜９０重量％、アクリロニトリルおよび／また
はメタクリロニトリル１０〜４０重量％およびこれらと
共重合可能なモノマー０〜２０重量％からなるモノマー
混合物（Ｂ１８０〜４０重量部を添加して重合する（た
だし、＾）および（Ｂ）の合計は１００重量部とする）
ことを特徴とする紙被覆用有機顔料の製造方法を提供す
るものである。Configuration of the Invention [Configuration of the Invention] That is, the present invention provides a conjugated diolefin monomer 80
~100% by weight and monomers copolymerizable therewith20
(Co)polymer latex (A) consisting of ~0% by weight 20
Consisting of 40-90% by weight of an aromatic vinyl monomer, 10-40% by weight of acrylonitrile and/or methacrylonitrile, and 0-20% by weight of a monomer copolymerizable with these in the presence of ~60 parts by weight (solid content) Monomer mixture (add 180 to 40 parts by weight of B and polymerize (however, the total of ^) and (B) is 100 parts by weight)
The present invention provides a method for producing an organic pigment for paper coating, which is characterized by the following.
本発明にて得られる有機顔料を紙被覆用顔料として用い
ることにより、印刷光沢および重ね印刷光沢に優れた塗
工紙、塗工板紙が得られる。また、本発明にて得られる
有機顔料はそれ単独または無機顔料との併用の何れにお
いても使用することができる。By using the organic pigment obtained in the present invention as a pigment for paper coating, coated paper and coated paperboard with excellent printing gloss and overprinting gloss can be obtained. Furthermore, the organic pigment obtained in the present invention can be used either alone or in combination with an inorganic pigment.
以下に、本発明を更に詳しく説明する。The present invention will be explained in more detail below.
本発明の（共）重合体ラテックス（Ａ）にて用いられる
共役ジオレフィン系モノマーとしては、ｔ、ａ−ブタジ
ェン、２−メチル−１゜３−ブタジェン、２−クロロ−
１，８−メチルブタジェン等があげられ、特にり、Ｓ−
ブタジェンが好適に用いられる。また、これらは１種ま
たは２種以上併用して用いることができる。共役ジオレ
フィン糸上ツマ−は、８０〜１０Ｏ重量％の範囲で用い
られ、これが８０重量％未満の場合には得られた塗工紙
の印刷光沢および重ね印刷光沢が劣るので、好ましくな
い。The conjugated diolefin monomers used in the (co)polymer latex (A) of the present invention include t,a-butadiene, 2-methyl-1°3-butadiene, 2-chloro-
Examples include 1,8-methylbutadiene, especially ri, S-
Butadiene is preferably used. Further, these can be used alone or in combination of two or more. The amount of the conjugated diolefin yarn is used in a range of 80 to 10% by weight, and if it is less than 80% by weight, the resulting coated paper will have poor printing gloss and overprinting gloss, which is not preferred.
また、更に好ましくは共役ジオレフィン系モノマーが９
０−１００重量％の範囲である。More preferably, the conjugated diolefin monomer is 9
The range is 0-100% by weight.
本発明の（共）重合体ラテックス四に用いられる共重合
可能なモノマーとしては、スチレン、α−メチルスチレ
ン、パラメチルスチレン等の芳香族ビニル、；アクリル
酸、メタクリル酸、イタコン酸等のエチレン系不飽和カ
ルボン酸；メチルメタクリレ−ト、エチルアクリレート
、ヒドロキシエチルアクリレート等の（メタ）アクリル
酸エステル等があげられ、これらは１種または２種以上
併用して用いることができる一
本発明のモノマー混合物（Ｂｌに用いられる芳香族ビニ
ル系モノマーとしては、スチレン、α−メチルスチレン
、パラメチルスチレン等があげられ、これらは１種また
は２種以上併用して用いることができる。特に、スチレ
ンが好適に用いることができる。芳香族ビニル糸上ツマ
−の使用量は、モノマー混合物（Ｂｌを基準として４０
〜９０重量％であり、この使用量が４０重量％未満の場
合には白紙光沢および白色度が劣り、また９０重量％を
越えると印刷光沢および重ね印刷光沢が劣るので好まし
くない。Copolymerizable monomers used in the (co)polymer latex 4 of the present invention include aromatic vinyls such as styrene, α-methylstyrene, and paramethylstyrene; ethylene-based monomers such as acrylic acid, methacrylic acid, and itaconic acid. Unsaturated carboxylic acids; examples include (meth)acrylic acid esters such as methyl methacrylate, ethyl acrylate, and hydroxyethyl acrylate; these monomers of the present invention can be used alone or in combination of two or more. Examples of aromatic vinyl monomers used in the mixture (Bl) include styrene, α-methylstyrene, paramethylstyrene, etc., and these can be used alone or in combination of two or more. Styrene is particularly preferred. The amount of the aromatic vinyl thread picker used is 40% based on the monomer mixture (Bl).
