CN104448790A - Method for preparing high fixing-ink type synthetic paper - Google Patents
Method for preparing high fixing-ink type synthetic paper Download PDFInfo
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- CN104448790A CN104448790A CN201410781502.2A CN201410781502A CN104448790A CN 104448790 A CN104448790 A CN 104448790A CN 201410781502 A CN201410781502 A CN 201410781502A CN 104448790 A CN104448790 A CN 104448790A
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Abstract
The invention discloses a method for preparing high fixing-ink type synthetic paper. The method comprises the following steps: mixing and granulating thermoplastic polyurethane particles, vinyl acetate and vinyl copolymer powder, namely VAE and an inorganic composite filler, according to a certain ratio; preparing a film from the prepared particles by adopting blow molding or rolling or tape casting, and controlling the thickness of the film to be 0.08-0.16mm; and cooling the film, and cutting the film product to a proper size according to the requirement in the field of actual application, thereby obtaining the high fixing-ink type synthetic paper product. The product disclosed by the invention is simple in preparation process, and the prepared synthetic paper is high in ink mark absorption speed and sufficient in ink mark fixation.
Description
Technical field
The invention belongs to composite organic-inorganic material production technical field, be specifically related to a kind of preparation method of high solid black type synthetic paper.
Background technology
Synthetic paper, the s-generation that is otherwise known as paper.It normally utilizes chemical feedstocks (as olefines) to add some additives again and is made, and has quality softness, stretching resistance is strong, water resisting property is high, the feature such as fast light, cold-hot.Synthetic paper not only has the writing property same with vegetable fibre paper and printing effect; Meanwhile, also there is the core capabilities that plastic packing article has, such as waterproof, protection against the tide, mildew-resistant, insect protected etc.Synthetic paper is widely used in the printing of senior artwork, map, picture album, high-grade books and periodicals etc.
The problems such as in order to increase the ink sorptive performance of synthetic paper, employ a large amount of mineral filler-Paris whites in synthetic paper, it is partially hard that this just makes obtained synthetic paper product there is feel, and ink marks absorbs slowly, solid ink is limited in one's ability.In addition, the macromolecular material that synthetic paper uses (is mainly polyolefins, as polyethylene, polypropylene, polyvinyl chloride etc.) there is certain hydrophobic interaction, and the ink major part that printing uses is the water dispersion of ink, thus cause the surface of synthetic paper to have certain repulsive interaction to ink, be unfavorable for solid ink and colouring fast.Therefore, must improve the production technology of synthetic paper, its Application Areas could be expanded.
Summary of the invention
The object of the present invention is to provide the preparation method of the solid black type synthetic paper of a kind of novel height.
The object of the invention is to realize by the following technical solutions: the preparation method of the solid black type synthetic paper of this height, comprises the step of following order:
(1) by thermoplastic polyurethane particulate material, vinyl acetate is with ethylene copolymer powder and VAE and inorganic compounding filler mixes according to certain ratio, granulation;
(2) adopt blow moulding or rolling process or casting method to be filmed pellet obtained for step (1), the thickness of controlling diaphragm is 0.08mm ~ 0.16mm;
(3) after film cooling, membrane product is cut out as suitable dimension by the demand according to practical application area, namely obtains high solid black type synthetic paper product.
Concrete, in step (1) gained particulate material, the mass percentage of thermoplastic polyurethane particulate material is 35% ~ 45%, and the mass percentage of vinyl acetate and ethylene copolymer powder and VAE is 5% ~ 10%, and the mass percentage of inorganic compounding filler is 45% ~ 60%.
Concrete, in step (1) gained particulate material, inorganic compounding filler is the mixture of calcium carbonate and Calucium Silicate powder, and is that fineness is 325 ~ 1250 object powder; Wherein, the mass percentage of calcium carbonate is 25 ~ 35%, and the mass percentage of Calucium Silicate powder is 20 ~ 25%.
Concrete, in step (1), described thermoplastic polyurethane particulate material and TPU are the one in polyether-type TPU, polyester type TPU, and its shore hardness is 85A ~ 95A.
