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Formula and preparation method of waterborne polyurethane ink vehicle for food flexible packaging

A technology for ink binders and flexible packaging, applied in inks, applications, household appliances, etc., can solve the problems of slow curing of two-component inks, affecting production efficiency, loss of flexibility, etc., and achieves excellent high-temperature cooking resistance and good environment Protective, effects that meet the conditions of use

Active Publication Date: 2020-10-02
沾化神茂皮革助剂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the glass transition temperature of acrylonitrile monomer is 97°C, and it is a hard monomer. It also has the disadvantage of improving heat resistance while losing flexibility and increasing brittleness.
[0005] Although the two-component ink can achieve the performance of high-temperature cooking resistance, on the one hand, adding the curing agent is inconvenient to operate, which affects the production efficiency; on the other hand, the prepared two-component ink must be used within the specified time. Two-component ink will slowly solidify, which is very easy to cause waste

Method used

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  • Formula and preparation method of waterborne polyurethane ink vehicle for food flexible packaging
  • Formula and preparation method of waterborne polyurethane ink vehicle for food flexible packaging
  • Formula and preparation method of waterborne polyurethane ink vehicle for food flexible packaging

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] The formula of water-based polyurethane ink binder for food flexible packaging includes:

[0040] Polyether polyol SE-2038 (M=3000) of Shandong Dexin Chemical: 200.6kg, isophorone diisocyanate (IPDI): 27.9kg, hexamethylene diisocyanate (HDI): 14.1kg, bismuth sulfonic acid Base catalyst: 0.1174kg, dimethylolpropionic acid: 6.0kg, 1,6-hexanediol: 1.4kg, 1,2-propanediol carbonate: 30kg, dimethylaminoethanol: 4.0kg, German BASF antioxidant Irganox1010: 1.0kg, German BASF UV absorber TINUVIN 329: 1.0kg, Eastman cellulose acetate butyrate CAB-381-0.1: 2.0kg, deionized water: 357kg, non-ionic fatty alcohol polyoxyalkylene of Jiangsu Haian Chemical Industry Ether SF: 3.0 kg, ethylenediamine: 4.2 kg.

[0041] The preparation method of water-based polyurethane ink binder for food flexible packaging comprises the following steps:

[0042] (a) Synthesis of polyurethane prepolymer

[0043] Add polyether polyol SE-2038 (M=3000) and IPDI, HDI into the reactor, start stirring, contr...

Embodiment 2

[0049] The formula of water-based polyurethane ink binder for food flexible packaging includes:

[0050] Polyether polyol SE-2028 (M=4000) of Shandong Dexin Chemical: 203.6kg, IPDI: 25.5kg, HDI: 12.9kg, bismuth sulfonic acid catalyst: 0.1245kg, dimethylolpropionic acid: 6.5kg, 1,6-hexanediol: 1.5kg, 1.2-propylene glycol carbonate: 35kg, dimethylaminoethanol: 4.3kg, German BASF antioxidant Irganox 1010: 1.5kg, German BASF ultraviolet absorber TINUVIN 329: 1.5kg, Yi Shiman cellulose acetate butyrate CAB-381-0.1: 2.0kg, deionized water: 348kg, non-ionic fatty alcohol polyoxyalkyl ether SF of Jiangsu Haian Chemical Industry: 3.5kg, ethylenediamine: 4.0kg.

[0051] The preparation method of water-based polyurethane ink binder for food flexible packaging comprises the following steps:

[0052] (a) Synthesis of polyurethane prepolymer

[0053] Add polyether polyol SE-2028 (M=4000) and IPDI, HDI into the reactor, start stirring, control the temperature at 88°C for the first step of ...

Embodiment 3

[0059] The formula of water-based polyurethane ink binder for food flexible packaging includes:

[0060] Yantai Huada's polyester polyol CMA-66 (M=3000): 189.9kg, IPDI: 33.0kg, HDI: 16.6kg, bismuth sulfonic acid catalyst: 0.1436kg, dimethylolpropionic acid 7.0kg, 1, 4-cyclohexanedimethanol: 3.5kg, 1.2-propylene glycol carbonate: 35kg, dimethylaminopropanol: 4.6kg, German BASF antioxidant Irganox 1010: 2.0kg, German BASF ultraviolet absorber TINUVIN 329: 2.0kg, Eastman cellulose acetate butyrate CAB-381-0.1: 2.5kg, deionized water: 373kg, Jiangsu Haian Chemical Nonionic Fatty Alcohol Polyoxyalkylene Ether SF: 4.0kg, isophorone diamine: 15.0kg.

[0061] The preparation method of water-based polyurethane ink binder for food flexible packaging comprises the following steps:

[0062] (a) Synthesis of polyurethane prepolymer

[0063] Add polyester polyol CMA-66, IPDI, and HDI into the reactor, start stirring, control the temperature at 90°C for the first step of prepolymerization,...

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Abstract

The invention provides a formula and a preparation method of a water-based polyurethane ink vehicle for flexible packaging. The formula comprises the following components in parts by weight: 18.99-20.36 parts of polyols, 1.29-3.3 parts of diisocyanate, 0.01174-0.016 parts of a catalyst, 0.6-0.8 parts of a hydrophilic chain extender, 0.14-0.35 parts of a small molecular chain extender, 0.4-0.53 parts of a neutralizer, 0.1-0.2 parts of an antioxidant, 0.1-0.2 parts of an ultraviolet light resistant absorbent, 3.0-4.0 parts of a solvent, 0.2-0.25 parts of cellulose acetate butyrate, 34.8-37.3 parts of water, 0.3-0.4 parts of a low-foam penetrating agent and 0.4-1.5 parts of an amine chain extender. By means of the technical scheme, the prepared waterborne polyurethane ink vehicle has good environmental protection performance, a formed film is not crisp, excellent flexibility and excellent high-temperature steaming resistance are achieved, and the use conditions of food flexible packagingare met.

Description

technical field [0001] The invention relates to the technical field of preparation of organic polymer materials, in particular to a formulation of a water-based polyurethane ink binder for food flexible packaging and a preparation method for a water-based polyurethane ink binder for food flexible packaging. Background technique [0002] The use of water-based polyurethane in food flexible packaging printing inks not only requires safety and environmental protection, but also requires that the film should not become brittle, have excellent flexibility, and also have excellent high-temperature cooking resistance. High temperature cooking resistance mainly depends on heat resistance, water resistance and adhesion performance. [0003] In related technologies, for example, the patent application number 201310284339.4 discloses a high-solid, low-viscosity high-temperature cooking-resistant polyurethane adhesive composition and its preparation method. The epoxy resin is used to mo...

Claims

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Application Information

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IPC IPC(8): C09D11/102C09D11/03C08G18/75C08G18/73C08G18/66C08G18/48C08G18/10C08G18/34C08G18/32
CPCC09D11/102C09D11/03C08G18/755C08G18/73C08G18/722C08G18/48C08G18/10C08G18/348C08G18/3206
Inventor 刘杰华李学峰张士强刘明超张世刚
Owner 沾化神茂皮革助剂有限公司
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