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Enhanced biopolymer composite plastic tap and preparation method thereof

A biopolymer and composite plastic technology is applied in the field of enhanced biopolymer composite plastic faucet and its preparation, which can solve the problems of insufficient burst pressure and environmental pollution, and achieve the effects of excellent mechanical strength, low cost and reduced consumption.

Active Publication Date: 2011-09-14
XIAMEN RUNNER IND CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide an enhanced biopolymer composite plastic faucet with excellent mechanical strength and stable structure and its preparation method in view of the existing plastic faucet’s shortcomings of environmental pollution and insufficient burst pressure resistance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A PLA / PC biopolymer composite plastic faucet and its preparation method:

[0034] Step 1. Forming the faucet shell:

[0035] a) After the raw materials are dried, weigh the raw materials according to the following proportions: polylactic acid (PLA) 45%, polycarbonate (PC) 50%, ABS-g-MAH 4.5%, diisocyanate 0.5% (produced by Nippon Polyurethane).

[0036] b) Put it on a high-speed mixer and mix evenly, the speed of the high-speed mixer is 1000-1500rpm.

[0037] c) Melting and extruding pelletizing in a twin-screw extruder to obtain pellets, the screw temperature being 220-250°C.

[0038] d) Injection molding the faucet shell.

[0039] Step 2: PVD modified coating is applied to the faucet casing to achieve a metallized appearance.

[0040] Step 3: Injection molding to make the water channel skeleton, and perform secondary insert injection molding on the water channel skeleton:

[0041] a) After the raw materials are dried, weigh the raw materials according to the followi...

Embodiment 2

[0047] A PLA / PCL / PC biopolymer composite plastic faucet and its preparation method:

[0048] Step 1. Forming the faucet shell:

[0049] a) After the raw material is dried, take the raw material according to the following ratio: polylactic acid (PLA) 44%, polycaprolactone (PCL) 20%, polycarbonate (PC) 30%; Elvaloy ethylene terpolymer 5.5%, 0.5% diisocyanate (produced by Nippon Polyurethane).

[0050] b) Put it on a high-speed mixer and mix evenly, the speed of the high-speed mixer is 1000-1500rpm.

[0051] c) Melting and extruding pelletizing in a twin-screw extruder to obtain pellets, the screw temperature being 220-250°C.

[0052] d) Injection molding the faucet shell.

[0053] Step 2. Fully dry interlayer coating on the faucet shell:

[0054] a) Dry cleaning and activation of the faucet housing blank.

[0055] b) After activation, the faucet shell blank is coated with a metal base film in a PVD furnace, and the film thickness is 0.1-1 μm.

[0056] c) After the base fil...

Embodiment 3

[0065] A PLA / PBS / PC biopolymer composite plastic faucet and its preparation method:

[0066] Step 1. Forming the faucet shell:

[0067] a) After the raw material is dried, weigh the raw material according to the following ratio: polylactic acid (PLA) 50%, polybutylene succinate (PBS) 22%, polycarbonate (PC) 20%, SEBS-g-MAH7. 5%, diisocyanate 0.5% (produced by Nippon Polyurethane).

[0068] b) Put it on a high-speed mixer and mix evenly, the speed of the high-speed mixer is 1000-1500rpm.

[0069] c) Melting and extruding pelletizing in a twin-screw extruder to obtain pellets, the screw temperature being 220-250°C.

[0070] d) Injection molding the faucet shell.

[0071] Step 2. Fully dry interlayer coating on the faucet shell:

[0072] a) Dry cleaning and activation of the faucet housing blank.

[0073] b) After activation, the faucet shell blank is coated with a metal base film in a PVD furnace, and the film thickness is 0.1-1 μm.

[0074] c) After the base film is coate...

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Abstract

The invention relates to a tap, and provides an enhanced biopolymer composite plastic tap which is excellent in mechanical strength and stable in structure, and a preparation method thereof. The tap comprises a tap shell which is formed through injection molding of biopolymer and engineering plastic alloy materials, and matched components, wherein the matched components comprise a spool, a handle, a water outlet net, a sealing ring and a fastening screw. The method comprises the following steps of: performing injection molding of biopolymer and engineering plastic alloy materials to obtain a tap shell blank; coating a film on the surface of the molded tap shell blank; performing injection molding to obtain a water channel framework; filling reproducible biopolymer mixed materials in a cavity gap between the plastic water channel framework and the shell; taking the water channel framework out of the cavity, and assembling the water channel framework, the coated tap shell and the prepared tap matched components which are produced according to the conventional process into the enhanced biopolymer composite plastic tap in the conventional assembling mode.

Description

technical field [0001] The invention relates to a faucet, in particular to an enhanced biopolymer composite plastic faucet in which the faucet shell is made of biopolymer and engineering plastic alloy composite materials and a preparation method thereof, and is filled with a renewable biopolymer mixture Between the channel skeleton and the shell. Background technique [0002] Most of the existing plastic faucet shells are mainly made of petroleum-based plastic ABS and PC / ABC materials, but now humans are facing increasingly serious white pollution brought by waste polymer materials to the environment on which human beings live. and the increasing scarcity of oil resources. Therefore, reducing the consumption of petroleum-based resources, gradually adopting renewable biopolymers to replace petroleum-based polymer materials, and developing environmentally friendly materials will be the way to sustainable development in the future, not only green, circular economy, but also en...

Claims

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Application Information

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IPC IPC(8): F16K27/00B29B9/06B29C47/92B29C45/00B29C48/92
Inventor 陈芳梅刘祖华吴子豹李明仁
Owner XIAMEN RUNNER IND CORP