If the amount used is less than 40% by weight, white paper gloss and whiteness will be poor, and if it exceeds 90% by weight, print gloss and overprint gloss will be poor, which is not preferred.
本発明のモノマー混合物（Ｂｌに用いるアクリロニトリ
ルおよび／またはメタクリロニトリルの使用量は、モノ
マー混合物ＣＢ＋を基準として１０〜４０重量％である
。この使用量が１０重量％未満の場合には、印刷光沢お
よび重ね印刷光沢が劣り、また４０重量％を越えると塗
工紙の射光（候）変色および白色度の面で好ましくない
。更に好ましい使用量は、２０〜３５重量％である。The amount of acrylonitrile and/or methacrylonitrile used in the monomer mixture (Bl) of the present invention is 10 to 40% by weight based on the monomer mixture CB+. If this amount is less than 10% by weight, printing gloss Moreover, if it exceeds 40% by weight, it is undesirable in terms of light discoloration and brightness of the coated paper.A more preferable amount is 20 to 35% by weight.
本発明のモノマー混合物（Ｂ）に用いられる共重合可能
なモノマーとじては、（共）重合体ラテックス（Ａ）に
用いられる共重合可能なモノマーと同様なモノマーがあ
げられ、これらは１種または２種以上併用して用いるこ
とができる。The copolymerizable monomers used in the monomer mixture (B) of the present invention include the same monomers as the copolymerizable monomers used in the (co)polymer latex (A), and these may be one type or Two or more types can be used in combination.
本発明の（共）重合体ラテックス（Ａ）およびモノマー
混合物（Ｈ）に用いられる共重合可能なモノマーのなか
で、エチレン系不飽和カルボン酸が（Ａ）および／また
は（ｔ３）に合計１０重量％未満共重合させた際に、最
終的に得られる有機顔料を含有せしめた紙被覆用塗料の
機械的安定性を向上させるので好ましい。また、該塗料
の機械的安定性は例えばロールコータ−等の塗工作業時
において重要な性質である。Among the copolymerizable monomers used in the (co)polymer latex (A) and monomer mixture (H) of the present invention, an ethylenically unsaturated carboxylic acid is present in (A) and/or (t3) for a total of 10% by weight. This is preferable because it improves the mechanical stability of the paper coating coating containing the organic pigment that is finally obtained when copolymerized with less than % of the organic pigment. Further, the mechanical stability of the coating material is an important property during coating operations such as a roll coater.
本発明の（共）重合体ラテックス（Ａ）およびモノマー
混合物（Ｂ）の使用量は、（Ｉｌｌ！および（Ｂ）の合
計１００重量部あたり、（Ａ）が固形分で２０〜６０重
量部、（Ｂ）が８０〜４０重量部であり、この範囲から
外れると印刷光沢および重ね印刷光沢が劣るので好まし
くない。更に、好ましくは（Ａ）が２５〜５０重量部、
（Ｂｌが７５〜５０重量部の範囲である。The amount of the (co)polymer latex (A) and monomer mixture (B) of the present invention used is 20 to 60 parts by weight as a solid content of (A) per 100 parts by weight in total of (Ill! and (B)), (B) is 80 to 40 parts by weight, and if it deviates from this range, printing gloss and overprinting gloss will be poor, so it is not preferable.Moreover, preferably (A) is 25 to 50 parts by weight,
(Bl is in the range of 75 to 50 parts by weight.
