Cell finishing agent and preparation method thereof

A finishing agent and cell technology, which is used in the field of foam plastic manufacturing chemical additives and leather, can solve the problems of long production process time, unstable product quality, irregular cell shape, etc., to achieve good hand feel and accelerated time , the effect of increasing flexibility

Inactive Publication Date: 2012-05-23
德清县东来化学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The cell finishing agent prepared from this raw material has the following defects: the generated cells are small, the quality of the finished product is relatively unstable, and the cell shape of the product is usually irregular, and there are bubbles and broken bubbles
Moreover, due to the selection of raw materials, the entire production process takes a long time, which greatly reduces production efficiency and increases production costs.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0028] 1. Preparation

[0029] A. The first feeding.

[0030] First, put 100kg of isobutyl methacrylate, 125kg of white oil, 50kg of naphthalene, and 0.6kg of benzoyl peroxide into the reaction kettle as base materials, and the base materials are stirred and heated to 100°C.

[0031] B. Then carry out the second feeding.

[0032] 1. Divide the raw materials of isobutyl methacrylate, white oil, naphthalene and benzoyl peroxide into group 1 and group 2. Group 1 is 280kg of isobutyl methacrylate, 10kg of naphthalene, and 90kg of white oil. 2 groups of materials are white oil 350kg, benzoyl peroxide 20kg. The 2 groups of materials are added dropwise to the 1 group of materials.

[0033] 2. Carry out dropwise addition of raw materials. First put the material of Group 1 into the reactor, then slowly add the materials of Group 2 dropwise, the dropwise addition is completed within 2 hours, the temperature is controlled at about 100°C, and the reaction is carried out for 3 hours. ...

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Abstract

The invention belongs to the technical field of auxiliary chemicals for manufacturing of leather and foamed plastic, and in particular relates to a cell finishing agent for the manufacturing of the leather and the foamed plastic. The cell finishing agent is prepared from the following components in percentage by weight: 31.5 to 32.5 percent of isobutyl methacrylate, 62.5 to 63.5 percent of white oil, 3 to 3.4 percent of naphthalene and 1.7 to 2.0 percent of benzoyl peroxide. The cell finishing agent is an organic polymer of methacrylate and particularly suitable for foam products of foamed plastic, and a foam layer of the foamed plastic with fine bubbles and uniform pores and air chambers can be prepared, so over-foaming can be prevented during high-temperature machining, the elasticity, the tensile strength and the flexibility of the product are improved, and the product achieves good handfeel. Meanwhile, the cell finishing agent quickens the polymerization reaction, greatly shortensthe time for the entire production process and saves the cost.

Description

technical field [0001] The invention belongs to the technical field of chemical auxiliary agents for the manufacture of leather and foam plastics, and in particular relates to a cell finishing agent used in the manufacture of leather and foam plastics and a preparation method thereof. Background technique [0002] Cell finishing agent is a polymer additive and an important foaming aid. Its main function is to promote the plasticization and melting of leather and foamed plastics, increase the strength and ductility of the foamed melt, and make the foaming process stable and controllable, so as to obtain foamed products with uniform and small cell structure and good independence . In addition, the addition of cell finishing agents can also broaden the processing range of leather and foam plastics, make the melt flow evenly in the mouth, and improve the surface quality of products. [0003] From the point of view of plastics, adding cell finishing agent, the product has smoot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F120/18C08K5/01C08J9/00D06M15/263C14C11/00
Inventor 施海若
Owner 德清县东来化学有限公司
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