Polymer composite for board modification and preparation method thereof

A technology of composite materials and polymers, which is applied in the field of polymer composite materials for plate modification and its preparation, can solve the problems of weak strength, thin waterproof layer, and inability to withstand erosion, etc., and achieve dense and good hardened plates. Excellent outdoor durability and convenient construction

Active Publication Date: 2015-09-23
漳州宏宇科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the waterproof layer formed by general waterproof coatings is thin in thickness and weak in strength, and ca

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0033] The preparation method of the polymer composite material for plate modification comprises the following steps: weighing each component by weight,

[0034] 1) Premix the polymer monomer and modifier with 19 / 20 of the total amount of polymer monomer to obtain a mixture of polymer monomer and modifier, which is ready for use;

[0035] 2) Put the protective colloid and water into the reactor, control the temperature at 80-90°C, and stir for 30-60min;

[0036] 3) feeding into the reactor is nitrogen or carbon dioxide with a concentration of 99%, and adding an acid solution to adjust the pH value=3-5;

[0037] 4) continue to drop the polymer monomer of 1 / 20 of the total amount of polymer monomer into the reaction kettle, and stir for 15-20min;

[0038] 5) drop into the initiator of 1 / 20 of the total amount of polymer monomers in the reactor, stir for 25-35min;

[0039] 6) dropwise adding the polymer monomer and modifier mixture obtained in step 1) and the remaining initiato...

Example Embodiment

[0043] Example 1

[0044] A preparation method of a polymer composite material for plate modification comprises the following steps:

[0045] 1) Weigh the following components by weight: 296 parts of polymer monomers, 30 parts of modifiers, 9 parts of protective colloids, 2 parts of initiators, and 450 parts of deionized water;

[0046] 2) Pre-mixing 19 / 20 of the total amount of polymer monomers with the modifier and the polymer monomer to obtain a mixture of the polymer monomer and the modifier, ready for use;

[0047] 3) Put the protective colloid and water into the reaction kettle, control the temperature at 80-90°C, and stir for 45min;

[0048] 4) pass into the nitrogen or carbon dioxide that concentration is 99% in the reactor, and add acid solution and adjust pH value=4;

[0049] 5) continue to drop the polymer monomer of 1 / 20 of the total amount of polymer monomer into the reactor, stir for 18min;

[0050] 6) drop the initiator of 1 / 20 of the total amount of polymer ...

Example Embodiment

[0055] Example 2

[0056] A preparation method of a polymer composite material for plate modification comprises the following steps:

[0057] 1) Weigh the following components by weight: 296 parts of polymer monomers, 20 parts of modifiers, 6 parts of protective colloids, 1.5 parts of initiators, and 300 parts of distilled water;

[0058]2) Pre-mixing 19 / 20 of the total amount of polymer monomers with the modifier and the polymer monomer to obtain a mixture of the polymer monomer and the modifier, ready for use;

[0059] 3) put the protective colloid and water into the reaction kettle, control the temperature at 80-90°C, and stir for 30min;

[0060] 4) pass into the nitrogen or carbon dioxide that concentration is 99% in the reactor, and add acid solution and adjust pH value=3;

[0061] 5) continue to drop the polymer monomer of 1 / 20 of the total amount of polymer monomer into the reactor, stir for 15min;

[0062] 6) drop into the initiator of 1 / 20 of the total amount of po...

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PUM

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Abstract

The invention discloses a polymer composite for board modification and a preparation method thereof. The polymer composite includes the following components of, by weight, 296 parts of polymer monomer, 20-40 parts of modifier, 6-12 parts of protective colloid, 1.5-3.0 parts of initiator, 300-600 parts of water and the balance acid solution and aqueous alkali for adjusting the pH value. The polymer monomer is one or more of crylic acid and acrylics. The modifier is a silane coupling agent. The protective colloid is one of sodium polymethacrylate, polyving akohol, nano-crystalline cellulose and sodium carboxymethylcellulose. The initiator is ammonium persulfate or potassium peroxodisulfate. The polymer composite for board modification can react with calcium ions in boards, can be solidified into a waterproof layer with excellent waterproofness, and is an ideal material in the board machining process.

Description

technical field [0001] The invention relates to the field of high-molecular polymers, in particular to a high-molecular composite material used for plate modification and a preparation method thereof. Background technique [0002] Water resistance is one of the main performance indicators of board processed products. Therefore, the board usually needs to be pre-treated in the process of processing to limit the amount of water absorbed by the board in contact with moisture and increase its service life. For example, during the processing of the heating plate, the plate needs to be pretreated to be cured to form a waterproof layer. [0003] Waterproof coatings are painted on the surface of buildings, and a thin film is formed by the volatilization of solvent or water or the chemical reaction of the two components, so that the surface of the building is isolated from water, so as to play the role of waterproof and sealing. The waterproof film formed after the waterproof coatin...

Claims

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Application Information

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IPC IPC(8): C08F220/06C08F230/08C08F220/14C08F220/18
Inventor 王勋陈奶荣王继宏
Owner 漳州宏宇科技发展有限公司
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