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Pigment printing binder and pigment printing production technology

A paint printing and adhesive technology, which is applied to the production process of paint printing and the field of paint printing adhesives, achieves the effects of increasing controllability, eliminating pre-baking treatment steps and increasing varieties.

Inactive Publication Date: 2018-08-17
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the deficiencies in the prior art, the present invention provides a pigment printing adhesive. The printing adhesive adopts anhydrous and solvent-free polyurea substances, which not only solves the problem of environmental protection and energy saving in the fabric pigment printing process, but also Successfully applied polyurea binder in pigment printing process, which greatly improved the quality and performance of pigment printing

Method used

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  • Pigment printing binder and pigment printing production technology
  • Pigment printing binder and pigment printing production technology
  • Pigment printing binder and pigment printing production technology

Examples

Experimental program
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Effect test

Embodiment 1

[0037] This embodiment relates to a pigment printing adhesive, which is an anhydrous and solvent-free polyurea substance, mainly composed of an isocyanate component and a latent curing agent through a speed-controlled The curing reaction forms a polyurea binder that adheres the pigment to the surface of the fabric.

[0038] The isocyanate component includes: one or any mixture of polyisocyanate monomers and isocyanate-terminated prepolymers;

[0039]Among them, the polyisocyanate monomer requires an average functional group of at least 2, and the preferred polyisocyanate monomers are: toluene diisocyanate (TDI), diphenylmethane diisocyanate (MDI), isophorone diisocyanate (IPDI), bicyclic Hexylmethane diisocyanate (HMDI), hexamethylene diisocyanate (HDI), lysine diisocyanate (LDI), hexamethylene diisocyanate trimer (HDI trimer)

[0040] The preferred isocyanate-terminated prepolymer is: NCO is prepared by reacting polyether polyol, polyester polyol or amino-terminated polyethe...

Embodiment 2

[0058] This embodiment relates to the application of the polyurea adhesive of Embodiment 1 in the fabric pigment printing process.

Embodiment 21

[0060] Pigment printing of fabrics is carried out as follows:

[0061] a, pulping: get 290 grams of terminal isocyanate prepolymer A-1 and 70 grams of isocyanate A-2 and mix evenly, then add and mix with 200 grams of paint color paste, 180 gram thickener (using conventional commercially available paint color paste and Thickener) latent curing agent B-1 mixture 530 grams, blend evenly, obtain coating slurry;

[0062] b. Use the paint slurry to print on the fabric, and then bake at 120°C for 5 minutes to complete the printing process.

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Abstract

The invention discloses a pigment printing binder which is a polyurea substance without water and a solvent and is a polyurea binder which enables a pigment to be adhered to the surface of a fabric and is mainly prepared by performing curing reaction at a controllable speed on a isocyanate component and a latent curing agent in the pigment printing baking process of the fabric. Meanwhile, the invention also provides a pigment printing production technology using the binder. By adopting the technical scheme of the invention, curing of polyurea is successfully changed from instant several-secondreaction into controllable reaction ranging from several minutes to several hours, different speed demands of printing technologies are fully met, and application of the polyurea binder to the pigment printing field is realized. The acquired polyurea binder solves the environmental protection problem in the pigment printing technological process, greatly improves the quality and the properties ofpigment printing, has both the advantages of environmental protection and use performance, increases the variety of the printing binder and can also remarkably promote the development of a fabric printing technology.

Description

technical field [0001] The invention relates to the field of pigment printing, in particular to a pigment printing adhesive and a pigment printing production process using the adhesive. Background technique [0002] Pigment printing is a fabric printing process, which is a printing method that uses the principle of adhesive film formation on the surface of the fabric to adhere non-affinity and reactive pigments to the fabric. Paint is different from dyes. It is not reactive to fibers and cannot be combined with fibers. The principle of "coloring" on fibers is mainly by means of adhesives, which are fixed on the surface of fibers. Therefore, paint printing is not limited by fabric fibers. It is also not affected by the weaving method. Generally, after printing, it only needs to fix the color without washing, which shortens the process flow, saves energy, and avoids the pollution of printing and dyeing wastewater to the environment, so it has been vigorously developed. The co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06P1/52C08G18/79C08G18/75C08G18/66C08G18/48C08G18/28C08G18/10
CPCC08G18/10C08G18/287C08G18/48C08G18/6666C08G18/725C08G18/755C08G18/792D06P1/5285
Inventor 刘欣伟刘方方王姗叶梦醒邢红立刘丽
Owner HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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