本発明にて得られる有機顔料の平均粒子径は、２５００
〜５０００Ａであることが好ましい。The average particle diameter of the organic pigment obtained in the present invention is 2500
It is preferable that it is 5000A.
本発明の有機顔料を得るための重合方法については、（
共）重合体ラテックス（Ａ）の存在下にモノマー混合物
（均を添加して重合することが必須の要件である。モノ
マー混合物ｆＢ）の添加は、初期一括添加、分割添加、
連続添加、パワーフィード添加等の何れの方法を用いて
も良い。Regarding the polymerization method for obtaining the organic pigment of the present invention, (
It is essential to polymerize the monomer mixture (monomer mixture fB) in the presence of the co)polymer latex (A) by adding it evenly.
Any method such as continuous addition or power feed addition may be used.
また、（共）重合体ラテックス（Ａ）の重合方式につい
ては、特に制限するものではないが、公知の乳化重合方
法、例えばシード重合、二段重合、多段階重合、パワー
フィード重合等の方法があげられる。The polymerization method of the (co)polymer latex (A) is not particularly limited, but known emulsion polymerization methods such as seed polymerization, two-stage polymerization, multi-stage polymerization, and power feed polymerization can be used. can give.
一方、（Ａ）および（Ｂｌの重合の何れにおいても、常
用の重合開始剤、電解質、重合促進剤、連鎖移動剤、キ
レート剤、乳化剤等の助剤を使用しても差し支えない。On the other hand, in both the polymerization of (A) and (Bl), commonly used auxiliary agents such as polymerization initiators, electrolytes, polymerization promoters, chain transfer agents, chelating agents, and emulsifiers may be used.
（実施例）
以下に、実施例をあげて本発明を具体的に説明するが、
本発明は実施例によって何ら制限されるものではない。(Example) The present invention will be specifically explained below with reference to Examples.
The present invention is not limited in any way by the examples.
尚、実施例中に示される部および％は、特に断りのない
限り全て重量部および重量％を意味する。Incidentally, all parts and % shown in the examples mean parts by weight and % by weight unless otherwise specified.
実施例−１
０（共）重合体ラテックス（Ａｌの重合２０ｅオートク
レーブに、表−１に示したモノマー、ｔｅｒｔ−ドデシ
ルメルカプタンｏ、ａ部、アルキルベンゼンスルホン酸
ソーダ１．５部（そのうち、１．３５部を５回に分けて
添加）、芒硝０．２部、過硫酸カリウム０．３部および
純水７０部を仕込み、攪拌しながら６５℃で重合させ、
ラテックスａ〜ｅを得た。同様の操作を行い、比較用の
ラテックスｆも得た。Example 1 Polymerization of 0 (co)polymer latex (Al) 20e Into an autoclave, the monomers shown in Table 1, tert-dodecyl mercaptan o, part a, and 1.5 parts of sodium alkylbenzenesulfonate (of which 1.35 parts) were added. 0.2 parts of Glauber's salt, 0.3 parts of potassium persulfate, and 70 parts of pure water were added, and polymerized at 65°C with stirring.
Latexes a to e were obtained. A similar operation was performed to obtain latex f for comparison.
表 −１
Ｏ有機顔料の製造
２０ｇオートクレーブに、表−１で得られたラテックス
の各々について固形分で３０部仕込み、次いでアルキル
ベンゼンスルホン酸ソーダ１．５部および過硫酸カリウ
ム０．８部を仕込み、攪拌しながら７０℃に昇温する。Table-1 Production of organic pigment 30 parts of solid content of each of the latexes obtained in Table-1 were charged into a 20 g autoclave, and then 1.5 parts of sodium alkylbenzenesulfonate and 0.8 parts of potassium persulfate were charged. The temperature is raised to 70°C while stirring.
