CN1035329C - Water soluble stencil ink and letterpress printing ink and producing method - Google Patents
Water soluble stencil ink and letterpress printing ink and producing method Download PDFInfo
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- CN1035329C CN1035329C CN 92113891 CN92113891A CN1035329C CN 1035329 C CN1035329 C CN 1035329C CN 92113891 CN92113891 CN 92113891 CN 92113891 A CN92113891 A CN 92113891A CN 1035329 C CN1035329 C CN 1035329C
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- ink
- solvent
- printing ink
- rosin
- pigment
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- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The present invention provides water-solubility stencil ink and letterpress ink, and a production method of the ink. The ink can be diluted by water. The ink is composed of waste polystyrene and polyvinyl chloride by adding a solvent, an emulsifier, paint, filler, etc., and has the advantages of stable performance, good colour fixation force and high drying speed. Besides, the ink can not be layered after cold exposure. A printed document has no deinking after being immersed. Besides, the ink has the service performance of traditional ink. Therefore, the ink is suitable for various copygraphs, stenographs and platform letter presses, and is a regeneration product with good performance.
Description
The present invention relates to a kind of printing ink, particularly can use oily printing-ink and production method thereof of diluting again by dilute with water before the printing.
Printing ink is divided into stencil ink and letterpress printing ink according to its viscosity size, and they mainly form low-melting ink vehicle by the natural resin of modification or synthetic resins, vegetables oil, mineral oil, adds pigment, stopping composition is formed.Need use sylvic oil, stand linseed oil or mineral oil to regulate when these printing ink use, dry back is difficult to use, and film formation time is slow, easily sticking paper, and oil is easily separated out during low temperature, and material price is expensive, the production cost height.
The purpose of this invention is to provide a kind of cheap, use extensively, save resource, at home and abroad competitive capacity is strong on the market, can keep the production method of the water-solubility printing ink and this printing ink of traditional product result of use again.
The present invention mainly adopts emulsion process, with the waste and old material of polyvinyl chloride (flexible PVC), polystyrene (PS) breaks into pieces, with benzene or toluene, the dimethylbenzene equal solvent suitably heats up after the dissolving fully, add rosin, pure water, solvent oil, emulsifying agent, PVC after dissolving emulsification, PS becomes minimum microparticulate in aqueous phase emulsion, the Control Critical temperature, in backflow with solvent (toluene, benzene or dimethylbenzene) the condensation recovery, after treating that solvent all reclaims, add stopping composition, pigment mixes, and according to the different viscosity of stencil ink and letterpress printing ink, adds the rosin (rosin) and the moisture content adjustment of different deals, through grinding, promptly obtain two kinds of products respectively again.
Below be the composition and the content (weight part) of ink raw materials:
Polystyrene (PS) 10-25
Polyvinyl chloride (PVC) 5-15
Solvent oil 12-15
Emulsifying agent 5-10
Glycerine 2-5
Rosin or rosin 10-15
Pigment 8-12
Stopping composition 12-20
Pure water 15-25
Solvent adding amount, weight ratio is: polystyrene+polyvinyl chloride: solvent 1: 1.2-1.5.
In above-mentioned raw materials is formed, promptly reflux behind benzene or toluene, xylene soluble PVC or the PS and reclaim, do not calculate the component consumption, PS and PVC adopt waste and old material, the waste material that polyvinyl-chloride use is soft, as various waste and old sandals and plastics film etc., certainly better with the PVC pellet, need before using PVC or PS cleaning, drying are broken into 1-2 millimeter fragment, rosin collects from tree after remove impurity and can use, emulsifying agent is selected polyether surfactant for use, for example: polyethylene oxide, polyethylene oxide alkyl ethers [RO (CH
2CH
2O)
nH], the polyoxyethylene alkyl aryl ether
Polyvalent alcohol cyclic ethers [CHOHCHCHOHCHOHCH
2O] etc., this polyether surfactant HLB value is selected for use between 12-14, its effect is can dilute with water after making it and ink binding material cooperating, also can release rare with sylvic oil, stand linseed oil, as No. 200 solvent oil turpentine wet goods, stopping composition can be selected talcum powder, kaolin etc. for use, it is identical with general printing ink that pigment is selected for use, as carbon black, phthalocyanine blue, bronze red.
