CN112226062A - Plastic raw material with stone-like effect and preparation method thereof - Google Patents
Plastic raw material with stone-like effect and preparation method thereof Download PDFInfo
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- CN112226062A CN112226062A CN202011102785.5A CN202011102785A CN112226062A CN 112226062 A CN112226062 A CN 112226062A CN 202011102785 A CN202011102785 A CN 202011102785A CN 112226062 A CN112226062 A CN 112226062A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention relates to the technical field of plastic raw material preparation, in particular to a plastic raw material with a stone-like effect and a preparation method thereof, wherein the plastic raw material comprises the following components in parts by weight: 10-30 parts of straw powder, 70-80 parts of PC plastic raw material, 8-10 parts of pigment powder, 0.1-0.6 part of antioxidant, 0.1-0.6 part of flexibilizer, 1-3 parts of flame retardant, 1-3 parts of titanium dioxide, 2-4 parts of aromatic polyamide fiber and 2-4 parts of polytetrafluoroethylene; wherein the size of the straw powder particles is 1000-3000 meshes. The invention can not only improve the wear resistance of products made of plastic raw materials and prolong the service life of the products, but also reduce the texture difference between the products, so that the stone imitation effect of the products is more vivid.
Description
Technical Field
The invention relates to the technical field of plastic raw material preparation, in particular to a plastic raw material with a stone-like effect and a preparation method thereof.
Background
The plastic material is mainly thermoplastic and thermosetting plastic according to the molecular structure of the synthetic resin, and the thermoplastic plastic refers to plastic still having plasticity after repeated heating, and mainly comprises common materials such as PE/PP/PVC/PS/ABS/PMMA/POM/PC/PA and the like. In order to improve market competitiveness of existing plastic raw materials, different melting points and flow rates between color master batches and raw materials are generally utilized to generate natural irregular stripes, so that a stone-like effect is achieved. However, the existing plastic raw materials are extremely easy to wear and consume the corners of the plastic raw materials along with the time, so that the service life of the plastic raw materials is shortened.
Therefore, we propose a plastic material with stone-like effect and a preparation method thereof to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a plastic raw material with a stone-like effect and a preparation method thereof.
A plastic raw material with a stone-like effect comprises the following components in parts by weight: 10-30 parts of straw powder, 70-80 parts of PC plastic raw material, 8-10 parts of pigment powder, 0.1-0.6 part of antioxidant, 0.1-0.6 part of flexibilizer, 1-3 parts of flame retardant, 1-3 parts of titanium dioxide, 2-4 parts of aromatic polyamide fiber and 2-4 parts of polytetrafluoroethylene;
wherein the size of the straw powder particles is 1000-3000 meshes.
Preferably, the antioxidant is a mixture of tributyl phosphite and triphenyl phosphite.
Preferably, the toughening agent is a phthalate.
Preferably, the flame retardant is tributyl phosphate.
A preparation method of a plastic raw material with a stone-like effect comprises the following steps:
s1, putting the raw materials into a high-speed mixer, and uniformly stirring to obtain a mixture;
s2, adding the mixture into a double-screw extruder to obtain an extrudate;
and S3, cooling the extrudate, and then sending the extrudate to a granulator to prepare a finished product.
Preferably, the mixing time of the mixture in the high-speed mixer is 25-35 min.
Preferably, the extrusion processing temperature of the double-screw extruder is 220-300 ℃, and the rotating speed of the screw is 300-500 rpm.
The invention has the beneficial effects that:
1. according to the invention, the aromatic polyamide fiber and the polytetrafluoroethylene are added into the plastic raw material, so that molecules ground out by the plastic in the friction process can form a film with a lubricating effect on the surface of the plastic, thereby improving the wear resistance of the product and prolonging the service life of the product.
2. According to the plastic raw material provided by the invention, the stripes in the stone-like effect plastic raw material are provided by adopting the straw powder, so that the grain difference among products obtained when the products are prepared by using the plastic raw material is smaller, and the stone-like vivid effect of the products is good.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
A plastic raw material with a stone-like effect comprises the following components in parts by weight: 10-30 parts of straw powder, 70-80 parts of PC plastic raw material, 8-10 parts of pigment powder, 0.1-0.6 part of antioxidant, 0.1-0.6 part of flexibilizer, 1-3 parts of flame retardant, 1-3 parts of titanium dioxide, 2-4 parts of aromatic polyamide fiber and 2-4 parts of polytetrafluoroethylene;
wherein the size of the straw powder particles is 2000 meshes, the antioxidant is a mixture of tributyl phosphite and triphenyl phosphite, the toughening agent is phthalate, and the flame retardant is tributyl phosphate.
A preparation method of a plastic raw material with a stone-like effect comprises the following steps:
s1, putting the raw materials into a high-speed mixer, and stirring and mixing uniformly for 30min to obtain a mixture;
s2, adding the mixture into a double-screw extruder, wherein the extrusion processing temperature is 275 ℃, and the rotation speed of the screw is 360rpm, so as to obtain an extrudate;
and S3, cooling the extrudate, and then sending the extrudate to a granulator to prepare a finished product.
In this embodiment:
| example one | Example two | EXAMPLE III | |
| Straw powder/portion | 10 | 20 | 30 |
| PC Plastic material/portion | 70 | 75 | 80 |
| Color powder/portion | 8 | 9 | 10 |
| Antioxidant per part | 0.1 | 0.4 | 0.6 |
| Toughening agent/part | 0.1 | 0.4 | 0.6 |
| Flame retardant/part | 1 | 2 | 3 |
| Titanium dioxide powder/portion | 1 | 2 | 3 |
| Aromatic polyamide fiber/part | 2 | 3 | 4 |
| Polytetrafluoroethylene per part | 2 | 3 | 4 |
Wherein the size of the straw powder particles is 2000 meshes.
