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Antibacterial acrylic plate and preparation method thereof

A technology of acrylic sheet and antibacterial agent, applied in the field of antibacterial acrylic sheet, can solve the problems of high price, low strength and toughness, poor toughness, etc., and achieve the effects of easy control, simple preparation method and improved weather resistance.

Pending Publication Date: 2021-10-29
浙江力行得科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] As a new type of organic decorative material, acrylic sheet gradually plays an important role in people's daily life. In the market, the general acrylic sheet has low strength and toughness, and is expensive. Most acrylic sheets used as cabinet panels and other products are based on Marble is used as a filler, which has high strength, but poor toughness and bulkiness. At the same time, the existing acrylic materials are used in lighting, billboards, optical fiber communications and other aspects of life, which require good antibacterial properties

Method used

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  • Antibacterial acrylic plate and preparation method thereof
  • Antibacterial acrylic plate and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] An antibacterial acrylic plate, comprising the following components by weight:

[0030] 60 parts of polymethyl methacrylate, 0.1 part of polyquaternium-1, 0.1 part of crosslinking agent TAC, 2 parts of 2,2,4,4-tetramethyl-1,3-cyclobutanediol.

[0031] The antibacterial acrylic plate comprises the following preparation steps:

[0032] S1: Stir polymethyl methacrylate, polyquaternium-1, crosslinking agent TAC, 2,2,4,4-tetramethyl-1,3-cyclobutanediol at room temperature to obtain the prepared mix;

[0033] S2: Put the premixed material into the semi-finished product extruder, extrude at 170°C, extrude and granulate to obtain pellets;

[0034] S3: Put the pellets into the finished product extruder, the extrusion temperature is 200°C, and the cross-linking is completed under the electron irradiation with a radiation dose of 200kGy to obtain an antibacterial acrylic sheet.

Embodiment 2

[0036] An antibacterial acrylic plate, comprising the following components by weight:

[0037] 70 parts of polymethyl methacrylate, 0.5 parts of polyquaternium-1, 0.5 parts of crosslinking agent TAC, 4 parts of 2,2,4,4-tetramethyl-1,3-cyclobutanediol.

[0038] The antibacterial acrylic plate comprises the following preparation steps:

[0039] S1: Stir polymethyl methacrylate, polyquaternium-1, crosslinking agent TAC, 2,2,4,4-tetramethyl-1,3-cyclobutanediol at room temperature to obtain the prepared mix;

[0040] S2: Put the premixed material into the semi-finished product extruder, extrude at 170°C, extrude and granulate to obtain pellets;

[0041] S3: Put the pellets into the finished product extruder, the extrusion temperature is 200°C, and the cross-linking is completed under the electron irradiation with a radiation dose of 200kGy to obtain an antibacterial acrylic sheet.

Embodiment 3

[0043] An antibacterial acrylic plate, comprising the following components by weight:

[0044] 80 parts of polymethyl methacrylate, 1 part of polyquaternium-1, 1 part of crosslinking agent TAC, 8 parts of 2,2,4,4-tetramethyl-1,3-cyclobutanediol.

[0045] The antibacterial acrylic plate comprises the following preparation steps:

[0046] S1: Stir polymethyl methacrylate, polyquaternium-1, crosslinking agent TAC, 2,2,4,4-tetramethyl-1,3-cyclobutanediol at room temperature to obtain the prepared mix;

[0047] S2: Put the premix into the semi-finished product extruder, extrude at 170°C, extrude and granulate to obtain pellets;

[0048] S3: Put the pellets into the finished product extruder, the extrusion temperature is 200°C, and the cross-linking is completed under the electron irradiation with a radiation dose of 200kGy to obtain an antibacterial acrylic sheet.

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Abstract

The invention discloses an antibacterial acrylic plate, which is prepared from the following components in parts by weight: 60 to 80 parts of polymethyl methacrylate, 0.1 to 1 part of antibacterial agent, 0.1 to 1 part of cross-linking agent and 2 to 8 parts of aliphatic dihydric alcohol, and the antibacterial acrylic plate is prepared by adopting an electron irradiation cross-linking method. According to the antibacterial acrylic plate disclosed by the invention, a high-molecular chain of polymethyl methacrylate is broken by utilizing an irradiation cross-linking method, so that the original chain molecular structure is changed into a three-dimensional network molecular structure in a recombination process, and then the polymethyl methacrylate is cross-linked with aliphatic dihydric alcohol under the effect of a cross-linking agent, so that the weather resistance of the antibacterial acrylic plate is improved; in the cross-linking process, the antibacterial agent can be well dispersed in the cross-linking agent, and the phenomenon that a traditional antibacterial agent is prone to falling off on the surface of the material is avoided. The invention further discloses a preparation method of the antibacterial acrylic plate, and the preparation method is simple, easy to control and capable of being applied to large-scale production.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to an antibacterial acrylic plate. Background technique [0002] Acrylic material is polymerized from methyl methacrylate monomer. The chemical name is polymethyl methacrylate (PMMA). Because of its good light transmittance, it is also called organic glass. Acrylic sheet has the characteristics of light transmittance, not easy to crack, good toughness, easy to clean, and soft texture. It is mainly used in living scenes such as lighting body, roof, shed roof, stairs and indoor wall guard. With the popularization of construction and consumers' awareness of environmental protection, the market demand for new environmentally friendly, healthy, non-toxic, and non-radiation building materials is rapidly increasing; because acrylic materials have good chemical stability, easy dyeing, easy processing, electrical insulation, and chemical resistance. Reagent corrosion and other adv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/12C08K5/053C08K3/08C08K9/12C08K5/3492C08K5/19C08J3/28
CPCC08J3/28C08J2333/12C08K5/053C08K2201/011C08K2003/0806C08K9/12C08K5/3492C08K5/19
Inventor 顾祖良沈小英顾力行
Owner 浙江力行得科技有限公司
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