表−２に示すモノマー混合物７０部およびｔｅｒｔ、−
ドデシルメルカプタン０．２部を混合させ、前記の調製
された２０ｇオートクレーブ中に、毎時１４部の割合で
連続的に添加し、攪拌しながら７０℃にて重合させ、有
機顔料１〜９を得た。同様の操作を行い、比較用の有機
顔料１０〜１２も得た。70 parts of the monomer mixture shown in Table 2 and tert, -
0.2 parts of dodecyl mercaptan was mixed and continuously added to the prepared 20 g autoclave at a rate of 14 parts per hour, and polymerized at 70°C with stirring to obtain organic pigments 1 to 9. . A similar operation was performed to obtain organic pigments 10 to 12 for comparison.
Ｑ有機顔料の評価
（板紙被覆（こおける評価）
表−２で得られた有機顔料の各々について、下記処方に
従い板紙用被覆組成物■〜＠を作成した。尚、比較のた
め有機顔料を市販の有機顔料（Ｌ−８８０ｊ、旭化成工
業株製）に変更する以外は同様の操作を行い、板紙用被
覆組成物０を得た。QEvaluation of organic pigments (paperboard coating (evaluation on paperboard)) For each of the organic pigments obtained in Table 2, coating compositions for paperboard ■~@ were prepared according to the following formulations.For comparison, organic pigments were commercially available. Coating composition 0 for paperboard was obtained by carrying out the same operation except for changing to the organic pigment (L-880j, manufactured by Asahi Kasei Industries, Ltd.).
以下余白
処 方
輸入カオリン１級 ２５部輸入
カオリン２級 ２０部国産カオ
リン ２０部軽質炭酸カ
ルシウム １５部二酸化チタン
５部有機顔料（固形分）
１５部力 ゼ イ ン
７部カ
ルボキシ変性スチレン・ブタ １４部ジ
エン共重合体ラテックス
（住友ノーがタック株製；
得られた板紙用被覆組成物の各々について、市販の白ボ
ール紙（坪量： ３１ Ｑｆ／７７／）に片面１４ｆ／
ｍの塗工量にて塗工し、塗工板紙を得た。次いで、各々
の塗工板紙について、３％硫硫酸亜鉛氷水溶液用いて水
光沢処理を行った後に、印刷光沢および重ね印刷光沢の
各試験を行った。結果を表−２に示す。Below is the margin prescription Imported kaolin 1st grade 25 parts Imported kaolin 2nd grade 20 parts Domestic kaolin 20 parts Light calcium carbonate 15 parts Titanium dioxide
5 parts organic pigment (solid content)
15 parts zein 7 parts carboxy-modified styrene-butylene 14 parts diene copolymer latex (manufactured by Sumitomo Norgatack Co., Ltd.) For each of the resulting paperboard coating compositions, commercially available white paperboard (basis weight: 31 Qf/77/) on one side 14f/
A coated paperboard was obtained by coating with a coating weight of m. Next, each coated paperboard was subjected to a water gloss treatment using a 3% zinc sulfate sulfate ice water solution, and then each test of print gloss and overprint gloss was conducted. The results are shown in Table-2.
尚、各試験方法については、以下のとおり。The details of each test method are as follows.
印刷光沢：塗工板紙にＲＩテスター（明部゛作所製）を
用いてオフセット用
インキ（赤）にて印刷を行い、
ＪＩＳ Ｐ−８１４２ｒ紙およ
び板紙の７５度鏡面光沢度試験
方法」に基づいて測定した。Printing gloss: Printed on coated paperboard with offset ink (red) using an RI tester (manufactured by Akira Seisakusho), based on JIS P-8142r 75 degree specular gloss test method for paper and paperboard. It was measured using
重ね印刷：塗工板紙に上記ＲＩテスターを光 沢 用
いてオフセット用インキを赤、藍の順序でそれぞれ印刷
を行い、
１記印刷光沢と同一の方法にて
測定した。Overprinting: Using the RI tester described above, offset ink was printed in the order of red and indigo on coated paperboard, and the gloss was measured in the same manner as in 1. Printing gloss.
以下余白
（紙被覆における評価）
表−２で得られた有機顔料の各々について、祇
下記処方に従い奏被覆用組成物Ｏ−■を作成した。尚、
比較のため有機顔料を市販の有機顔料（Ｌ−８８０１，
旭化成工業株製）に変更する以外は同様の操作を行い、
紙被覆用組成物０を得た。The following margin (evaluation in paper coating) For each of the organic pigments obtained in Table 2, a composition for coating O-■ was prepared according to the Gishita prescription. still,
For comparison, a commercially available organic pigment (L-8801,
Perform the same operation except change to (manufactured by Asahi Kasei Industries, Ltd.),
Paper coating composition 0 was obtained.
