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White ink for composite reinforcing material and preparation method of white ink

A technology for reinforcing materials and inks, which is applied in the field of white ink for composite reinforcing materials and its preparation, can solve problems such as high solid content and low viscosity, achieve good mechanical properties, improve scratch resistance, and enhance decolorization ability. Effect

Inactive Publication Date: 2018-03-13
ANHUI XINCHEN OPTICAL NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Resin adhesives are widely used in different fields because of their good adhesion, moisture resistance and heat resistance. For example, Chinese patent publication number CN103265844A is prepared with acrylic resin, polyvinyl butyral resin and titanium dioxide Environmental protection, non-toxic, recyclable white printing label ink, Chinese Patent Publication No. CN102757692A uses thermosetting resin, crosslinking agent, curing agent and inorganic fillers to prepare a thermosetting white ink with good flexibility and no yellowing, but at present Most of the white inks cannot have the properties of high solid content, low viscosity, strong adhesion, yellowing resistance and environmental friendliness at the same time

Method used

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  • White ink for composite reinforcing material and preparation method of white ink
  • White ink for composite reinforcing material and preparation method of white ink
  • White ink for composite reinforcing material and preparation method of white ink

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A kind of white ink for composite reinforcing material comprises following weight ratio composition:

[0026]

[0027] A preparation method of white ink for composite reinforcing material, the specific steps are as follows:

[0028] 1) Mother liquor configuration: Weigh each component according to the formula content, add 25% by weight aliphatic acrylic resin into the solvent, stir until the aliphatic acrylic resin dissolves, then add 1 / 10 of curing agent N75, Stir at a high speed of 1600r / min for pre-curing for 10 minutes, then add 12% low molecular weight epoxy resin, stir and mix evenly until the epoxy resin is completely dissolved to obtain a mother liquor;

[0029] 2) Ink synthesis: Add white filler with a particle size of 300 mesh and 1.5% BKY011 auxiliary agent mixed with titanium dioxide and talcum powder with a mass ratio of 2:1 to the mother liquor, stir and mix evenly at a speed of 2000r / min, and finally Add the remaining amount of curing agent N75, and c...

Embodiment 2

[0031] The preparation method of the white ink for composite reinforcing material in this embodiment is the same as that in Example 1, the difference is that a white ink for composite reinforcing material includes the following weight ratio components:

[0032]

Embodiment 3

[0034] The preparation method of the white ink for composite reinforcing material in this embodiment is the same as that in Example 1, the difference is that a white ink for composite reinforcing material includes the following weight ratio components:

[0035]

[0036]

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Abstract

The invention discloses white ink for a composite reinforcing material and relates to the field of composite reinforcing material preparation. The white ink for the composite reinforcing material comprises the following components in percentage by weight: 20-30% of an aliphatic series acrylic resin, 10-15% of a low molecular weight epoxy resin, 20-30% of white packing, 10-20% of a curing agent, 1-4% of aids and the balance of a solvent. The low molecular weight epoxy resin and the aliphatic series acrylic resin are enabled to react to form a net structure, so that the high temperature resistance and the yellowing resistance of ink are improved, meanwhile the reflection rate of an ink membrane is increased through the white packing with talcum powder and titanium dioxide, radiation heat accumulation is reduced, and the white ink which is high in solid content, low in viscosity, good in adhesion property, good in yellowing resistance and environmental-friendly for the composite reinforcing material is prepared.

Description

technical field [0001] The invention belongs to the technical field of flexible circuit board processing, specifically relates to the field of preparation of composite reinforcing materials, in particular to a white ink for composite reinforcing materials and a preparation method thereof. Background technique [0002] Flexible circuit board is a kind of highly reliable and excellent flexible printed circuit board made of polyimide or polyester film as the base material. Referred to as soft board or FPC, it has the characteristics of high wiring density, light weight, and thin thickness. In order to make the flexible circuit board have sufficient support strength when soldering or plugging in and out, the flexible circuit board often needs to be bonded and reinforced in some places as a support body to improve the strength of the plug-in part and facilitate the overall composition of the product. According to different uses, polyimide-based reinforcement boards can be divide...

Claims

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Application Information

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IPC IPC(8): C09D11/107C09D11/102C09D11/037
CPCC09D11/037C09D11/102C09D11/107
Inventor 周有文周小马胡必刚郑诗友
Owner ANHUI XINCHEN OPTICAL NEW MATERIALS
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