CN110948980A - Production method of breathable PVC composite material - Google Patents
Production method of breathable PVC composite material Download PDFInfo
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- CN110948980A CN110948980A CN201811133245.6A CN201811133245A CN110948980A CN 110948980 A CN110948980 A CN 110948980A CN 201811133245 A CN201811133245 A CN 201811133245A CN 110948980 A CN110948980 A CN 110948980A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- 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
- C08K3/34—Silicon-containing compounds
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a production method of a breathable PVC composite material, which comprises the steps of uniformly stirring and mixing raw materials at a high speed, banburying and open milling, rolling, cooling and drawing to obtain a roll-shaped PVC film, and finally embossing and bonding to obtain the breathable PVC composite material. Aiming at the problem of fiber texture deformation during 3D fabric pattern embossing, the temperature is circularly reduced by the contact of the embossing machine and the fabric with the heating wheel, so that the fabric is prevented from being heated and deformed at high temperature; in addition, in order to thin the total thickness of the composite material, the thinner PVC composite material is obtained by adjusting the gap between embossing wheels and the temperature of embossing points; in addition, aiming at the problem of unclear surface patterns in the prior art, the total thickness and the clear patterns of the PVC composite material can be ensured by accurately controlling the temperature of the embossing points.
Description
Technical Field
The invention belongs to the field of production of PVC (polyvinyl chloride) conforming materials, and particularly relates to a production method of a breathable PVC composite material.
Background
The PVC mainly contains polyvinyl chloride, is yellowish, semitransparent and glossy. The transparency is better than that of polyethylene and polypropylene, is different from that of polystyrene, is divided into soft and hard polyvinyl chloride according to different using amounts of the auxiliary agents, soft products are soft and tough, the hand feeling is sticky, the hardness of hard products is higher than that of low-density polyethylene and lower than that of polypropylene, and the whitening phenomenon can occur at the bending position. Common products comprise plates, pipes, soles, toys, doors and windows, wire sheaths, stationery and the like. Is a high molecular material which uses a chlorine atom to replace one hydrogen atom in polyethylene. Polyvinyl chloride (PVC) has been commercialized in 1930 in the united states and germany, and is commercialized 10 years later in japan. In 1958, a Carlender machine was developed in Japan to produce PVC foamed plastic leather. The PVC artificial leather has tough leather membrane and is widely applied to vehicles, leather bags and coating materials. It has the following problems in the prior art: (1) the fiber texture is easy to deform when the 3D fabric patterns are embossed; (2) the PVC composite material is thicker, so that the application range of the PVC composite material is limited; (3) the surface pattern is not clear, and the like.
Disclosure of Invention
In view of the above, the present invention provides a method for producing a breathable PVC composite material, which can effectively solve the above problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a production method of a breathable PVC composite material comprises the following steps:
(1) mixing: taking 90-110 parts by weight of PVC resin powder, 70-90 parts by weight of plasticizer, 3-7 parts by weight of stabilizer, 10-30 parts by weight of filler, 4-8 parts by weight of flame retardant and 6-10 parts by weight of pigment, and uniformly stirring and mixing at high speed by a mixer to obtain a mixture;
(2) banburying and open mixing: plasticating and mixing the mixture by an internal mixer, and then carrying out annealing and demolding on the mixture by an open mill;
(3) rolling: pressing and extending the formed material into a film with a certain thickness by a rolling shaft of a calender;
(4) cooling and drawing: stripping the formed film, cooling and shaping to form a PVC film;
(5) winding: winding the PVC film;
(6) embossing: embossing the rolled PVC film after surface treatment;
(7) bonding: and bonding the PVC film on the 3D fabric.
Further, in the step (1), 95-105 parts of PVC resin powder, 75-85 parts of plasticizer, 4-6 parts of stabilizer, 15-25 parts of filler, 5-7 parts of flame retardant and 7-9 parts of pigment.
