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Double-screw high-efficiency environment-friendly pelletized particle cleaning agent and production method thereof

A production method and twin-screw technology, applied in detergent compositions, chemical instruments and methods, non-surface active detergent compositions, etc., can solve problems such as difficult to clean screw barrels, product environmental pollution, and unsatisfactory effects. Achieve the effect of saving cleaning time, low price and convenient cleaning

Active Publication Date: 2012-08-01
杭州金州高分子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The previous cleaning method is not ideal, and requires a lot of manpower and material resources, which greatly increases the cost
At present, the commonly used screw cleaning agents on the market have certain limitations in terms of cleaning efficiency, environmental protection, and cost. For example, environmentally friendly cleaning agents are difficult to clean the dead corners and gaps of the screw barrel, and the efficiency is low; while organic solvents Although screw cleaning agent can greatly improve the cleaning efficiency, there is another environmental pollution problem in the treatment of its products
At this stage, there are almost no effective and environmentally friendly screw cleaning agents in China, and the solid screw cleaning agents used are mainly imported.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Dry 78.5 parts of 1200-mesh calcium carbonate at 120°C, and add 1 part of titanate coupling agent to a high-speed mixer, mix thoroughly for 25 minutes, and obtain a modified powder after mixing;

[0030] Add the above-mentioned modified powder, 15 parts of matrix resin LDPE, 5 parts of paraffin, and 0.5 parts of EBS into a high-speed mixer, mix for 15 minutes, add the mixed materials into the hopper of the extruder, and Melt blending extrusion, strand cutting. The extruder is a twin-screw extruder, and the mixing and melting temperature is set as follows: the first section is 160°C, the second section is 180°C, the third section is 180°C, the fourth section is 200°C, the fifth section is 200°C, and the sixth section is 200°C. Section 200°C, seventh section 205°C, eighth section 205°C, ninth section 205°C, tenth section 210°C, head temperature 210°C.

Embodiment 2

[0032] Dry 60 parts of 800-mesh silicon dioxide at 100°C, and add 5 parts of silane coupling agent into a high-speed mixer, mix thoroughly for 20 minutes, and obtain a modified powder after mixing;

[0033] Add the above-mentioned modified powder, 30 parts of matrix resin PP, 9 parts of stearic acid, and 1 part of polyethylene paraffin into a high-speed mixer, mix for 5 minutes, add the mixed materials into the hopper of the extruder, and Melt blending and extruding in the extruder, strand cutting into pellets. The extruder is a twin-screw extruder, and the mixing and melting temperature is set as: the first section 180°C, the second section 190°C, the third section 200°C, the fourth section 210°C, the fifth section 210°C, the sixth section 210°C, seventh stage 220°C, eighth stage 220°C, ninth stage 225°C, tenth stage 230°C, head temperature 230°C.

Embodiment 3

[0035] Dry 70 parts of 2000-mesh calcium hydroxide at 150°C, and add 8 parts of titanate coupling agent into a high-speed mixer, mix thoroughly for 30 minutes, and obtain a modified powder after mixing;

[0036] Add the above-mentioned modified powder, 20 parts of matrix resin ABS, 1 part of palmitic acid, and 1 part of EBS into a high-speed mixer, mix for 20 minutes, add the mixed materials into the hopper of the extruder, and extrude Melt blending and extruding in the machine, strand cutting and pelletizing. The extruder is a twin-screw extruder, and the mixing and melting temperature is set as: the first section 190°C, the second section 200°C, the third section 210°C, the fourth section 210°C, the fifth section 220°C, the sixth section 220°C, 230°C in the seventh stage, 235°C in the eighth stage, 235°C in the ninth stage, 240°C in the tenth stage, and 240°C in the head.

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Abstract

The invention discloses a double-screw high-efficiency environment-friendly pelletized particle cleaning agent and a production method thereof, and belongs to the technical field of high-molecular materials. The double-screw high-efficiency environment-friendly pelletized particle cleaning agent comprises matrix resin, inorganic powder, a lubricating agent and a coupling agent. The production method comprises the following steps of: (1) weighing the matrix resin, the inorganic powder, the lubricating agent and the coupling agent according to the proportioning part by weight; (2) drying the inorganic powder, adding the dried inorganic powder and the coupling agent into a highly-mixing machine, fully mixing and obtaining modified powder; (3) adding the modified powder in the step (2), the matrix resin and the lubricating agent in the high-speed mixing machine, adding the mixed materials into a hopper of an extruder, fusing, blending and extruding the mixed materials from the extruder, and carrying out bracing and granulation. The double-screw high-efficiency environment-friendly pelletized particle cleaning agent disclosed by the invention is convenient to take, low in price and convenient to clean and belongs to a nontoxic and pollution-free material.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a twin-screw high-efficiency and environment-friendly granulation cleaning agent and a production method thereof. Background technique [0002] Plastic products have good performance, many varieties, easy processing and modification, and have become one of the indispensable materials in modern society. In the process of processing, there are more or less residues of plastic materials, especially for engineering plastic modification manufacturers, there has always been such troubles. According to the traditional cleaning method, the twin-screw screw needs to be disassembled when changing materials and colors. Down, clean with solvent or specific tools, and then install the belt after cleaning. In this way, it will take at least 1-2 days, which will not only cause waste of raw materials and environmental pollution, but also cause damage to the equipment screw ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11D7/22C11D7/32C11D11/00
Inventor 王晓群黄建平黄建国陈家锋
Owner 杭州金州高分子科技有限公司
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