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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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims abstract description 27
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 27
- 239000000843 powder Substances 0.000 claims abstract description 24
- 239000008187 granular material Substances 0.000 claims abstract description 22
- 239000007787 solid Substances 0.000 claims abstract description 18
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 239000000945 filler Substances 0.000 claims abstract description 13
- 229920001038 ethylene copolymer Polymers 0.000 claims abstract description 11
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 238000005266 casting Methods 0.000 claims abstract description 4
- 238000003490 calendering Methods 0.000 claims abstract description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 31
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 16
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 15
- 239000000378 calcium silicate Substances 0.000 claims description 15
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 15
- 239000008188 pellet Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 5
- 229920000570 polyether Polymers 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 4
- 238000000071 blow moulding Methods 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- 229920001567 vinyl ester resin Polymers 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 239000000976 ink Substances 0.000 description 20
- 238000005520 cutting process Methods 0.000 description 10
- 238000005469 granulation Methods 0.000 description 5
- 230000003179 granulation Effects 0.000 description 5
- 239000011256 inorganic filler Substances 0.000 description 5
- 229910003475 inorganic filler Inorganic materials 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 238000007639 printing Methods 0.000 description 4
- 229910003471 inorganic composite material Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010096 film blowing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical group C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
本发明公开了一种高固墨型合成纸的制备方法。本发明方法是，将热塑型聚氨酯颗粒料、醋酸乙烯酯与乙烯共聚物粉体即VAE以及无机复合填料按照一定的比例混合、造粒；将制得的粒料采用吹塑法、或压延法、或流延法进行制膜，控制膜的厚度为0.08mm～0.16mm；待膜冷却后，根据实际应用领域的需求将膜制品剪裁为合适尺寸，即得到高固墨型合成纸产品。本发明产品制备工艺简单，制得的合成纸墨迹吸收速度快、固定墨迹充分。The invention discloses a preparation method of high solid ink type synthetic paper. The method of the invention is to mix and granulate thermoplastic polyurethane granules, vinyl acetate and ethylene copolymer powder (VAE) and inorganic composite filler according to a certain ratio; the prepared granules are blow-molded or calendered The film is made by casting method or casting method, and the thickness of the film is controlled to be 0.08mm-0.16mm; after the film is cooled, the film product is cut to a suitable size according to the needs of the actual application field, and the high-solid ink type synthetic paper product is obtained. The preparation process of the product of the invention is simple, and the prepared synthetic paper has fast ink absorption speed and sufficient ink fixation.
Description
技术领域technical field
本发明属于有机－无机复合材料生产技术领域，具体涉及一种高固墨型合成纸的制备方法。The invention belongs to the technical field of organic-inorganic composite material production, and in particular relates to a preparation method of high-solid ink type synthetic paper.
背景技术Background technique
合成纸，又被称为第二代纸。它通常是利用化学原料(如烯烃类)再加入一些添加剂制作而成，具有质地柔软、抗拉力强、抗水性高、耐光、耐冷热等特点。合成纸不仅具有与植物纤维纸张同样的书写性和印刷性效果；同时，还具有塑料包装物所具有的核心性能，比如防水、防潮、防霉、防虫等。合成纸广泛地应用于高级艺术品、地图、画册、高档书刊等的印刷。Synthetic paper, also known as the second generation paper. It is usually made by using chemical raw materials (such as olefins) and adding some additives. It has the characteristics of soft texture, strong tensile strength, high water resistance, light resistance, and cold and heat resistance. Synthetic paper not only has the same writing and printing effects as plant fiber paper; at the same time, it also has the core properties of plastic packaging, such as waterproof, moisture-proof, mildew-proof, and insect-proof. Synthetic paper is widely used in the printing of high-end artworks, maps, picture albums, high-end books and periodicals, etc.
