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Foaming master batch and preparation method thereof

A foaming masterbatch and modification technology, which is applied in the field of polymers, can solve the problems of cost reduction, no obvious improvement in product mechanical strength, and high cost, and achieve the effects of reducing viscosity, excellent processing performance, and reducing production costs

Inactive Publication Date: 2015-08-05
扬翔(上海)环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The former achieves the effect of increasing the mechanical strength, but the cost in the production process is higher; the latter reduces the cost, but there is no significant improvement in the mechanical strength of the product

Method used

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  • Foaming master batch and preparation method thereof
  • Foaming master batch and preparation method thereof
  • Foaming master batch and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] 1. Preparation of modified nanopowder

[0026] First, add the inorganic powder into the high-speed mixing tank, heat the system temperature to 100°C-105°C, and stir for 7 minutes; then spray the active ingredient into the high-speed mixing tank while stirring, and the spraying time is 10-15 minutes; Cool to room temperature and discharge the material. Add the discharged material into clean water, the mass ratio of clean water to discharged material is 5:1, after stirring for 5 minutes, let it stand for 30 seconds, and observe the settlement of the particles. The inorganic powder is nano calcium carbonate, and the active ingredient is a silane surfactant. The mass ratio of the active ingredient to the inorganic powder is 0.5%-0.7%.

[0027] Table 1:

[0028] Example 1 Example 2 Example 3 Example 4 active ingredient Silane Surfactant Silane Surfactant Silane Surfactant Silane Surfactant Spray time / minute 10 12 15 15 Inorgan...

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Abstract

The invention discloses a foaming master batch and a preparation method thereof. The foaming master batch comprises 65-70% of modified nanometer powder, 20-29% of carrier resin, 5-10% of cycloparaffin rubber filling oil, 0.2% of a heat stabilizer, 0.1% of an anti-oxidant and 0.1% of a coupling agent. The foaming master batch is used for foaming processing of EVA, LDPE and TPR shoe materials, improves production efficiency, reduces a raw material production cost and improves mechanical strength of the EVA, LDPE and TPR shoe materials.

Description

technical field [0001] The invention belongs to the technical field of macromolecules, and in particular relates to a foam masterbatch and a preparation method thereof. Background technique [0002] Masterbatch, composed of excess chemical additives, carrier resin and dispersant. Masterbatch is an aggregate obtained by uniformly loading a super-normal amount of chemical additives in the resin. Commonly used masterbatches are divided into cooling masterbatches, brightening masterbatches, moisture-absorbing defoaming masterbatches, flame-retardant masterbatches and foaming masterbatches. [0003] Foaming masterbatch is an endothermic closed-cell chemical nucleating foaming agent. Zhu Min discloses a kind of toughening and foaming masterbatch in 201110322117.8, comprises low-density polyethylene, linear low-density polyethylene, ethylene / vinyl acetate copolymer, foaming agent, dispersant, nucleating agent and antioxidant, preparation The masterbatch is added to the p...

Claims

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Application Information

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IPC IPC(8): C08L25/04C08K13/02C08K3/26C08K3/22C08K5/098C08K5/134C08K5/526C08J3/22C08L23/06C08L23/08A43B13/04
Inventor 刘学习吴波
Owner 扬翔(上海)环保科技有限公司