処 方
輸入カオリン１級 ７０部重質
炭酸カルシウム ２０部リン酸エ
ステル化デンプン ６部カルボキ
シ変性スチレン・ブタ １２部ジエン共
重合体ラテックス
（住友ノーがタック株製；
５Ｎ−８０７） （固形分）
有機顔料（固形分） １０
部合 計 １１８部
（固形分６０％に水にて調整）
得られた紙被覆用組成物の各々について、市販の上質紙
（坪量：５４Ｐ／ｍ）に片面１２２／ゴ、両面で２８９
／ｄの塗工量にて塗工し、塗工紙を作成した。次いで、
各々の塗工紙について、スーパーキャレンダー処理を行
った後に、印刷光沢および重ね印刷光沢の各試験を行っ
た。結果を表−３に示す。尚、試験方法は全て前記板紙
の方法に従４
±云った。Formula Imported Kaolin Grade 1 70 parts Heavy calcium carbonate 20 parts Phosphated starch 6 parts Carboxy-modified styrene/butylene 12 parts Diene copolymer latex (manufactured by Sumitomo Norgatac Co., Ltd.; 5N-807) (Solid content) Organic Pigment (solid content) 10
Total parts: 118 parts (adjusted to 60% solids with water) Each of the obtained paper coating compositions was coated on commercially available high-quality paper (basis weight: 54 P/m) with 122 parts per side and 289 parts per side on both sides.
A coated paper was prepared by coating with a coating amount of /d. Then,
After each coated paper was subjected to supercalender treatment, each test of printing gloss and overprinting gloss was conducted. The results are shown in Table-3. All test methods were conducted in accordance with the above-mentioned paperboard method.
以下余白 表 −３ ＊：数値は、何れも高い方が良好。Margin below Table-3 *: The higher the value, the better.
Ｏ実施例−２
実施例−１で得られたラテックスＣの使用量を表−４に
示すとおり変量させ、かつモノマー混合物の組成ならび
に使用量を表−４に示すとおり変更する以外は全て実施
例−１と同様の操作を行い、有機顔料Ａ−Ｅを得た。O Example-2 All examples were the same except that the amount of latex C obtained in Example-1 was varied as shown in Table-4, and the composition and amount of the monomer mixture were changed as shown in Table-4. The same operation as in -1 was performed to obtain organic pigments A-E.
得られた有機顔料を用いて実施例−１と同様の操作を行
い、被覆組成物を作成し、それぞれ板紙および紙の被覆
を行い評価を行った。Using the obtained organic pigment, the same operation as in Example 1 was performed to prepare a coating composition, which was coated on paperboard and paper and evaluated.
結果を表−４に示す。The results are shown in Table 4.
以下余白 表−４ ＊２： 何れも、数値の高い方が良好。Margin below Table-4 *2: In all cases, the higher the value, the better.
ハ０発明の効果
本発明の特定の製造方法にて得られる有機顔料を紙、板
紙等の紙被覆に用いた際に、印刷光沢および重ね印刷光
沢に優れた塗工紙が得られる。Effects of the Invention When the organic pigment obtained by the specific production method of the present invention is used to coat paper, paperboard, etc., coated paper with excellent print gloss and overprint gloss can be obtained.
