CN103804732B - The bag coating compound of a kind of UV ink and the dual-purpose printing rubber roll of common ink - Google Patents
The bag coating compound of a kind of UV ink and the dual-purpose printing rubber roll of common ink Download PDFInfo
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- CN103804732B CN103804732B CN201410058356.0A CN201410058356A CN103804732B CN 103804732 B CN103804732 B CN 103804732B CN 201410058356 A CN201410058356 A CN 201410058356A CN 103804732 B CN103804732 B CN 103804732B
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Abstract
The present invention relates to the bag coating compound of a kind of UV ink and the dual-purpose printing rubber roll of common ink.This sizing material is made up of pre-plasticising paracril/polyvinyl chloride co-mixed rubber, silicon rubber gross rubber, precipitated silica, zinc methacrylate, polyester plasticizer, softening agent TP-95, softening agent TP-90B, Sulfur, promotor, dicumyl peroxide and other auxiliary agents.The feature of sizing material of the present invention is: in UV ink and clean-out system, common ink and clean-out system thereof, have good swelling property, and the bag coating compound of physicals and UV ink printing rubber roll and common ink printing rubber roll is suitable.With the dual-purpose printing rubber roll that bag coating compound of the present invention manufactures, can be convenient for changing between UV ink and common ink, UV ink printing can be used for and can be used for common ink printing again.
Description
Technical field
The present invention relates to the bag coating compound of a kind of UV ink and the dual-purpose printing rubber roll of common ink.
Background technology
In recent years, due to the environment-friendly advantage of UV ink (ultraviolet curing ink), in offset printing, obtain more and more widespread use.The composition of UV ink and clean-out system thereof and common ink and clean-out system thereof have very large difference.Containing undersaturated resin prepolymer and reactive thinner monomer, light trigger etc. in UV ink, cause under logical ultraviolet irradiation that prepolymer is polymerized, cross-linked graft reacts, there is film-forming in the short period of time, and common ink (also claiming oil-based ink) is containing natural or synthetic resins, mineral oil and vegetables oil (such as Semen Lini oil) etc., by surface oxidation, binder infiltration and solvent evaporates film forming in printed document drying process.UV detergent for ink is petroleum solvent (such as alkylbenzene, aliphatic solvents, propylene glycol methyl ether acetate etc.) mainly, some printing houses still use gasoline or kerosene as common ink clean-out system at present, also use mixed type clean-out system (mixed solvent of high boiling solvent and gasoline or kerosene).The cleaning agent formula produced due to each company is different, to rubber roll adhering to the cleaning performance of ink and having very big-difference to the erosion action of the coated glue of rubber roll.
Use the offset machine of UV ink must use the special printing rubber roll of UV and clean-out system.The material of main part of the special rubber roll of UV is generally terpolymer EP rubber, Shao Er A type hardness tester be 40 degree [see Chen Changyu. printed magazine, 2007 (34), 60-63].Use the formula of the special printing rubber roll of UV ink of terpolymer EP rubber, data has report, but the data of unlisted physicals and immersion UV ink and clean-out system are (see Xie Zhonglin, Yang Minfang compiles. and rubber item practical formulation is complete works of, Chemical Industry Press, February in 2004 the 2nd edition, 896 pages, formula 8-90).The common ink printing rubber roll material of main part of coated glue (be generally be with paracril or paracril/polyvinyl chloride co-mixed rubber, paracril/polyvinyl chloride/softening agent Blend rubber) is not suitable for UV ink printing, especially swelling very large to coated glue of the clean-out system of UV ink.On the contrary, in the Semen Lini oil being used for assessing the resistance to ink of the coated glue of printing rubber roll and clean-out system performance at chemical industry standard HG/T2287-2008 " printing rubber roll " and kerosene, terpolymer EP rubber has very large swelling.Therefore, the special printing rubber roll of UV ink can not be mixed with common ink printing rubber roll.Printing UV ink printing the enterprise of common ink printing should be printed again on a printing press for needing, in order to avoid frequently changing rubber roll, the common dual-purpose type offset machine of UV/ can be adopted, but use the dual-purpose printing rubber roll of two class ink printings, the coated glue of this rubber roll should adapt to two class ink, the clean-out system of two kinds of ink when can stand again to switch ink.The sizing material of exploitation UV ink and the coated glue of the dual-purpose printing rubber roll of common ink has been the problem that printing rubber roll industry is paid close attention to.