Concrete, in step (1), described vinyl acetate and ethylene copolymer powder and VAE are fineness is 325 ~ 500 object powder, and wherein the equal relative molecular mass of the number of VAE molecule is 40,000 ~ 70,000.
First the present invention adopts thermoplastic polyurethane material, vinyl acetate and ethylene copolymer powder (VAE) and inorganic composite materials as main raw material, and produces the synthetic paper product of high solid black type through suitable ratio and suitable film-forming method.The synthetic paper outward appearance that the inventive method obtains is white, and thickness is between 0.08 ~ 0.16mm, and weight (in A4 paper area) is between 1.30 ~ 2.35g.
The present invention, compared with existing synthetic paper production technology, has following advantage:
(1) product preparation process is simple: thermoplastic polyurethane particulate material, vinyl acetate all adopt conventional industrial equipment and operational condition with mixing between ethylene copolymer powder (VAE) and inorganic compounding filler, granulating equipment;
(2) ink marks absorption rate is fast: the introducing of thermoplastic polyurethane, vinyl acetate and ethylene copolymer in synthetic paper, greatly improves the absorption rate of synthetic paper to ink; Synthetic paper through printing or after writing, the moisture content in ink can be absorbed by thermoplastic polyurethane, vinyl acetate and ethylene copolymer fast;
(3) fixing ink marks is abundant: selected inorganic composite materials is respectively the mixture of calcium carbonate and Calucium Silicate powder, and bi-material all has good adsorption effect to ink, both composite adsorption effects, makes ink marks fixing more abundant.
Embodiment
Below by specific embodiment, the present invention is described in further detail, and wherein, described raw material is industrialization product, and equipment is the production unit of general industry.
Embodiment 1:
Take the polyether-type TPU particulate material 35 kilograms that shore hardness is 85A, the VAE powder 5 kilograms that fineness is 325 orders, the equal relative molecular mass of number is 40,000, inorganic compounding filler 60 kilograms (fineness is 1250 orders for wherein 35 kilograms, calcium carbonate, Calucium Silicate powder 25 kilograms) carries out mixing, granulation; Above-mentioned particulate material is carried out Blown Film by blowing, and the gauge control of its sample is 0.16mm; After film cooling, cutting device is utilized to carry out cutting out and can obtain high solid black type synthetic paper product.
In gained synthetic paper product, TPU particulate material mass percentage is 35.0% in the present embodiment; VAE powder quality percentage composition is 5.0%; Mineral filler mass percentage is 60.0%, and wherein the mass percentage of calcium carbonate is 35.0%, and the mass percentage of Calucium Silicate powder is 25.0%.Synthetic paper product colour is white, and thickness is 0.16mm, and quality (in A4 paper area) is for 2.35g.
Embodiment 2:
Take the polyester type TPU particulate material 45 kilograms that shore hardness is 95A, the VAE powder 10 kilograms that fineness is 500 orders, the equal relative molecular mass of number is 70,000, inorganic compounding filler 45 kilograms (fineness is 325 orders for wherein 25 kilograms, calcium carbonate, Calucium Silicate powder 20 kilograms) carries out mixing, granulation; Above-mentioned particulate material is carried out Blown Film by blowing, and the gauge control of its sample is 0.08mm; After film cooling, cutting device is utilized to carry out cutting out and can obtain high solid black type synthetic paper product.
In gained synthetic paper product, TPU particulate material mass percentage is 45.0% in the present embodiment; VAE powder quality percentage composition is 10.0%; Mineral filler mass percentage is 45.0%, and wherein the mass percentage of calcium carbonate is 25.0%, and the mass percentage of Calucium Silicate powder is 20.0%.Synthetic paper product colour is white, and thickness is 0.08mm, and quality (in A4 paper area) is for 1.30g.
