Film paper printing binder as well as preparation method and application thereof

A technology of connecting material and film paper, applied in the application, household appliances, ink and other directions, can solve the problems of low definition of fonts on the surface of film paper, unsatisfactory adhesion, great harm, etc., to achieve clear handwriting and neat patterns. The effect of high intensity and reduced hazard

Pending Publication Date: 2020-10-02
SHANGHAI CHANGFA NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the harmfulness of the raw materials of the membrane paper printing binder in the prior art. When coating the base paper of the membrane paper, there will be unsatisfactory cohesive force, which will cause the font clarity on the surface of the membrane paper after printing. Not high, falling powder and other defects, but to provide a film and paper printing binder and its preparation method and application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] (1) Mix 7 parts of PVA with model number 2088 and 93 parts of water, and gelatinize at 75°C for 1 hour to obtain material A;

[0036] (2) Mix the material A prepared in step (1) with 15 parts of styrene-butadiene latex 500H, keep it warm at 100°C for 0.5h, cool down to room temperature after keeping warm, and discharge.

[0037] The membrane-paper printing binder of Example 1 has no sticky roll phenomenon during the preparation process; the membrane-paper printing binder made in Example 1 is coated on the base paper of the membrane paper, and there is no powder dropping phenomenon; after printing, soaking in water does not The color will fade, and the printed patterns are neat and clear.

Embodiment 2

[0039] (1) Mix 10 parts of PVA with model number 1799 and 90 parts of water, and gelatinize at 50°C for 2 hours to obtain material A;

[0040] (2) Mix the material A prepared in step (1) with 30 parts of styrene-butadiene latex 500H, heat it at 75°C for 2 hours, cool it down to room temperature after heat preservation, and discharge.

[0041] The membrane-paper printing binder of Example 2 has no sticky roll phenomenon during the preparation process; the membrane-paper printing binder made in Example 2 is applied on the base paper of the membrane paper, and no powder dropping phenomenon occurs; after printing, soaking in water does not The color will fade, and the printed patterns are neat and clear.

Embodiment 3

[0043] (1) Mix 15 parts of PVA with model number 2099 and 85 parts of water, and gelatinize at 65°C for 0.5h to obtain material A;

[0044] (2) Mix the material A prepared in step (1) with 24 parts of styrene-butadiene latex 500H, heat it at 85°C for 1 hour, cool it down to room temperature after heat preservation, and discharge.

[0045] The film-paper printing binder of Example 3 has no sticky roll phenomenon during the preparation process; the film-paper printing binder made in Example 3 is coated on the film paper base paper, and no powder falling phenomenon occurs; after printing, soaking in water does not The color will fade, and the printed patterns are neat and clear.

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Abstract

The invention discloses a film paper printing binder as well as a preparation method and application thereof. The invention discloses a preparation method of a film paper printing binder. The film paper printing binder is prepared from the following raw materials in parts by weight: 5-17 parts of PVA, 80-95 parts of water and 13-32 parts of latex, wherein the glass transition temperature of the latex is greater than or equal to 13 DEG C. The preparation method of the film paper printing binder comprises the following steps: (1) gelatinizing PVA and water to prepare a material A; and (2) reacting the material A with latex. Wherein in the step (1), the gelatinization temperature is 50-80 DEG C. Compared with the existing binder, the raw material PVA has the advantages that the harm is greatly reduced, the preparation process is simple, and the requirement on reaction equipment is not high; when the film paper printing binder prepared by the method is used for coating film paper base paper, the film paper printing binder shows relatively strong cohesiveness, does not fade after being soaked in water after printing, and printed patterns are relatively high in tidiness, not easy to droppowder and high in coating uniformity.

Description

technical field [0001] The invention specifically relates to a film-paper printing connecting material and its preparation method and application. Background technique [0002] Binders, also known as printing aids, are an important part of printing dyes and the fluid part of dyes. The rheology, viscosity, drying, film-forming and printing properties of printing dyes mainly depend on the binder. The solid content in the dye can be uniformly dispersed in the manufacturing process by relying on the load-bearing and dispersing effect of the binder, and the transfer and transfer in the printing process can be completed by its viscosity, and the fastness of the imprint to form a gloss on the printed matter depends on the drying and film-forming properties of the binder. film to protect the pigment. [0003] At present, most of the binder materials used in film paper printing products are organic solvents such as petroleum distillates, benzene and its derivatives, or toxic and co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/106
CPCC09D11/106
Inventor 施晓旦孙海强赵吉
Owner SHANGHAI CHANGFA NEW MATERIAL CO LTD
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