The raw materials weighed in the first to third embodiments are respectively taken to prepare the finished product according to the following steps in sequence:
s1, putting the raw materials into a high-speed mixer, and stirring and mixing uniformly for 30min to obtain a mixture;
s2, adding the mixture into a double-screw extruder, wherein the extrusion processing temperature is 275 ℃, and the rotation speed of the screw is 360rpm, so as to obtain an extrudate;
and S3, cooling the extrudate, and then sending the extrudate to a granulator to prepare a finished product.
Comparative example:
a plastic raw material with a stone-like effect comprises the following components in parts by weight: 10 parts of straw powder, 70 parts of PC plastic raw material, 8 parts of pigment powder, 0.1 part of antioxidant, 0.1 part of flexibilizer, 1 part of flame retardant and 1 part of titanium dioxide;
wherein the size of the straw powder particles is 2000 meshes, the antioxidant is a mixture of tributyl phosphite and triphenyl phosphite, the toughening agent is phthalate, and the flame retardant is tributyl phosphate.
A preparation method of a plastic raw material with a stone-like effect comprises the following steps:
s1, putting the raw materials into a high-speed mixer, and stirring and mixing uniformly for 30min to obtain a mixture;
s2, adding the mixture into a double-screw extruder, wherein the extrusion processing temperature is 275 ℃, and the rotation speed of the screw is 360rpm, so as to obtain an extrudate;
and S3, cooling the extrudate, and then sending the extrudate to a granulator to prepare a finished product.
The finished products obtained in the first to third examples and the finished product in the comparative example were sequentially placed in a friction tester, and the abrasion resistance (the abrasion resistance is represented by the value of the abrasion resistance rotation speed) was measured, and the specific data are shown in the following table:
as can be seen from the above table, in the plastic raw materials with the aramid fiber and the polytetrafluoroethylene added, the wear resistance of the finally prepared product is greatly improved, and the service life is also prolonged, while the plastic raw materials without the aramid fiber and the polytetrafluoroethylene added, the wear resistance of the prepared product is inferior to that of the plastic raw materials in the first to third embodiments, and the service life is also short.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The plastic raw material with the stone-like effect is characterized by comprising the following components in parts by weight: 10-30 parts of straw powder, 70-80 parts of PC plastic raw material, 8-10 parts of pigment powder, 0.1-0.6 part of antioxidant, 0.1-0.6 part of flexibilizer, 1-3 parts of flame retardant, 1-3 parts of titanium dioxide, 2-4 parts of aromatic polyamide fiber and 2-4 parts of polytetrafluoroethylene;
wherein the size of the straw powder particles is 1000-3000 meshes.
2. The plastic raw material with stone-like effect as claimed in claim 1, wherein the antioxidant is a mixture of tributyl phosphite and triphenyl phosphite.
3. The plastic raw material with stone-like effect as claimed in claim 1, wherein the toughening agent is phthalate.
4. The plastic material with stone-like effect as claimed in claim 1, wherein the flame retardant is tributyl phosphate.
5. The preparation method of the plastic raw material with the stone-like effect is characterized by comprising the following steps of:
s1, putting the raw materials into a high-speed mixer, and uniformly stirring to obtain a mixture;
s2, adding the mixture into a double-screw extruder to obtain an extrudate;
and S3, cooling the extrudate, and then sending the extrudate to a granulator to prepare a finished product.
6. The method for preparing a plastic material with stone-like effect as claimed in claim 5, wherein the mixing time of the mixture in the high-speed mixer is 25-35 min.
7. The method for preparing the plastic raw material with the stone-like effect according to claim 5, wherein the extrusion processing temperature of the double-screw extruder is 220-300 ℃, and the rotation speed of the screw is 300-500 rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011102785.5A CN112226062A (en) | 2020-10-15 | 2020-10-15 | Plastic raw material with stone-like effect and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011102785.5A CN112226062A (en) | 2020-10-15 | 2020-10-15 | Plastic raw material with stone-like effect and preparation method thereof |
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| CN112226062A true CN112226062A (en) | 2021-01-15 |
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| CN202011102785.5A Pending CN112226062A (en) | 2020-10-15 | 2020-10-15 | Plastic raw material with stone-like effect and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104212152A (en) * | 2014-09-24 | 2014-12-17 | 台州市今上光电科技有限公司 | Novel plastic raw material |
| CN105037924A (en) * | 2015-06-09 | 2015-11-11 | 苏州华瑞塑胶电子有限公司 | Plastic raw material |
| CN105860524A (en) * | 2016-04-29 | 2016-08-17 | 四川大学 | Thermoplastic low-friction wear-resistant composite material and preparation method thereof |
| CN106939114A (en) * | 2017-03-28 | 2017-07-11 | 浙江伟星实业发展股份有限公司 | A kind of plastic material with imitation stone effect and its preparation method and application |
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2020
- 2020-10-15 CN CN202011102785.5A patent/CN112226062A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104212152A (en) * | 2014-09-24 | 2014-12-17 | 台州市今上光电科技有限公司 | Novel plastic raw material |
| CN105037924A (en) * | 2015-06-09 | 2015-11-11 | 苏州华瑞塑胶电子有限公司 | Plastic raw material |
| CN105860524A (en) * | 2016-04-29 | 2016-08-17 | 四川大学 | Thermoplastic low-friction wear-resistant composite material and preparation method thereof |
| CN106939114A (en) * | 2017-03-28 | 2017-07-11 | 浙江伟星实业发展股份有限公司 | A kind of plastic material with imitation stone effect and its preparation method and application |
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Application publication date: 20210115 |