General stencil ink is rarer slightly than letterpress printing ink, and viscosity is also little, so the amount of the used polystyrene of stencil ink, polyvinyl chloride, rosin (rosin) is slightly little when preparation, the water yield is bigger, and to adapt to the needs of printing, the composition of these two kinds of printing ink and content are as follows respectively:
1. letterpress printing ink (weight part)
Polystyrene (PS) 15-25
Polyvinyl chloride (PVC) 5-10
Solvent oil 15-20
Emulsifying agent 7-10
Glycerine 2-5
Pigment 10-12
Rosin (or rosin) 12-15
Stopping composition 12-15
Pure water 15-20
2. stencil ink
Polystyrene 10-20
Polyvinyl chloride 5-15
Solvent oil 12-15
Emulsifying agent 5-7
Glycerine 2-5
Pigment 8-10
Rosin or rosin 10-12
Stopping composition 15-20
Pure water 20-25
The amount of two kinds of required solvents of printing ink still adds according to the above ratio.
Below be described in detail the production method of water-solubility printing ink of the present invention again:
Polyvinyl chloride and polystyrene are broken into pieces, add solvent benzol or toluene, dimethylbenzene, suitably rising temperature for dissolving is complete, adds rosin or rosin, solvent oil, emulsifying agent and water then, stirs, put in the condensate vacuum equipment, under 75-90 ℃ critical temperature, reflux half an hour, in backflow, solvent condenses is reclaimed, reduce to and add stopping composition, pigment, glycerine behind the normal temperature and mix, water or rosin, rosin are regulated viscosity then, obtain through grinding.
Characteristics of the present invention: 1. under the effect of polyethers emulsifying agent; rosin is emulsified into stiff sylvic acid emulsion; in printing ink, play the effect of protective colloid and thickening; make PVC or PS solvent oil; water; weighting agent and pigment stable bond; be difficult for layering; the sylvic acid emulsion is behind ink setting; promptly become the film forming component of printing ink; improve tack and firmness; because emulsifying agent has the good penetration effect; moisture content infiltrates in the paper rapidly under the effect of emulsifying agent during printing, and solvent volatilization naturally in air, thereby film formation time is fast; the fixation time is better than common lead printing ink and stencil ink.2. owing to printing ink energy dilute with water, the pressman is stained with clothes water flush away immediately accidentally, saves with easy with the solvent oil dilution compared with present printing ink.3. PVC or PS can adopt the waste and old material of recovery in the raw material, and waste and old material is utilized again, have alleviated environmental pollution, have also saved a large amount of high-quality resins, mineral oil and vegetables oil (the oil plant 150-200 kilogram of saving per ton) for country.4. by this prescription and the quality product exquisiteness that obtains of production method, good fluidity, black is short and soft, strong covering power, nonflammable, stable performance is stored and can be used as usual in 1 year, never degenerates, and it is not stratified to endure cold.6. production cost is low, and technical process is short, and low equipment investment is easy to use, is a kind of novel product of excellent property.
Embodiments of the invention:
Embodiment one, get 5 kilograms and 15 kilograms polystyrene of soft useless PVC plastics, be broken into the fragment of 1-2 millimeter, the toluene that adds 25 kilograms is heated to 50 ℃, and the dissolving back added rosin (rosin) 4 kilograms in 3-4 hour, 6 kilograms of poly-epoxy ether, 200
#12 kilograms of solvent oils, 20 kilograms in water stirs, put into condensate vacuum equipment, in the time of 85-90 ℃, reflux half an hour, the whole evaporative condensers of toluene are got off (reusable), reduce to normal temperature, add 12 kilograms of talcum powder, 10 kilograms of carbon blacks, or 11 kilograms of bronze red Cs, 2.5 kilograms of glycerine, put to vertical colloid mill and ground 1 hour, promptly obtain about 100 kilograms of black or red stencil ink.
