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Production method and processing mold of PVC co-extrusion stone plastic profiled material

A technology for processing molds and production methods, applied to the production method of PVC co-extruded stone-plastic profiles and the field of processing molds, can solve the problem of poor surface friendliness of pure stone-plastic materials, high hardness and short service life of pure stone-plastic materials, etc. problems, to achieve the effect of enhanced surface friendliness, enhanced surface strength, and reduced production costs

Inactive Publication Date: 2016-07-27
黄石市鸿达塑料模具有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Pure PVC material is relatively soft and expensive; pure stone-plastic material has high hardness but is relatively brittle and has a short service life; pure stone-plastic material has a poor surface friendliness, and the pattern stamped on it is easy to fall off

Method used

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  • Production method and processing mold of PVC co-extrusion stone plastic profiled material
  • Production method and processing mold of PVC co-extrusion stone plastic profiled material
  • Production method and processing mold of PVC co-extrusion stone plastic profiled material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The production method of PVC co-extruded stone-plastic profiles, the process steps are as follows:

[0038] (1) Add PVC stone plastic to the mixer according to the formula ratio, heat up to 110 degrees by material self-friction, then cool to 40 degrees by condenser and then add to the main hopper;

[0039] (2) Add the PVC material to the mixer according to the formula ratio, heat up the material to 110 degrees by self-friction, then cool it to 40 degrees by the condenser and then add it to the auxiliary hopper;

[0040] (3) PVC stone plastic is extruded by an extruder and pressed into the PVC stone plastic feed port of the processing mold to realize compaction, melting, mixing and homogenization, and form a core in the processing mold. At the same time, the PVC material is also extruded Extrude into the PVC material inlet of the processing mold, and coat the outer layer of the formed core; the screw temperature of the extruder is 85 degrees, and the extrusion pressure i...

Embodiment 2

[0050] The production method of PVC co-extruded stone-plastic profiles, the process steps are as follows:

[0051] (1) Add PVC stone plastic to the mixer according to the formula ratio, heat up to 120 degrees by material self-friction, then cool to 45 degrees by condenser and then add to the main hopper;

[0052] (2) Add the PVC material to the mixer according to the formula ratio, heat up the material to 120 degrees by self-friction, then cool it to 45 degrees by the condenser and then add it to the auxiliary hopper;

[0053] (3) PVC stone plastic is extruded by an extruder and pressed into the PVC stone plastic feed port of the processing mold to realize compaction, melting, mixing and homogenization, and form a core in the processing mold. At the same time, the PVC material is also extruded Extrude into the PVC material inlet of the processing mold, and coat the outer layer of the formed core; the screw temperature of the extruder is 90 degrees, and the extrusion pressure is ...

Embodiment 3

[0063] The production method of PVC co-extruded stone-plastic profiles, the process steps are as follows:

[0064] (1) Add PVC stone plastic to the mixer according to the formula ratio, heat up to 130 degrees through material self-friction, and then add it to the main hopper after being cooled to 50 degrees by the condenser;

[0065] (2) Add the PVC material into the mixer according to the formula ratio, heat up to 130 degrees through material self-friction, and then add the auxiliary hopper after being cooled to 50 degrees by the condenser;

[0066] (3) PVC stone plastic is extruded by an extruder and pressed into the PVC stone plastic feed port of the processing mold to realize compaction, melting, mixing and homogenization, and form a core in the processing mold. At the same time, the PVC material is also extruded Extrude into the PVC material inlet of the processing mold, and coat the outer layer of the formed core; the screw temperature of the extruder is 95 degrees, and ...

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Abstract

The invention provides a production method and a processing mold of a PVC co-extrusion stone plastic profiled material. The production method comprises the technical steps of (1) adding PVC stone plastic materials into a mixer according to the formula proportion, increasing the temperature to be 110 to 130 DEG C through self friction of the materials, then cooling till the temperature reaches 40 to 50 DEG C through a condenser, and adding the cooled materials into a main hopper; (2) adding PVC materials into the mixer according to the formula proportion, increasing the temperature to be 110 to 130 DEG C through self friction of the materials, then cooling till the temperature reaches 40 to 50 DEG C through the condenser, and adding the cooled materials into an auxiliary hopper; and (3) extruding the PVC stone plastic materials through an extruder, pressing the extruded PVC stone plastic materials into a PVC stone plastic material feed inlet of the processing mold, carrying out compaction, fusion and mixing homogenization, molding a core in the processing mold, at the same time, squeezing the PVC materials into a PVC material feed inlet of the processing mold through the extruder, and coating the outer surface of the molded core, wherein the temperature of a screw of the extruder is 85 to 95 DEG C; and the extrusion pressure is 8 to 16 Mpa. According to a product produced through the production method, the waterproofness, bending resistance, toughness, surface ageing resistance and adhesion firmness degree for hot rolling printing are higher than those of a stone plastic material, the weight is lower than that of the stone plastic material, the hardness is higher than that of PVC, and the construction cost is lower than that of PVC.

Description

technical field [0001] The invention relates to the production field of PVC profiled materials, in particular to a production method of PVC co-extruded stone-plastic profiled materials and a processing mold thereof Background technique [0002] As we all know, PVC sheets are divided into coils and sheets, and imitation marble sheets specifically refer to sheets. From the structure, it is mainly divided into homogeneous solid sheet, multi-layer composite sheet, semi-homogeneous transparent sheet; from the shape, it is divided into square material and strip material. Since the stone-plastic composite material conforms to China's industrial policy of "constructing a resource-saving and environment-friendly society" and "sustainable development", it has developed rapidly as soon as it appeared. Especially in today's increasingly serious problem of greenhouse gas emissions, the implementation of "low-carbon economy" has further reflected the value of stone-plastic composite mate...

Claims

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Application Information

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IPC IPC(8): B29C47/06B29C47/14B29C47/86B29C47/92C08L27/06C08K13/02C08K3/26C08K3/22C08K5/09B29K27/06B29C48/305B29C48/92
CPCB29C48/0022B29C48/022B29C48/07B29C48/146B29C48/18B29C48/30B29C48/307B29C48/87B29C48/92B29C2948/92514B29C2948/9258B29C2948/92704B29K2027/06C08L27/06C08L2205/035C08L23/286C08K13/02C08K2003/265C08K2003/2241C08K5/09Y02P70/10
Inventor 柯友军虞朝阳江长焱
Owner 黄石市鸿达塑料模具有限责任公司
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