Although have document announcement [Chen Changyu. printed magazine, 2007 (34), 60-63] hardness (Shao Er A type) of UV ink and the coated glue of the dual-purpose printing rubber roll of common ink is 38 degree, but do not disclose the type of concrete material of main part, formula and performance.No. 2872845th, Japanese Patent describes the printing rubber roll using the blend (mass ratio is 60: 40 ~ 20: 80) of silicon rubber and oil resisting rubber (acrylic elastomer or paracril) to obtain, in UV ink printing, to the excellent in stability of UV, weather resistance improves.Although to scheme to illustrate the impact on UV ink and common ink volume swelling of silicon rubber and paracril proportioning, do not provide concrete data, and the data that the clean-out system not relating to two kinds of ink is swelling to this kind of sizing material.In addition, whether post vulcanization not specified (NS) is carried out to the rubber roll of forming, because selected silicon rubber gross rubber belongs to the kind needing post vulcanization, the distortion without post vulcanization sizing material is large, if carry out post vulcanization, paracril holds the high temperature that can't stand post vulcanization.
Summary of the invention
The object of the invention is to solve current common printed rubber roll swelling large, UV printing rubber roll in UV ink and clean-out system thereof swelling large and the problem of exchange can not be taken into account in common ink and clean-out system thereof, the coated glue sizing material of a kind of UV ink and the dual-purpose printing rubber roll of common ink is provided, it has good swelling property to two kinds of ink and clean-out system, and physical property level is suitable with two kinds of rubber roll coated glue sizing materials.
The present invention is the bag coating compound of a kind of UV ink and the dual-purpose printing rubber roll of common ink, its composition and quality proportioning as follows:
blend rubber, it is characterized in that: consist of paracril/polyvinyl chloride/1,2-cyclohexane dicarboxylic acid two (different nonyl) ester, mass ratio is 100/40/70, bound acrylonitrile content is 38-42%, silicon rubber gross rubber wherein used, is characterized in that: without post vulcanization, and Shao Er A type hardness tester is 50-70 degree.
Said pre-plasticising paracril/polyvinyl chloride co-mixed rubber above, by Shanghai, Xin Saikede International Trading Company Ltd provides, the trade mark is rubber and plastic alloy 1234E, the bound acrylonitrile content of paracril is wherein high, oil resistant and the solvent resistance of sizing material can be promoted, 1,2-cyclohexane dicarboxylic acid two (different nonyl) ester (DINCH) is wherein the environment-friendlyplasticizer plasticizer that German BASF (BASF) is produced, and the trade mark is HexamollDINCH.
Said silicon rubber gross rubber can obtain according to the silicon rubber gross rubber blending that the hardness of not post vulcanization is 80 degree of levels and 40 degree of levels of required hardness above, the ElastosilR701/80 (80 degree of levels) of the SlasticNPC-80 (80 degree of levels) of preferred Dow corning (DowCorning) company and NPC-40 (40 degree of levels) or German watt gram (Wacker) company and R701/40 (40 degree of levels).The silicon rubber ink of resistance to UV is good, and with the pre-plasticising paracril/polyvinyl chloride co-mixed rubber blending of high acrylonitrile content, bi-material can be complementary.Owing to adopting the silicon rubber gross rubber of not post vulcanization, with Blend rubber and with after, sizing material only needs the cross-linked rubber that a conventional sulfuration can be good with regard to available, provides convenience to the production technique of printing rubber roll.
Said polyester plasticizer is polypropylene adipate (PPA) or poly adipate succinic acid ester above, and molecular-weight average is 2000 ~ 3000.
Said softening agent TP-95 is two [2 (2-the Butoxyethoxy)] ethyl ester of hexanodioic acid above, and U.S.'s Hess reaches (HallStar) Products.
Said softening agent TP-90B is two [2-(2-Butoxyethoxy) oxyethyl group] methane above, and except plastification, also have antistatic effect, U.S.'s Hess reaches (HallStar) Products.
Said dicumyl peroxide (40%) is the predispersion of dicumyl peroxide/precipitated silica above, and its mass ratio is 40/60.
Said silane coupling agent is Si-69 [two (3-oxyethyl group siloxy propyl group) tetrasulfide above.
Other starting material said are common commercial rubber ingredients above.
Embodiment
Following examples are to explanation of the present invention, instead of limit the scope of the invention.