为了增加合成纸的油墨吸附性能，合成纸中使用了大量的无机填料—碳酸钙粉，这就使得所制得的合成纸产品存在手感偏硬，墨迹吸收慢、固墨能力有限等问题。另外，合成纸所使用的高分子材料(主要为聚烯烃类，如聚乙烯、聚丙烯、聚氯乙烯等)具有一定的疏水作用，而印刷所使用的墨水大部分为油墨的水分散体，从而导致合成纸的表面对墨水具有一定的排斥作用，不利于快速固墨和上色。因此，必须对合成纸的生产技术进行改进，才能拓展其应用领域。In order to increase the ink absorption performance of synthetic paper, a large amount of inorganic filler—calcium carbonate powder is used in synthetic paper, which makes the synthetic paper products have problems such as hard hand feeling, slow ink absorption, and limited ink fixing ability. In addition, the polymer materials used in synthetic paper (mainly polyolefins, such as polyethylene, polypropylene, polyvinyl chloride, etc.) have a certain hydrophobic effect, and most of the inks used in printing are water dispersions of inks. As a result, the surface of the synthetic paper has a certain repelling effect on the ink, which is not conducive to fast ink fixing and coloring. Therefore, the production technology of synthetic paper must be improved in order to expand its application field.
发明内容Contents of the invention
本发明的目的在于提供一种新型的高固墨型合成纸的制备方法。The purpose of the present invention is to provide a novel method for preparing high solid ink type synthetic paper.
本发明的目的是通过如下的技术方案来实现的：该高固墨型合成纸的制备方法，包括如下顺序的步骤：The purpose of the present invention is achieved through the following technical solutions: the preparation method of the high-solid ink type synthetic paper comprises the steps in the following order:
(1)将热塑型聚氨酯颗粒料、醋酸乙烯酯与乙烯共聚物粉体即VAE以及无机复合填料按照一定的比例混合、造粒；(1) Mix and granulate thermoplastic polyurethane granules, vinyl acetate and ethylene copolymer powder (VAE) and inorganic composite fillers in a certain proportion;
(2)将步骤(1)制得的粒料采用吹塑法、或压延法、或流延法进行制膜，控制膜的厚度为0.08mm～0.16mm；(2) The pellets prepared in step (1) are made into a film by blow molding, calendering, or casting, and the thickness of the film is controlled to be 0.08mm to 0.16mm;
(3)待膜冷却后，根据实际应用领域的需求将膜制品剪裁为合适尺寸，即得到高固墨型合成纸产品。(3) After the film is cooled, the film product is cut to a suitable size according to the needs of the actual application field, and a high-solid ink type synthetic paper product is obtained.
具体的，步骤(1)所得颗粒料中，热塑型聚氨酯颗粒料的质量百分含量是35％～45％，醋酸乙烯酯与乙烯共聚物粉体即VAE的质量百分含量是5％～10％，无机复合填料的质量百分含量是45％～60％。Specifically, in the pellets obtained in step (1), the mass percentage of thermoplastic polyurethane pellets is 35% to 45%, and the mass percentage of vinyl acetate and ethylene copolymer powder, namely VAE, is 5% to 45%. 10%, and the mass percentage of the inorganic composite filler is 45% to 60%.
具体的，步骤(1)所得颗粒料中，无机复合填料为碳酸钙和硅酸钙的混合物，并且是细度均为325～1250目的粉末；其中，碳酸钙的质量百分含量是25～35％，硅酸钙的质量百分含量是20～25％。Specifically, in the granular material obtained in step (1), the inorganic composite filler is a mixture of calcium carbonate and calcium silicate, and is a powder with a fineness of 325 to 1250 mesh; wherein, the mass percentage of calcium carbonate is 25 to 35 %, the mass percentage of calcium silicate is 20-25%.
具体的，步骤(1)中，所述热塑型聚氨酯颗粒料即TPU为聚醚型TPU、聚酯型TPU中的一种，其邵氏硬度为85A～95A。Specifically, in step (1), the thermoplastic polyurethane granules, that is, TPU, is one of polyether TPU and polyester TPU, and its Shore hardness is 85A-95A.
具体的，步骤(1)中，所述醋酸乙烯酯与乙烯共聚物粉体即VAE是细度为325～500目的粉末，其中VAE分子的数均相对分子质量为4万～7万。Specifically, in the step (1), the vinyl acetate-ethylene copolymer powder, namely VAE, is a powder with a fineness of 325-500 mesh, and the number-average relative molecular mass of VAE molecules is 40,000-70,000.
