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Environmental-friendly thermosetting acrylic resin and preparation method thereof

An acrylic resin and thermosetting technology, which is applied in the field of environmentally friendly thermosetting acrylic resin and its preparation, can solve the problems of limited detection of benzene series, poor heat resistance, and easy oxidation of the finished film, etc., and achieve no abnormal toxicity and unwinding performance Excellent, satisfactory effect

Active Publication Date: 2018-12-11
莱阳红安化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In addition, using the previous benzene-containing thermosetting acrylic resin, the drug pack coating made has poor heat resistance, and the heat resistance is less than 200 ° C. The drug pack coating is coated on aluminum foil and is easily oxidized and less than 2 ml.
[0007] At present, there are new requirements in the drug pack coating industry, which stipulate that the detection of benzene series in the finished film is limited, so it is necessary to replace the benzene-free thermosetting acrylic resin, and the temperature resistance of the film-forming material must be improved, and the oxidation resistance cannot be reduced. At present, there is no environmentally friendly thermosetting acrylic resin that can meet the above technical requirements on the market. Therefore, there is an urgent need for an environmentally friendly thermosetting acrylic resin that does not contain any prohibited benzene and meets the requirements of the new industry regulations for drug pack coatings and coating films.

Method used

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  • Environmental-friendly thermosetting acrylic resin and preparation method thereof
  • Environmental-friendly thermosetting acrylic resin and preparation method thereof
  • Environmental-friendly thermosetting acrylic resin and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] An environmentally friendly thermosetting acrylic resin of this embodiment includes the following raw materials:

[0048] Pot bottom material: 15 grams of n-butyl acetate, 15 grams of n-propyl acetate;

[0049] Mixture of monomer and initiator: 2 grams of methyl methacrylate, 6 grams of tert-butyl methacrylate, 6 grams of styrene, 20 grams of n-butyl acrylate, 10 grams of hydroxypropyl acrylate, 0.5 grams of acrylic acid, 1 , 0.5 g of 1-bis(tert-butylperoxy)cyclohexane and 1 g of n-butyl acetate;

[0050] Initiator 1: 0.15 g of 1,1-bis(tert-butylperoxy)cyclohexane and 1 g of n-butyl acetate;

[0051] Initiator 2: 1,1-bis(tert-butylperoxy)cyclohexane 0.15 g, n-butyl acetate 1 g;

[0052] Diluent: 5 grams of n-propyl acetate;

[0053] A preparation method of environmentally friendly thermosetting acrylic resin includes the following steps:

[0054] 1. Add 15 grams of n-butyl acetate and 15 grams of n-propyl acetate to the reaction kettle, pour nitrogen into the reaction kettle and r...

Embodiment 2

[0060] An environmentally friendly thermosetting acrylic resin of this embodiment includes the following raw materials:

[0061] Pot bottom materials: 25 grams of n-butyl acetate, 5 grams of n-propyl acetate, 5 grams of methyl acetate;

[0062] Mixture of monomer and initiator: 3 grams of methyl methacrylate, 7 grams of tert-butyl methacrylate, 7 grams of styrene, 23 grams of n-butyl acrylate, 11 grams of hydroxypropyl acrylate, 0.7 grams of acrylic acid, 1 , 0.7 g of 1-bis(tert-butylperoxy)cyclohexane, 1 g of n-butyl acetate;

[0063] Initiator 1: 0.17 g of 1,1-bis(tert-butylperoxy)cyclohexane and 1 g of n-butyl acetate;

[0064] Initiator 2: 0.17 g of 1,1-bis(tert-butylperoxy)cyclohexane, 1 g of n-butyl acetate;

[0065] Diluent: 6 grams of n-propyl acetate;

[0066] A preparation method of environmentally friendly thermosetting acrylic resin includes the following steps:

[0067] 1. Add 25 grams of n-butyl acetate, 5 grams of n-propyl acetate, and 5 grams of methyl acetate to the reac...

Embodiment 3

[0074] An environmentally friendly thermosetting acrylic resin of this embodiment includes the following raw materials:

[0075] Pot bottom materials: 30 grams of n-butyl acetate, 5 grams of n-propyl acetate, 3 grams of methyl acetate;

[0076] Mixture of monomer and initiator: 4 grams of methyl methacrylate, 8 grams of tert-butyl methacrylate, 8 grams of styrene, 25 grams of n-butyl acrylate, 13 grams of hydroxypropyl acrylate, 0.8 grams of acrylic acid, 1 , 0.9 g of 1-bis(tert-butylperoxy)cyclohexane and 1 g of n-butyl acetate;

[0077] Initiator 1: 0.2 g of 1,1-bis(tert-butylperoxy)cyclohexane and 1 g of n-butyl acetate;

[0078] Initiator 2: 1,1-bis(tert-butylperoxy)cyclohexane 0.2g, n-butyl acetate 1g

[0079] Diluent: 7 grams of n-propyl acetate;

[0080] A preparation method of environmentally friendly thermosetting acrylic resin includes the following steps:

[0081] 1. Add 30 grams of n-butyl acetate, 5 grams of n-propyl acetate, and 3 grams of methyl acetate to the reaction ket...

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Abstract

The invention relates to a preparation method of an environmental-friendly thermosetting acrylic resin and belongs to the technical field of high polymer materials. The preparation method comprises the following raw materials in parts by weight: acetate solvents at the kettle bottom, a mixture of monomers and initiators, namely methyl methacrylate, tert-butyl methacrylate, styrene, n-butyl acrylate, hydroxy-propyl acrylate, acrylic acid, 1,1-di-tert-butyl peroxide cyclohexane and acetate solvents; supplementary initiators comprising 1,1-di-tert-butyl peroxide cyclohexane and acetate solvents;and diluents comprising the acetate solvents. According to the environmental-friendly thermosetting acrylic resin disclosed by the invention, the content of total benzene series in the resin per 1m<3>is less than 5mg. The powder charge coating prepared by adopting the environmental-friendly thermosetting acrylic resin disclosed by the invention has extremely low benzene content, the temperature resistance reaches 220 DEG C or higher, the value of readily oxidizable substances in the coating is greatly reduced, the total amount on an aluminum foil of 300 square centimeters is less than 1.5ml,fluorescence is not detected in the coating, and any heavy metal does not exist.

Description

Technical field [0001] The invention relates to an environmentally friendly thermosetting acrylic resin and a preparation method thereof, and belongs to the technical field of polymer materials. Background technique [0002] The metal protective layer coating for pharmaceutical packaging, that is, the drug package coating, is a special special material. Its particularity lies in its application characteristics and environmental protection requirements. In the past in the drug package industry, its products contained benzene solvents because the main film-forming resin is thermosetting acrylic acid. The resin contains benzene solvents. For example, the composition of the previous medicine package coating is as follows: [0003] [0004] The composition of the current drug pack coating is as follows: [0005] [0006] In addition, using the previous benzene-containing thermosetting acrylic resin, the medicine package coating made has poor heat resistance, and the heat resistance is le...

Claims

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Application Information

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IPC IPC(8): C08F220/18C08F220/14C08F212/08C08F220/20C08F220/06C09D133/08
CPCC08F220/18C08F220/1804C09D133/08C08F220/14C08F220/1808C08F212/08C08F220/20C08F220/06
Inventor 安华高健荣钟学海宋吉春车彦仪李季
Owner 莱阳红安化工有限公司
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