Embodiment 1
Sizing compound formula and the various raw-material quality proportioning of embodiment 1 are as follows:
The preparation of embodiment 1 sizing material: first prepare the rubber master batch (hereinafter referred to as rubber master batch N) of pre-plasticising paracril/polyvinyl chloride co-mixed rubber and the rubber master batch (hereinafter referred to as rubber master batch S) of silicon rubber gross rubber respectively, then obtains embodiment 1 sizing material by rubber master batch N and rubber master batch S blending in proportion.1. prepared by rubber master batch N: other starting material except silicon rubber gross rubber, cerium oxide and dicumyl peroxide of formula above add Blend rubber (1234E), small powder (zinc oxide, stearic acid, anti-aging agent), all the other Synergist S-421 95s (white carbon black, zinc methacrylate, coupling agent, titanium dioxide, carbon black, ointment, petroleum resin, three kinds of softening agent) successively in Banbury mixer after measuring respectively by quality proportioning, mixing evenly rear binder removal, dump temperature 100 ~ 120 DEG C.Add Sulfur and promotor on a mill until after heat radiation and carry out " adding sulphur " operation, mixing evenly after thin-pass play 3 triangle bags, put thick slice, cooling, parks for subsequent use; 2. prepared by rubber master batch S: batching mass ratio is NPC-8050, NPC-4050, cerium oxide 10, dicumyl peroxide (40%) 2.5.Drop into NPC-80 and NPC-40 successively with in the mill of scraper plate, and after glue, adding dicumyl peroxide (40%), smashing refining evenly, by scraper plate frictioning thin-pass 3-5 time, putting thick bottom sheet, park for subsequent use; 3. rubber master batch blending: batching mass ratio is rubber master batch N308.85, rubber master batch S22.5, and first drop into rubber master batch N on a mill until, after level and smooth bag roller, a small amount of gradation adds rubber master batch S, mix refining evenly, thin-pass plays triangle bag, puts thick bottom sheet, obtained embodiment 1 sizing material.
Shaping, the sulfuration of rubber roll and post-treatment: extrude on Wrapping formed machine at rubber roll by the sizing material prepared, extrude adhesive tape continuously and to be wrapped in through sandblasting and on the roller core of brushwork adhesive Kai Muluoke (Chemlok) 250.The rubber roll base of forming, coated with plastics film, then tighten with nylon rope, then in open steam vulcanization tank, complete sulfuration.Rubber roll carries out post-treatment after going out tank solution rope: grinding, polishing, obtains rubber roll finished product.
Embodiment 2
Sizing compound formula and the various raw-material quality proportioning of embodiment 2 are as follows:
The preparation of embodiment 2 sizing material: 1. rubber master batch N: with embodiment 1; 2. rubber master batch S: batching mass ratio is R701/8030, R701/4070, cerium oxide 10, dicumyl peroxide (40%) 2.5, all the other operations are with embodiment 1; 3. rubber master batch blending: batching mass ratio is rubber master batch N312.15, rubber master batch S33.75, all the other operations are with embodiment 1.
Rubber roll shaping, sulfuration is identical with embodiment 1 with post-treatment;
Comparative example 1
Comparative example 1 is hardness 40 degree of level printing rubber roll bag coating compounds of a kind of UV ink.
Sizing compound formula and the various raw-material quality proportioning of comparative example 1 are as follows:
Said terpolymer EP rubber (J-4045) is CNPC's Jilin Petrochemical Products above, mooney viscosity [ML (1+4) 100 DEG C] 45 (representative values), third monomer ENB content 8.1% (representative value).
The sizing material preparation of comparative example 1: add terpolymer EP rubber, small powder (zinc oxide, stearic acid, anti-aging agent, magnesium oxide), all the other Synergist S-421 95s (white carbon black, titanium dioxide, red iron oxide, paraffin oil) in Banbury mixer successively, mixing evenly rear binder removal, dump temperature 100 ~ 120 DEG C.Add Sulfur and promotor on a mill until after heat radiation and carry out " adding sulphur " operation, mixing evenly after thin-pass play 3 triangle bags, put thick slice, cooling, parks for subsequent use.
Shaping, the sulfuration of rubber roll and post-treatment: extrude on Wrapping formed machine at rubber roll by the sizing material prepared, extrude adhesive tape continuously and to be wrapped in through sandblasting and on the roller core of brushwork adhesive Kai Muluoke (Chemlok) 250.The rubber roll base of forming, coated with plastics film, then tighten with nylon rope, then in open steam vulcanization tank, complete sulfuration.Rubber roll carries out post-treatment after going out tank solution rope: grinding, polishing, obtains rubber roll finished product.
Comparative example 2
Comparative example 2 is printing rubber roll bag coating compounds of a kind of hardness 40 degree of levels of common ink.
Sizing compound formula and the various raw-material quality proportioning of comparative example 2 are as follows:
Said paracril (3470C) is Lang Shengtai rubber (Nantong) chemical industry company limited product above, bound acrylonitrile content 33% (representative value), mooney viscosity [ML (1+4) 100 DEG C] 70 (representative values).
The sizing material preparation of comparative example 2: add paracril, small powder (zinc oxide, stearic acid, anti-aging agent, magnesium oxide), all the other Synergist S-421 95s (white carbon black, titanium dioxide, phthalocyanine blue, o-phthalic acid dibutyl ester, liquid coumarone indene resin) in Banbury mixer successively, mixing evenly rear binder removal, dump temperature 100 ~ 120 DEG C.Add Sulfur and promotor on a mill until after heat radiation and carry out " adding sulphur " operation, mixing evenly after thin-pass play 3 triangle bags, put thick slice, cooling, parks for subsequent use.