本发明首先采用热塑型聚氨酯材料、醋酸乙烯酯与乙烯共聚物粉体(VAE)与无机复合材料作为主要原料，并经合适的比例和适当的制膜方法生产高固墨型的合成纸产品。本发明方法制得的合成纸外观为白色，厚度在0.08～0.16mm之间，重量(以A4纸张面积计)介于1.30～2.35g之间。The present invention first adopts thermoplastic polyurethane material, vinyl acetate and ethylene copolymer powder (VAE) and inorganic composite material as main raw materials, and produces high-solid ink type synthetic paper products through suitable ratio and suitable film-making method . The appearance of the synthetic paper prepared by the method of the invention is white, the thickness is between 0.08-0.16mm, and the weight (according to the area of A4 paper) is between 1.30-2.35g.
本发明与现有合成纸生产技术相比，具有如下的优点：Compared with the existing synthetic paper production technology, the present invention has the following advantages:
(1)产品制备工艺简单：热塑型聚氨酯颗粒料、醋酸乙烯酯与乙烯共聚物粉体(VAE)和无机复合填料之间的混合、造粒设备均采用常规工业设备和操作条件；(1) The product preparation process is simple: the mixing and granulation equipment between thermoplastic polyurethane granules, vinyl acetate and ethylene copolymer powder (VAE) and inorganic composite fillers adopts conventional industrial equipment and operating conditions;
(2)墨迹吸收速度快：合成纸中热塑型聚氨酯、醋酸乙烯酯与乙烯共聚物的引入，大大提升了合成纸对墨水的吸收速度；合成纸在经印刷或书写后，墨水中的水份会快速被热塑型聚氨酯、醋酸乙烯酯与乙烯共聚物吸收；(2) Fast ink absorption speed: the introduction of thermoplastic polyurethane, vinyl acetate and ethylene copolymer in synthetic paper greatly improves the ink absorption speed of synthetic paper; after printing or writing on synthetic paper, the water in ink part will be quickly absorbed by thermoplastic polyurethane, vinyl acetate and ethylene copolymer;
(3)固定墨迹充分：所选用的无机复合材料分别为碳酸钙和硅酸钙的混合物，两种材料均对油墨具有良好的吸附效果，两者的复合吸附作用，使墨迹固定更充分。(3) Sufficient ink fixation: The selected inorganic composite materials are a mixture of calcium carbonate and calcium silicate. Both materials have good adsorption effects on ink, and the composite adsorption of the two makes ink fixation more sufficient.
具体实施方式Detailed ways
下面通过具体实施例来对本发明作进一步详细的描述，其中，所述原料均为工业化产品，设备为普通工业化的生产设备。The present invention will be further described in detail through specific examples below, wherein the raw materials are all industrial products, and the equipment is common industrial production equipment.
实施例1:Example 1:
称取邵氏硬度为85A的聚醚型TPU颗粒料35公斤，细度为325目、数均相对分子质量为4万的VAE粉体5公斤，无机复合填料60公斤(其中碳酸钙35公斤，硅酸钙25公斤，细度均为1250目)进行混合、造粒；将上述颗粒料通过吹膜法进行吹塑成膜，其样品的厚度控制为0.16mm；待膜冷却后，利用剪裁机进行剪裁即可得到高固墨型合成纸产品。Take by weighing 35 kilograms of polyether type TPU granules with a Shore hardness of 85A, 5 kilograms of VAE powder with a fineness of 325 orders and a number-average relative molecular mass of 40,000, and 60 kilograms of inorganic composite fillers (35 kilograms of calcium carbonate, Calcium silicate 25 kilograms, and fineness is 1250 order) carry out mixing, granulation; The above-mentioned granular material is blown into film by blown film method, and the thickness control of its sample is 0.16mm; After the film is cooled, utilize cutting machine Cutting can get high-solid ink-type synthetic paper products.
在本实施例中所得合成纸产品中TPU颗粒料质量百分含量为35.0％；VAE粉体质量百分含量为5.0％；无机填料质量百分含量为60.0％，其中碳酸钙的质量百分含量为35.0％，硅酸钙的质量百分含量为25.0％。合成纸产品颜色为白色，厚度为0.16mm，质量(以A4纸张面积计)为2.35g。In the synthetic paper product obtained in the present embodiment, the mass percentage of TPU pellets is 35.0%; the mass percentage of VAE powder is 5.0%; the mass percentage of inorganic filler is 60.0%, and the mass percentage of calcium carbonate is 35.0%, and the mass percentage of calcium silicate is 25.0%. The color of the synthetic paper product is white, the thickness is 0.16mm, and the mass (based on the area of A4 paper) is 2.35g.
实施例2:Example 2:
称取邵氏硬度为95A的聚酯型TPU颗粒料45公斤，细度为500目、数均相对分子质量为7万的VAE粉体10公斤，无机复合填料45公斤(其中碳酸钙25公斤，硅酸钙20公斤，细度均为325目)进行混合、造粒；将上述颗粒料通过吹膜法进行吹塑成膜，其样品的厚度控制为0.08mm；待膜冷却后，利用剪裁机进行剪裁即可得到高固墨型合成纸产品。Take by weighing 45 kilograms of polyester TPU pellets with a Shore hardness of 95A, 10 kilograms of VAE powder with a fineness of 500 orders and a number-average relative molecular mass of 70,000, and 45 kilograms of inorganic composite fillers (25 kilograms of calcium carbonate, 20 kilograms of calcium silicate, the fineness is 325 orders) to mix and granulate; the above-mentioned granules are blown into film by the film blowing method, and the thickness of the sample is controlled to be 0.08mm; after the film is cooled, use a cutting machine Cutting can get high-solid ink-type synthetic paper products.
在本实施例中所得合成纸产品中TPU颗粒料质量百分含量为45.0％；VAE粉体质量百分含量为10.0％；无机填料质量百分含量为45.0％，其中碳酸钙的质量百分含量为25.0％，硅酸钙的质量百分含量为20.0％。合成纸产品颜色为白色，厚度为0.08mm，质量(以A4纸张面积计)为1.30g。In the synthetic paper product obtained in the present embodiment, the mass percentage of TPU pellets is 45.0%; the mass percentage of VAE powder is 10.0%; the mass percentage of inorganic filler is 45.0%, wherein the mass percentage of calcium carbonate is 25.0%, and the mass percentage of calcium silicate is 20.0%. The color of the synthetic paper product is white, the thickness is 0.08mm, and the mass (based on the area of A4 paper) is 1.30g.
实施例3:Embodiment 3:
称取邵氏硬度为85A的聚醚型TPU颗粒料35公斤，细度为500目、数均相对分子质量为7万的VAE粉体10公斤，无机复合填料55公斤(其中碳酸钙30公斤，硅酸钙25公斤，细度均为1000目)进行混合、造粒；将上述颗粒料通过吹膜法进行吹塑成膜，其样品的厚度控制为0.14mm；待膜冷却后，利用剪裁机进行剪裁即可得到高固墨型合成纸产品。Take by weighing 35 kilograms of polyether type TPU pellets with a Shore hardness of 85A, 10 kilograms of VAE powder with a fineness of 500 orders and a number-average relative molecular mass of 70,000, and 55 kilograms of inorganic composite fillers (wherein 30 kilograms of calcium carbonate, Calcium silicate 25 kilograms, and fineness is 1000 order) carry out mixing, granulation; The above-mentioned granular material is blown into film by film blowing method, and the thickness control of its sample is 0.14mm; After the film is cooled, utilize cutting machine Cutting can get high-solid ink-type synthetic paper products.
在本实施例中所得合成纸产品中TPU颗粒料质量百分含量为35.0％；VAE粉体质量百分含量为10.0％；无机填料质量百分含量为55.0％，其中碳酸钙的质量百分含量为30.0％，硅酸钙的质量百分含量为25.0％。合成纸产品颜色为白色，厚度为0.14mm，质量(以A4纸张面积计)为2.12g。In the synthetic paper product obtained in the present embodiment, the mass percentage of TPU pellets is 35.0%; the mass percentage of VAE powder is 10.0%; the mass percentage of inorganic filler is 55.0%, and the mass percentage of calcium carbonate is 30.0%, and the mass percentage of calcium silicate is 25.0%. The color of the synthetic paper product is white, the thickness is 0.14mm, and the mass (based on the area of A4 paper) is 2.12g.
实施例4:Embodiment 4:
称取邵氏硬度为95A的聚酯型TPU颗粒料45公斤，细度为325目、数均相对分子质量为4万的VAE粉体5公斤，无机复合填料50公斤(其中碳酸钙25公斤，细度为600目；硅酸钙25公斤，细度为800目)进行混合、造粒；将上述颗粒料通过吹膜法进行吹塑成膜，其样品的厚度控制为0.10mm；待膜冷却后，利用剪裁机进行剪裁即可得到高固墨型合成纸产品。Take by weighing 45 kilograms of polyester TPU granules with a Shore hardness of 95A, 5 kilograms of VAE powder with a fineness of 325 orders and a number-average relative molecular mass of 40,000, and 50 kilograms of inorganic composite fillers (25 kilograms of calcium carbonate, Fineness is 600 mesh; Calcium silicate 25 kilograms, fineness is 800 mesh) carry out mixing, granulation; The above-mentioned granular material is blown into film by blown film method, and the thickness of its sample is controlled as 0.10mm; Wait for the film to cool Finally, the high-solid ink type synthetic paper product can be obtained by cutting with a cutting machine.
在本实施例中所得合成纸产品中TPU颗粒料质量百分含量为45.0％；VAE粉体质量百分含量为5.0％；无机填料质量百分含量为50.0％，其中碳酸钙的质量百分含量为25.0％，硅酸钙的质量百分含量为25.0％。合成纸产品颜色为白色，厚度为0.10mm，质量(以A4纸张面积计)为1.66g。In the synthetic paper product obtained in the present embodiment, the mass percentage of TPU pellets is 45.0%; the mass percentage of VAE powder is 5.0%; the mass percentage of inorganic filler is 50.0%, and the mass percentage of calcium carbonate is 25.0%, and the mass percentage of calcium silicate is 25.0%. The color of the synthetic paper product is white, the thickness is 0.10mm, and the mass (based on the area of A4 paper) is 1.66g.
实施例5:Embodiment 5:
称取邵氏硬度为90A的聚醚型TPU颗粒料40公斤，细度为400目、数均相对分子质量为5万的VAE粉体8公斤，无机复合填料52公斤(其中碳酸钙30公斤，细度为700目；硅酸钙22公斤，细度为900目)进行混合、造粒；将上述颗粒料通过吹膜法进行吹塑成膜，其样品的厚度控制为0.12mm；待膜冷却后，利用剪裁机进行剪裁即可得到高固墨型合成纸产品。Take by weighing 40 kilograms of polyether type TPU pellets with a Shore hardness of 90A, 8 kilograms of VAE powder with a fineness of 400 orders and a number-average relative molecular mass of 50,000, and 52 kilograms of inorganic composite fillers (30 kilograms of calcium carbonate, Fineness is 700 meshes; 22 kilograms of calcium silicate, fineness is 900 meshes) carry out mixing, granulation; The above-mentioned granular material is blown into film by blown film method, and the thickness of its sample is controlled as 0.12mm; Wait for film to cool Finally, the high-solid ink type synthetic paper product can be obtained by cutting with a cutting machine.
在本实施例中所得合成纸产品中TPU颗粒料质量百分含量为40.0％；VAE粉体质量百分含量为8.0％；无机填料质量百分含量为52.0％，其中碳酸钙的质量百分含量为30.0％，硅酸钙的质量百分含量为22.0％。合成纸产品颜色为白色，厚度为0.12mm，质量(以A4纸张面积计)为1.95g。In the synthetic paper product obtained in the present embodiment, the mass percentage of TPU pellets is 40.0%; the mass percentage of VAE powder is 8.0%; the mass percentage of inorganic filler is 52.0%, and the mass percentage of calcium carbonate is 30.0%, and the mass percentage of calcium silicate is 22.0%. The color of the synthetic paper product is white, the thickness is 0.12mm, and the mass (based on the area of A4 paper) is 1.95g.
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