Embodiment 3:
Take the polyether-type TPU particulate material 35 kilograms that shore hardness is 85A, the VAE powder 10 kilograms that fineness is 500 orders, the equal relative molecular mass of number is 70,000, inorganic compounding filler 55 kilograms (wherein 30 kilograms, calcium carbonate, Calucium Silicate powder 25 kilograms, fineness is 1000 orders) carry out mixing, granulation; Above-mentioned particulate material is carried out Blown Film by blowing, and the gauge control of its sample is 0.14mm; After film cooling, cutting device is utilized to carry out cutting out and can obtain high solid black type synthetic paper product.
In gained synthetic paper product, TPU particulate material mass percentage is 35.0% in the present embodiment; VAE powder quality percentage composition is 10.0%; Mineral filler mass percentage is 55.0%, and wherein the mass percentage of calcium carbonate is 30.0%, and the mass percentage of Calucium Silicate powder is 25.0%.Synthetic paper product colour is white, and thickness is 0.14mm, and quality (in A4 paper area) is for 2.12g.
Embodiment 4:
Take the polyester type TPU particulate material 45 kilograms that shore hardness is 95A, fineness is 325 orders, counts the VAE powder 5 kilograms that equal relative molecular mass is 40,000, and inorganic compounding filler 50 kilograms (wherein 25 kilograms, calcium carbonate, fineness is 600 orders; Calucium Silicate powder 25 kilograms, fineness is 800 orders) carry out mixing, granulation; Above-mentioned particulate material is carried out Blown Film by blowing, and the gauge control of its sample is 0.10mm; After film cooling, cutting device is utilized to carry out cutting out and can obtain high solid black type synthetic paper product.
In gained synthetic paper product, TPU particulate material mass percentage is 45.0% in the present embodiment; VAE powder quality percentage composition is 5.0%; Mineral filler mass percentage is 50.0%, and wherein the mass percentage of calcium carbonate is 25.0%, and the mass percentage of Calucium Silicate powder is 25.0%.Synthetic paper product colour is white, and thickness is 0.10mm, and quality (in A4 paper area) is for 1.66g.
Embodiment 5:
Take the polyether-type TPU particulate material 40 kilograms that shore hardness is 90A, fineness is 400 orders, counts the VAE powder 8 kilograms that equal relative molecular mass is 50,000, and inorganic compounding filler 52 kilograms (wherein 30 kilograms, calcium carbonate, fineness is 700 orders; Calucium Silicate powder 22 kilograms, fineness is 900 orders) carry out mixing, granulation; Above-mentioned particulate material is carried out Blown Film by blowing, and the gauge control of its sample is 0.12mm; After film cooling, cutting device is utilized to carry out cutting out and can obtain high solid black type synthetic paper product.
In gained synthetic paper product, TPU particulate material mass percentage is 40.0% in the present embodiment; VAE powder quality percentage composition is 8.0%; Mineral filler mass percentage is 52.0%, and wherein the mass percentage of calcium carbonate is 30.0%, and the mass percentage of Calucium Silicate powder is 22.0%.Synthetic paper product colour is white, and thickness is 0.12mm, and quality (in A4 paper area) is for 1.95g.
Claims (5)
1. a preparation method for high solid black type synthetic paper, is characterized in that the step comprising following order:
(1) by thermoplastic polyurethane particulate material, vinyl acetate is with ethylene copolymer powder and VAE and inorganic compounding filler mixes according to certain ratio, granulation;
(2) adopt blow moulding or rolling process or casting method to be filmed pellet obtained for step (1), the thickness of controlling diaphragm is 0.08mm ~ 0.16mm;
(3) after film cooling, membrane product is cut out as suitable dimension by the demand according to practical application area, namely obtains high solid black type synthetic paper product.
2. the preparation method of high solid black type synthetic paper according to claim 1, it is characterized in that: in step (1) gained particulate material, the mass percentage of thermoplastic polyurethane particulate material is 35% ~ 45%, the mass percentage of vinyl acetate and ethylene copolymer powder and VAE is 5% ~ 10%, and the mass percentage of inorganic compounding filler is 45% ~ 60%.
3. the preparation method of high solid black type synthetic paper according to claim 2, is characterized in that: in step (1) gained particulate material, inorganic compounding filler is the mixture of calcium carbonate and Calucium Silicate powder, and is that fineness is 325 ~ 1250 object powder; Wherein, the mass percentage of calcium carbonate is 25 ~ 35%, and the mass percentage of Calucium Silicate powder is 20 ~ 25%.
4. the preparation method of high solid black type synthetic paper according to claim 1, it is characterized in that: in step (1), described thermoplastic polyurethane particulate material and TPU are the one in polyether-type TPU, polyester type TPU, and its shore hardness is 85A ~ 95A.
5. the preparation method of high solid black type synthetic paper according to claim 1, it is characterized in that: in step (1), described vinyl acetate and ethylene copolymer powder and VAE are fineness is 325 ~ 500 object powder, and wherein the equal relative molecular mass of the number of VAE molecule is 40,000 ~ 70,000.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106366638A (en) * | 2016-10-31 | 2017-02-01 | 湖南科技大学 | Preparation method for special synthetic paper with anti-bacterial function |
| CN106479159A (en) * | 2016-10-31 | 2017-03-08 | 湖南科技大学 | A kind of preparation method of silicon carbide-based polishing synthetic paper |
| CN106633809A (en) * | 2016-10-31 | 2017-05-10 | 湖南科技大学 | Method for preparing alumina-based polishing synthetic paper |
| CN106633810A (en) * | 2016-10-31 | 2017-05-10 | 湖南科技大学 | Preparation method of special activated carbon synthetic paper |
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| US5667872A (en) * | 1994-05-30 | 1997-09-16 | Oji Yuka Goseishi Co., Ltd. | Synthetic paper with multi-layer structure and excellent printing property |
| JP2000109587A (en) * | 1998-10-07 | 2000-04-18 | Chisso Corp | Polypropylene-based synthetic paper |
| CN1537138A (en) * | 2001-07-25 | 2004-10-13 | ���������ɭ��˾ | Synthetic paper skins and methods of their manufacture |
| CN102492282A (en) * | 2011-11-30 | 2012-06-13 | 湖南科技大学 | Method for preparing quick-drying type synthetic paper |
| CN102604030A (en) * | 2012-03-08 | 2012-07-25 | 湖南科技大学 | Preparation method for soft porous synthetic paper |
| CN104119600A (en) * | 2014-07-18 | 2014-10-29 | 宋旭 | Method for preparing mineral-fiber-filled high-strength environment-friendly rich mineral paper |
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| US5667872A (en) * | 1994-05-30 | 1997-09-16 | Oji Yuka Goseishi Co., Ltd. | Synthetic paper with multi-layer structure and excellent printing property |
| JP2000109587A (en) * | 1998-10-07 | 2000-04-18 | Chisso Corp | Polypropylene-based synthetic paper |
| CN1537138A (en) * | 2001-07-25 | 2004-10-13 | ���������ɭ��˾ | Synthetic paper skins and methods of their manufacture |
| CN102492282A (en) * | 2011-11-30 | 2012-06-13 | 湖南科技大学 | Method for preparing quick-drying type synthetic paper |
| CN102604030A (en) * | 2012-03-08 | 2012-07-25 | 湖南科技大学 | Preparation method for soft porous synthetic paper |
| CN104119600A (en) * | 2014-07-18 | 2014-10-29 | 宋旭 | Method for preparing mineral-fiber-filled high-strength environment-friendly rich mineral paper |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106366638A (en) * | 2016-10-31 | 2017-02-01 | 湖南科技大学 | Preparation method for special synthetic paper with anti-bacterial function |
| CN106479159A (en) * | 2016-10-31 | 2017-03-08 | 湖南科技大学 | A kind of preparation method of silicon carbide-based polishing synthetic paper |
| CN106633809A (en) * | 2016-10-31 | 2017-05-10 | 湖南科技大学 | Method for preparing alumina-based polishing synthetic paper |
| CN106633810A (en) * | 2016-10-31 | 2017-05-10 | 湖南科技大学 | Preparation method of special activated carbon synthetic paper |
| CN106366638B (en) * | 2016-10-31 | 2019-01-01 | 湖南科技大学 | A kind of preparation method of the extraordinary synthetic paper with antibacterial functions |
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