Claims (1)
よびこれと共重合可能なモノマー２０〜０重量％からな
る（共）重合体ラテックス（Ａ）２０〜６０重量部（固
形分）の存在下、芳香族ビニル系モノマー４０〜９０重
量％、アクリロニトリルおよび／またはメタクリロニト
リル１０〜４０重量％およびこれらと共重合可能なモノ
マー０〜２０重量％からなるモノマー混合物（Ｂ）８０
〜４０重量部を添加して重合する（ただし、（Ａ）およ
び（Ｂ）の合計は１００重量部とする）ことを特徴とす
る紙被覆用有機顔料の製造方法。 ２、（共）重合体ラテックス（Ａ）に用いる共重合可能
なモノマーがエチレン系不飽和カルボン酸である特許請
求の範囲第１項記載の製造方法。 ３、モノマー混合物（Ｂ）に用いる共重合可能なモノマ
ーがエチレン系不飽和カルボン酸である特許請求の範囲
第１項または第２項記載の製造方法。[Scope of Claims] 1. (Co)polymer latex (A) consisting of 30 to 100% by weight of a conjugated diolefin monomer and 20 to 0% by weight of a monomer copolymerizable with the same (20 to 60 parts by weight (solid content) ), a monomer mixture (B) 80 consisting of 40 to 90% by weight of an aromatic vinyl monomer, 10 to 40% by weight of acrylonitrile and/or methacrylonitrile, and 0 to 20% by weight of a monomer copolymerizable with these
A method for producing an organic pigment for paper coating, which comprises adding and polymerizing up to 40 parts by weight (however, the total of (A) and (B) is 100 parts by weight). 2. The manufacturing method according to claim 1, wherein the copolymerizable monomer used in the (co)polymer latex (A) is an ethylenically unsaturated carboxylic acid. 3. The manufacturing method according to claim 1 or 2, wherein the copolymerizable monomer used in the monomer mixture (B) is an ethylenically unsaturated carboxylic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62140314A JP2553352B2 (en) | 1987-06-03 | 1987-06-03 | Method for producing organic pigment for paper coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62140314A JP2553352B2 (en) | 1987-06-03 | 1987-06-03 | Method for producing organic pigment for paper coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63303195A true JPS63303195A (en) | 1988-12-09 |
| JP2553352B2 JP2553352B2 (en) | 1996-11-13 |
Family
ID=15265921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62140314A Expired - Fee Related JP2553352B2 (en) | 1987-06-03 | 1987-06-03 | Method for producing organic pigment for paper coating |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2553352B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03199494A (en) * | 1989-12-26 | 1991-08-30 | Mitsui Toatsu Chem Inc | Production of composition for coated paper and coated paper |
-
1987
- 1987-06-03 JP JP62140314A patent/JP2553352B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03199494A (en) * | 1989-12-26 | 1991-08-30 | Mitsui Toatsu Chem Inc | Production of composition for coated paper and coated paper |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2553352B2 (en) | 1996-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6750297B2 (en) | Artificial pigment and method for preparing the same | |
| JPH0776324B2 (en) | Composition for coating | |
| JP4606536B2 (en) | Diene copolymer latex | |
| JPH06240599A (en) | Paper coating composition | |
| JPS63303195A (en) | Production of organic pigment for paper coating | |
| JP3975096B2 (en) | Copolymer latex and paper coating composition | |
| KR20090102894A (en) | Latex for coating paper having improved adhesive strenth and gloss | |
| JP4587577B2 (en) | Multilayer coated paper | |
| JP2004091965A (en) | Method for producing copolymer latex for paper coating use | |
| JP4402285B2 (en) | Method for producing copolymer latex and copolymer latex obtained by the method | |
| JPH0753610A (en) | Latex for coating web offset paper and coating composition for web offset paper | |
| JP2933985B2 (en) | Method for producing diene copolymer latex | |
| JP3046039B2 (en) | Method for producing diene copolymer latex | |
| JP2001049038A (en) | Copolymer latex and paper coating composition | |
| JPH0541756B2 (en) | ||
| JPH1017602A (en) | Production of copolymer latex and coated paper for printing | |
| JP4776341B2 (en) | Method for producing copolymer latex, copolymer latex and paper coating composition | |
| JP3693423B2 (en) | Copolymer latex | |
| JPH0381379A (en) | Coating composition for web offset paper | |
| JPH107706A (en) | Production of copolymer latex | |
| JPH07118313A (en) | Latex and composition for coating paper for sheet-feed offset printing | |
| JP3856588B2 (en) | Copolymer latex and coating composition for offset rotary printing paper | |
| KR100727208B1 (en) | Latex for coating paper | |
| KR100835497B1 (en) | Latex for coating paper to control penetration of printing ink | |
| JPH03199495A (en) | Composition for coated paper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |