Printing ink for polypropylene material and preparation method thereof

A technology of polypropylene material and printing ink, which can be applied in ink, application, household utensils, etc. It can solve the problems of many matrix components, high cost, short and thick molecular chains, etc., to reduce environmental pollution and have good flex resistance , good combination effect

Active Publication Date: 2014-03-05
昆山大世界油墨涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Requires large equipment, unsafe disposal methods, and pollutes the environment
All countries have invested a lot of human and financial resources in research in this area, but they have not completely solved the problem of poor adhesion of polypropylene materials.
Chinese patent CN101469151B discloses a screen printing ink for polypropylene plastics. In this ink, cyclized rubber and chlorinated polypropylene are used as the resin matrix, together with additives, solvents, fillers and pigments. The invention utilizes cyclized During the cyclization reaction of rubber, the linear polymer chain with unsaturated double bonds is transformed into a linear polymer chain with a special polycyclic structure. The molecular chain becomes significantly shorter and thicker, and the polarity also increases, thereby increasing the polymerization Adhesion between material and ink; but in t

Method used

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  • Printing ink for polypropylene material and preparation method thereof
  • Printing ink for polypropylene material and preparation method thereof
  • Printing ink for polypropylene material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1: A kind of printing ink for polypropylene material, described printing ink for polypropylene material is made up of A component and B component, wherein, the number ratio of A component and B component is A component: B Components=100:1; the component A includes, by mass percentage: 60% modified polyurethane, 3% cellulose, 3% pigment, 4% polymer dispersant, and 30% solvent. The B component is a hardener. The solvent used in this example is a mixed solvent of butyl ester and isopropanol.

[0040] The preparation method of the printing ink for polypropylene material of the present embodiment comprises the steps:

[0041] Step 1: Add solvent, polymer dispersant, and cellulose to the stirring container in sequence, and stir the stirring container at a speed of 800 rpm until the components are evenly mixed to obtain a mixture; Step 2: Add coloring material and Modified polyurethane, the stirring container was stirred at a rotating speed of 800rpm for 90min, so...

Embodiment 2

[0042] Example 2: A printing ink for polypropylene materials, consisting of component A and component B, the ratio of the two is component A: component B = 100:1, the component A is by mass percentage , including the following components:

[0043] 60% modified polyurethane, 3% cellulose, 2% titanium dioxide, 2% polymer dispersant, 33% solvent; the B component is a hardener. What cellulose adopted in the present embodiment is the CAB381-2 that U.S. Eastman Company produces; What hardener adopts is the D-110N that Mitsui Chemicals produces; What polymer dispersant adopts is the SOLSPERE that lubrizol Company produces; What solvent adopts is ethyl acetate The mixed solvent compounded by ester and isopropanol; the product of trade name F-206X produced by manufacturer Arakawa Chemical Industry Co., Ltd. for use of modified polyurethane.

[0044] The preparation method of the printing ink for polypropylene material of the present embodiment comprises the steps:

[0045] Step 1: Ad...

Embodiment 3

[0046] Example 3: A printing ink for polypropylene materials, consisting of A component and B component, the ratio of A component to B component is A component: B component = 100:5, the A Components include by mass percentage:

[0047] 70% modified polyurethane, 5% cellulose, and 25% solvent; the B component is a hardener. What the cellulose used in this embodiment is CAB381-2 produced by U.S. Eastman Company; what the hardener adopts is D-110N produced by Mitsui Chemicals; The product of Arakawa Chemical Industry Co., Ltd. under the trade name F-206X.

[0048] The preparation method of the printing ink for polypropylene material of the present embodiment comprises the steps:

[0049] Step 1: Add the mixed solvent and cellulose to the stirring container in turn, and stir the stirring container at a speed of 1000rpm until the components are evenly mixed to obtain a mixture; Step 2: Add modified polyurethane to the mixture in Step 1, and stir the container Stir at 800rpm for ...

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Abstract

The invention discloses a printing ink for a polypropylene material and a preparation method thereof. The printing ink for the polypropylene material is composed of a component A and a component B, wherein the ratio of the component A to the component B is 100: (1-5); the component A comprises the following components by mass percent: 40%-70% of modified polyurethane, 3%-5% of celluloses, 0%-10% of pigment, 0%-5% of polymeric dispersant and 20%-40% of solvent; and the component B is a hardener. In this way, the ink provided by the invention is good in adhesion to a polypropylene substrate and the coating formed is good in glossiness, weather fastness, wear resistance, solvent resistance and bending resistance; and the ink is low in pollution on the environment and suitable for mass production and large-area use.

Description

technical field [0001] The invention relates to the field of ink coating preparation, in particular to an ink suitable for direct printing on the surface of a polypropylene material and a preparation method thereof. Background technique [0002] Polypropylene plastic is polymerized from propylene monomer. It is a colorless, odorless and non-toxic non-polar polymer compound. It can be made into thin films and hard plastic products. It will not produce harmful gases that endanger human health and the environment, so it has gradually developed into the most important application material at present. In the printing industry, polypropylene daily-use products, packaging bags, medical equipment products, and industrial woven products are all important types of substrate materials. Polypropylene plastic is characterized by low polarity, high degree of crystallization, low surface energy, high stereoregularity, and high natural cohesion. It is printed with general ink and has poor ...

Claims

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Application Information

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IPC IPC(8): C09D11/102
Inventor 许文程张良祥周琬蓉郭智远谢建忠陈志杰郭平芳
Owner 昆山大世界油墨涂料有限公司
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