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Acrylic ester polymer, preparation method and application thereof, acrylic ester polymer coating and application thereof

An acrylate and polymer technology, applied in the polymer field, can solve the problem of poor hydrophobicity of porous materials, achieve the effects of excellent hydrophobicity and air permeability, improve material strength, and improve hot stickiness and cold brittleness

Active Publication Date: 2022-02-18
中科润康(山东)医疗用品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned silicon-containing acrylate polymer porous materials have poor hydrophobicity

Method used

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  • Acrylic ester polymer, preparation method and application thereof, acrylic ester polymer coating and application thereof
  • Acrylic ester polymer, preparation method and application thereof, acrylic ester polymer coating and application thereof
  • Acrylic ester polymer, preparation method and application thereof, acrylic ester polymer coating and application thereof

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preparation example Construction

[0044] The present invention provides the preparation method of the acrylate polymer described in the above technical scheme, comprising the following steps:

[0045] Mixing the first part of mixed monomers and the first initiator for prepolymerization to obtain a prepolymer, the first part of mixed monomers includes a first silane monomer, a first acrylate monomer and a first crosslinking agent;

[0046] The prepolymer, the second part of mixed monomers and the second initiator are mixed for polymerization reaction to obtain an acrylic polymer; the second part of mixed monomers includes a second silane monomer, a second acrylic monomer body and a second crosslinking agent;

[0047] The first silane monomer and the second silane monomer independently include monovinyl-terminated polydimethylsiloxane, vinylmethyl bis(dimethylpolysiloxane) silane, methacryloyl Oxypropyltris(trimethylsiloxy)silane, 1-methoxy-1-(trimethylsiloxy)-2-methyl-1-propene, vinyloxytrimethylsilane, ethyle...

Embodiment 1

[0074] Place methyl methacrylate, 2-ethylhexyl acrylate, vinyloxytrimethylsilane, vinylmethylsiloxane-dimethylsiloxane in sodium hydroxide with a concentration of 2mol / L Fully mix the solution at room temperature to remove the polymerization inhibitor, discard the water phase, then add anhydrous calcium chloride to the organic phase containing the monomer, dry for 6 hours, filter, and set aside; use absolute ethanol to recrystallize AIBN After 2-3 times, let it dry naturally at room temperature for 24 hours, and store it at low temperature for later use.

[0075] Mix 30g of methyl methacrylate, 15g of 2-ethylhexyl acrylate, 40g of vinyloxytrimethylsilane, 15g of vinylmethylsiloxane-dimethylsiloxane and 0.5g of 1,6-hexane Diol diacrylate is mixed evenly to obtain mixed monomers;

[0076] Add 0.275g AIBN and 100g ethyl acetate into a three-necked flask, stir and mix for 15min at 80°C, add 15g of mixed monomers, and prepolymerize at 80°C for 30min to obtain a prepolymer;

[007...

Embodiment 2

[0079] Methyl methacrylate, ethyl acrylate, lauryl methacrylate, and methacryloxypropyl tris(trimethylsiloxane)silane were respectively placed in a sodium hydroxide solution with a concentration of 1.2mol / L After fully shaking, let it stand for phase separation, discard the water phase to remove the polymerization inhibitor, then add anhydrous calcium chloride to the obtained organic phase, dry it for 6 hours, filter it, and set aside; use absolute ethanol to recrystallize AIBN for 2 to 3 After the second time, let it dry naturally at room temperature for 24 hours, and store it at low temperature for later use.

[0080] 40 g methyl methacrylate, 10 g ethyl acrylate, 5 g lauryl methacrylate, 30 g methacryloxypropyl tris(trimethylsiloxane) silane and 0.3 g propoxylated trimethylolpropane tris Acrylic esters are mixed evenly to obtain mixed monomers;

[0081] Add 0.365g AIBN and 80g ethyl acetate into a three-necked flask, stir and mix at 80°C for 15 minutes, add 20g of mixed mo...

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Abstract

The invention provides an acrylate polymer, a preparation method and application thereof, acrylate polymer coating and application thereof, and relates to the technical field of polymers. The acrylate polymer provided by the invention has a structure as shown in a formula I. The acrylate polymer provided by the invention has a remarkable hydrophobic characteristic, and can effectively prevent infiltration and permeation of water; meanwhile, silane molecules in the acrylate polymer are relatively large, so that the polymer has relatively large gaps, free gas small molecules can pass through the polymer, and the polymer has very good air permeability; the acrylate polymer has a local cross-linked structure, so that the material strength can be remarkably improved, the flexibility requirement in a service temperature region can be met, and the defect that a traditional polyacrylate polymer is sticky in hot condition and crisp in cold condition is overcome. The polyacrylate polymer provided by the invention is strong in adhesive force, and has good application prospects in the fields of skin care, wound protection, cultural relic protection, cultural relic repair, fabric treatment and the like.

Description

technical field [0001] The invention relates to the technical field of polymers, in particular to an acrylic polymer, a preparation method and application thereof, an acrylic polymer coating and an application thereof. Background technique [0002] Synthetic polymers are materials that can easily obtain specific performance characteristics through the design of polymer structures. Compared with natural polymers, synthetic polymers have outstanding advantages in terms of mechanical properties, processability, structure control, and performance regulation. However, synthetic polymer materials generally have problems such as low air permeability and unsatisfactory strength. Therefore, they cannot be widely used in fields that require air permeability. [0003] By modifying the synthetic high molecular polymer with modified cellulose or inorganic materials to form a porous material, the air permeability and strength of the synthetic high molecular polymer can be improved. For ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F230/08C08F220/14C08F220/18C09D143/04C09D133/12A61K8/81A61L15/24A61Q19/00C04B41/48B44C5/00
CPCC08F230/085C08F220/14C09D143/04A61L15/24A61K8/8152A61Q19/00C04B41/483B44C5/00C08F220/1808C08F2500/26C08F220/1802C08F220/1812
Inventor 蔡美荣张丽慧吴杨裴小维马正峰
Owner 中科润康(山东)医疗用品有限公司
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