Shaping, the sulfuration of rubber roll and post-treatment are with comparative example 1.
The sizing material obtained by embodiment 1 and 2 and comparative example 1 and 2 above prepares sample on vulcanizing press, and cure conditions is 150 DEG C × 90min.The physicals of sizing material measures by following test method: mooney viscosity by GB/T1232.1-2000, hardness by GB/T531.1-2008, tensile property by GB/T528-2009, rebound resilience by GB/T1681-2009, resistant to liquid by GB/T1690-2006.In seakeeping test, No. 2 rocket engine fuels meet GB/T1778 regulation, Semen Lini oil meets HG/T2287-2008 appendix C regulation, common ink is Wu's board not skinning four primaries ink that Suzhou Kesiwode Ink Co.ltd produces, UV ink is the UV161 UV curable ink that Hangzhou ink chemistry company limited produces, and UV clean-out system is the UVHT-01 clean-out system that Hangzhou ink chemistry company limited produces.
The physical property test of embodiment 1 and 2 and comparative example 1 and 2 sizing material the results are shown in following table.
Data from table, comparative example 1 sizing material (terpolymer EP rubber) is swelling very large and also have more swelling in common ink in No. 2 rocket engine fuels, be not suitable for common ink printing, and greatly swelling in UV clean-out system of comparative example 2 sizing material (paracril), be not suitable for UV ink printing yet.The vegetables oil viscosity modifier (Semen Lini oil) of sizing material to two kinds of ink and corresponding clean-out system and common ink of embodiments of the invention 1 and 2 has good swelling property, the bag coating compound of physicals and UV ink printing rubber roll and common ink printing rubber roll is suitable, can be used for the coated glue sizing material of UV ink and the dual-purpose printing rubber roll of common ink.
Claims (1)
1. a bag coating compound for UV ink and the dual-purpose printing rubber roll of common ink, its composition and quality proportioning as follows:
Pre-plasticising paracril/polyvinyl chloride co-mixed rubber wherein used, it is characterized in that: consist of paracril/polyvinyl chloride/1,2-cyclohexane dicarboxylic acid two (different nonyl) ester, mass ratio is 100/40/70, bound acrylonitrile content is 38-42%, silicon rubber gross rubber wherein used, is characterized in that: without post vulcanization, and Shao Er A type hardness tester is 50-70 degree.
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| TW201609903A (en) * | 2014-08-19 | 2016-03-16 | 巴斯夫歐洲公司 | Plasticizer composition comprising polymeric dicarboxylic esters and 1,2-cyclohexane-dicarboxylic esters |
| PL3356457T5 (en) * | 2015-09-30 | 2023-04-24 | Basf Se | Plasticizer composition containing polymeric dicarboxylic acid esters and 1,2-cyclohexane dicarboxylic acid esters |
| CN108264662B (en) * | 2018-03-01 | 2020-04-03 | 南京金三力橡塑有限公司 | Sizing material for coated rubber roller, coated rubber roller and preparation method thereof |
| CN112898650B (en) * | 2021-03-08 | 2023-04-11 | 陕西化工研究院有限公司 | Environment-friendly self-lubricating rubber hose mandrel rubber material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5264289A (en) * | 1990-12-04 | 1993-11-23 | Sumitomo Rubber Industries, Ltd. | Printing offset blanket and rubber roll |
| CN102993481A (en) * | 2012-11-30 | 2013-03-27 | 西安致泰橡塑工业有限公司 | Novel high-solvent-resistance printing rubber covered roll |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2872845B2 (en) * | 1991-11-11 | 1999-03-24 | 住友ゴム工業 株式会社 | Rubber roll for printing |
| JP2004106418A (en) * | 2002-09-19 | 2004-04-08 | Sumitomo Rubber Ind Ltd | Printing blanket |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5264289A (en) * | 1990-12-04 | 1993-11-23 | Sumitomo Rubber Industries, Ltd. | Printing offset blanket and rubber roll |
| CN102993481A (en) * | 2012-11-30 | 2013-03-27 | 西安致泰橡塑工业有限公司 | Novel high-solvent-resistance printing rubber covered roll |
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Address after: 053200 Hengshui City, Hebei province Jizhou District Fuyang Road No. 369 Patentee after: Hebei Yinxing rubber roller Limited by Share Ltd Address before: 053200 No. 85 Yingbin street, Hebei, Jizhou Patentee before: HEBEI CHUNFENG YINXING RUBBER ROLLER CO., LTD. |