Further, 100 parts of PVC resin powder, 80 parts of plasticizer, 5 parts of stabilizer, 20 parts of filler, 6 parts of flame retardant and 8 parts of pigment in the step (1).
Further, the PVC resin is a paste PVC resin, and the polymerization degree is 1050.
Further, the plasticizer is dioctyl phthalate, epoxidized soybean oil, dibutyl sebacate, trioctyl acetylcitrate, or a mixture of any two or more of them mixed in any proportion.
Further, the plasticizer is a mixture of dioctyl phthalate and dibutyl sebacate mixed in any proportion.
Further, dioctyl phthalate and dibutyl sebacate are mixed according to the weight ratio of 1: 3.
Further, the stabilizer is barium stearate.
Further, the filler is selected from one of talcum powder, mica powder and quartz powder.
Further, the filler is mica powder.
Compared with the prior art, the invention has the beneficial effects that:
(1) aiming at the problem of fiber texture deformation during 3D fabric pattern embossing, the temperature is circularly reduced by a heating wheel which is in contact with the fabric through an embossing machine so as to ensure that the fabric is not heated and deformed at high temperature;
(2) in order to thin the total thickness of the composite material, the thinner PVC composite material is obtained by adjusting the clearance of the embossing wheel and the temperature of the embossing point;
(3) aiming at the problem of unclear surface patterns in the prior art, the total thickness and the clear patterns of the PVC composite material can be ensured by accurately controlling the temperature of the embossing points.
Detailed Description
To further illustrate the contents, features and effects of the present invention, the present invention will be further described by way of the following examples. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
The present invention is further illustrated in detail by the following examples:
example 1:
a production method of a breathable PVC composite material comprises the following steps:
(1) mixing: taking 100 parts by weight of PVC resin powder, 80 parts by weight of plasticizer, 5 parts by weight of stabilizer, 20 parts by weight of filler, 6 parts by weight of flame retardant and 8 parts by weight of pigment, and uniformly stirring and mixing the components at a high speed by a mixer to obtain a mixture;
(2) banburying and open mixing: plasticating and mixing the mixture by an internal mixer, and then carrying out annealing and demolding on the mixture by an open mill;
(3) rolling: pressing and extending the formed material into a film with a certain thickness by a rolling shaft of a calender;
(4) cooling and drawing: stripping the formed film, cooling and shaping to form a PVC film;
(5) winding: winding the PVC film;
(6) embossing: embossing the rolled PVC film after surface treatment;
(7) bonding: and (3) bonding the PVC film on a 3D fabric, wherein the 3D fabric has the following selection conditions: 1) the hardness and elasticity of the connecting fiber in the middle of the fabric are strong; 2) the compression resistant fibers are not deformable; 3) the fabric has good heat resistance.
Wherein: the plasticizer is a mixture of dioctyl phthalate and dibutyl sebacate in a weight ratio of 1: 3; the stabilizer is barium stearate; the filler is mica powder.
Example 2:
a production method of a breathable PVC composite material comprises the following steps:
(1) mixing: taking 90 parts by weight of PVC resin powder, 70 parts by weight of plasticizer, 3 parts by weight of stabilizer, 10 parts by weight of filler, 4 parts by weight of flame retardant and 6 parts by weight of pigment, and uniformly stirring and mixing at high speed by a mixer to obtain a mixture;
(2) banburying and open mixing: plasticating and mixing the mixture by an internal mixer, and then carrying out annealing and demolding on the mixture by an open mill;
(3) rolling: pressing and extending the formed material into a film with a certain thickness by a rolling shaft of a calender;
(4) cooling and drawing: stripping the formed film, cooling and shaping to form a PVC film;
(5) winding: winding the PVC film;
(6) embossing: embossing the rolled PVC film after surface treatment;
(7) bonding: and (3) bonding the PVC film on a 3D fabric, wherein the 3D fabric has the following selection conditions: 1) the hardness and elasticity of the connecting fiber in the middle of the fabric are strong; 2) the compression resistant fibers are not deformable; 3) the fabric has good heat resistance.