Embodiment two, get 5 kilograms of waste polyvinyl chloride films, 15 kilograms of polystyrene are cut into fragment, add 30 kilograms of dimethylbenzene, heat to 50 ℃, stir to treat to dissolve fully the back and add 11 kilograms in rosin, 7 kilograms of polyoxyethylene alkyl aryl ethers, 200
#15 kilograms of industrial napthas, 25 kilograms in water stirs, put into condensate vacuum equipment, in the time of 75-80 ℃, reflux half an hour, reclaim dimethylbenzene, reduce to normal temperature, add 20 kilograms of talcum powder, 9 kilograms of carbon blacks, 1 kilogram of phthalocyanine blue, 4 kilograms of glycerine, regulating viscosity with 3.5 kilograms of colophonium powders then is 600 centipoises, puts to colloidal mill to grind 0.5 hour, promptly obtains the letterpress printing ink of about 120 kg.
Stencil ink of the present invention is respectively at delivering to Pingyue County, Guangxi public security bureau, Supervisory Bureau in 1992, it is on probation that letterpress printing ink is delivered to Pingyue County, Guangxi Ping Wenyin portion that jumps, outward appearance and common oil-based ink indifference are thought by above-mentioned unit, printing process fixation power is good, easily dry, printing ink can wash after being stained with hand, but printed file is immersed in not deinking in 48 hours in the water after 30 seconds.
Claims (7)
1. a water-solubility printing ink contains natural resin, solvent oil, pigment and stopping composition, it is characterized in that the composition of this ink raw materials and content are (weight part):
Polystyrene 10-25
Polyvinyl chloride 5-15
Solvent oil 12-15
Emulsifying agent 5-10
Glycerine 2-5
Rosin or rosin 10-15
Pigment 8-12
Stopping composition 12-20
Pure water 15-25 solvent adding amount, weight ratio is: polystyrene+polyvinyl chloride: solvent=1: 1.2～1.5.
2. printing ink according to claim 1 is characterized in that solvent oil is No. 200 solvent oils or turps.
3. printing ink according to claim 1 is characterized in that emulsifying agent is the polyether surfactant of HLB value between 12-14.
4. printing ink according to claim 1 is characterized in that stopping composition is talcum powder or kaolin.
5. printing ink according to claim 1, the pigment of its feature pigment and common ink is general.
6. printing ink according to claim 1 is characterized in that solvent is benzene or toluene, dimethylbenzene.
7. the production method of printing ink according to claim 1, it is characterized in that earlier polystyrene and polyvinyl chloride being broken into pieces, the suitable rising temperature for dissolving of adding solvent is complete, adds rosin, solvent oil, emulsifying agent and water then, stir, put in the condensate vacuum equipment, under 75-90 ℃ critical temperature, reflux half an hour, in backflow, solvent condenses is reclaimed, after treating that solvent all reclaims, add stopping composition, pigment mixing, water or rosin, rosin are regulated viscosity, obtain through grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92113891 CN1035329C (en) | 1992-12-25 | 1992-12-25 | Water soluble stencil ink and letterpress printing ink and producing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92113891 CN1035329C (en) | 1992-12-25 | 1992-12-25 | Water soluble stencil ink and letterpress printing ink and producing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1088600A CN1088600A (en) | 1994-06-29 |
| CN1035329C true CN1035329C (en) | 1997-07-02 |
Family
ID=4946649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92113891 Expired - Fee Related CN1035329C (en) | 1992-12-25 | 1992-12-25 | Water soluble stencil ink and letterpress printing ink and producing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1035329C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR0214185A (en) * | 2001-11-09 | 2004-08-31 | Sun Chemical Corp | Composition of water-washable low-adherence lithographic printing inks |
| US6709503B1 (en) * | 2002-12-19 | 2004-03-23 | Sun Chemical Corporation | Waterbased heatset offset ink compositions |
| CN105176181A (en) * | 2015-09-17 | 2015-12-23 | 苏州市鼎立包装有限公司 | Letterpress printing ink for plastic packaging bag and preparation method of letterpress printing ink |
-
1992
- 1992-12-25 CN CN 92113891 patent/CN1035329C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1088600A (en) | 1994-06-29 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |