Detergent resin composition for shaping apparatus

A technology of resin composition and molding machine, applied in the direction of organic cleaning composition, etc., can solve the problems of increased environmental load, unacceptable labor safety and sanitation, poor operation efficiency, etc., and achieve the effect of improving removal performance

Inactive Publication Date: 2008-08-20
DAICEL POLYMER LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since a large amount of solvent is used in this method, the disposal of the used waste solvent will increase the environmental load, and the use of volatile solvents is not preferable in terms of occupational safety and hygiene.
In addition, the more build-up layers, the longer it takes to dissolve the residual mixture, so the operation efficiency is still poor

Method used

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  • Detergent resin composition for shaping apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0080] The various components shown in Table 1 were mixed, melted and kneaded with a twin-screw extruder (manufactured by Nippon Steel Works, TEX30α), processed into strands, and then cut with a pelletizer to form pellets. This pellet was used .

[0081]In the preparation of polyester resin-based powder coatings, cleaning was started when the production speed of the extruder with a barrel temperature of 120°C became half of the initial speed. The screw speed of the extruder was set at 10 rpm, and the cleaning agent composition (Q / N1=8, usage amount of 12 kg) was fed into the feeder at a feeding speed of 80 kg / hr. After pulling out the screw, clean it with a scraper for about 1 hour, then immerse it in a solvent for 1 day, and then perform surface treatment for about 30 minutes to reach a usable state.

Embodiment 2

[0083] The various components shown in Table 1 were mixed, kneaded with a twin-screw extruder (manufactured by Nippon Steel Works, TEX30α), processed into strands, and cut into pellets with a pelletizer. Such pellets were used.

[0084] In the preparation of polyester resin-based powder coatings, cleaning was started when the production speed of the extruder with a barrel temperature of 120°C became half of the initial speed. The screw speed of the extruder was set at 20 rpm, and the cleaning agent composition (Q / N1=8, usage amount of 10 kg) was fed into the feeder at a feeding speed of 160 kg / hr. After the screw is pulled out, there is little accumulation on the surface. Use a scraper to remove it for about 1 hour and perform surface treatment for about 30 minutes. It takes 1.5 hours in total to reach a usable state. No solvent impregnation was performed.

Embodiment 3

[0086] The various components shown in Table 1 were mixed, kneaded with a twin-screw extruder (manufactured by Nippon Steel Works, TEX30α), processed into strands, and cut into pellets with a pelletizer. Such pellets were used.

[0087] In the preparation of polyester resin-based powder coatings, cleaning was started when the production speed of the extruder with a barrel temperature of 120°C became half of the initial speed. The screw speed of the extruder was set at 20 rpm, and the cleaning agent composition (Q / N1=8, usage amount of 10 kg) was fed into the feeder at a feeding speed of 160 kg / hr. After the screw is pulled out, there is little accumulation on the surface. Use a scraper to remove it for about 1 hour and perform surface treatment for about 30 minutes. It takes 1.5 hours in total to reach a usable state. No solvent impregnation was performed.

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Abstract

The invention provides a cleaning agent resin composite which is suitable for being used as a cleaning agent for a thermosetting resin forming machine, in particular to a cleaning agent resin composite which is used for a forming machine; wherein, 100 weight parts (A) of non-crystalline resin comprise 20 to 200 weight parts (B) of inorganic fillers with the mohs hardness of 3 to 8; depending on needs, the composite comprises 1 to 10 weight parts (C) of surfactants and the proportion of the composite is 1.15 to 2.5.

Description

technical field [0001] The present invention relates to a cleaning agent resin composition for a molding machine and a method of cleaning a molding machine using the composition. Background technique [0002] When cleaning a molding machine for thermoplastic resin, generally, the heated and melted thermoplastic resin is passed through the cylinder to perform rough cleaning, and then the molding machine is disassembled to clean the screw and the cylinder separately. Usually, the cylinder is cleaned with a special tool after pulling out the screw, and the screw is cleaned by the following methods: the method of peeling off the residual mixture with a scraper (ヘら), the method of wiping with a metal brush or a grinder, and the method of immersing in a solvent to dissolve The method of residual mixture, the method of sending the residual mixture into a combustion furnace to completely carbonize and remove it, and the method of removing it by sandblasting. [0003] However, there...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11D3/37C08L33/12C08L25/06C08L27/06C08L69/00C08K7/14B29C47/08B29C47/92B29C45/17B29C45/76B29C48/92
Inventor 井上芳生
Owner DAICEL POLYMER LTD
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