Wherein: the plasticizer is dioctyl phthalate; the stabilizer is barium stearate; the filler is mica powder.
Example 3:
a production method of a breathable PVC composite material comprises the following steps:
(1) mixing: taking 110 parts by weight of PVC resin powder, 90 parts by weight of plasticizer, 7 parts by weight of stabilizer, 30 parts by weight of filler, 8 parts by weight of flame retardant and 10 parts by weight of pigment, and uniformly stirring and mixing at high speed by a mixer to obtain a mixture;
(2) banburying and open mixing: plasticating and mixing the mixture by an internal mixer, and then carrying out annealing and demolding on the mixture by an open mill;
(3) rolling: pressing and extending the formed material into a film with a certain thickness by a rolling shaft of a calender;
(4) cooling and drawing: stripping the formed film, cooling and shaping to form a PVC film;
(5) winding: winding the PVC film;
(6) embossing: embossing the rolled PVC film after surface treatment;
(7) bonding: and (3) bonding the PVC film on a 3D fabric, wherein the 3D fabric has the following selection conditions: 1) the hardness and elasticity of the connecting fiber in the middle of the fabric are strong; 2) the compression resistant fibers are not deformable; 3) the fabric has good heat resistance.
Wherein: the plasticizer is dibutyl sebacate; the stabilizer is barium stearate; the filler is mica powder.
Example 4:
a production method of a breathable PVC composite material comprises the following steps:
(1) mixing: taking 95 parts by weight of PVC resin powder, 75 parts by weight of plasticizer, 4 parts by weight of stabilizer, 15 parts by weight of filler, 5 parts by weight of flame retardant and 7 parts by weight of pigment, and uniformly stirring and mixing at high speed by a mixer to obtain a mixture;
(2) banburying and open mixing: plasticating and mixing the mixture by an internal mixer, and then carrying out annealing and demolding on the mixture by an open mill;
(3) rolling: pressing and extending the formed material into a film with a certain thickness by a rolling shaft of a calender;
(4) cooling and drawing: stripping the formed film, cooling and shaping to form a PVC film;
(5) winding: winding the PVC film;
(6) embossing: embossing the rolled PVC film after surface treatment;
(7) bonding: and (3) bonding the PVC film on a 3D fabric, wherein the 3D fabric has the following selection conditions: 1) the hardness and elasticity of the connecting fiber in the middle of the fabric are strong; 2) the compression resistant fibers are not deformable; 3) the fabric has good heat resistance.
Wherein: the plasticizer is a mixture of dioctyl phthalate and dibutyl sebacate in a weight ratio of 3: 1; the stabilizer is barium stearate; the filler is mica powder.
Example 5:
a production method of a breathable PVC composite material comprises the following steps:
(1) mixing: taking 105 parts by weight of PVC resin powder, 85 parts by weight of plasticizer, 6 parts by weight of stabilizer, 25 parts by weight of filler, 7 parts by weight of flame retardant and 9 parts by weight of pigment, and uniformly stirring and mixing at high speed by a mixer to obtain a mixture;
(2) banburying and open mixing: plasticating and mixing the mixture by an internal mixer, and then carrying out annealing and demolding on the mixture by an open mill;
(3) rolling: pressing and extending the formed material into a film with a certain thickness by a rolling shaft of a calender;
(4) cooling and drawing: stripping the formed film, cooling and shaping to form a PVC film;
(5) winding: winding the PVC film;
(6) embossing: embossing the rolled PVC film after surface treatment;
(7) bonding: and (3) bonding the PVC film on a 3D fabric, wherein the 3D fabric has the following selection conditions: 1) the hardness and elasticity of the connecting fiber in the middle of the fabric are strong; 2) the compression resistant fibers are not deformable; 3) the fabric has good heat resistance.
Wherein: the plasticizer is a mixture of dioctyl phthalate and dibutyl sebacate in a weight ratio of 2: 2; the stabilizer is barium stearate; the filler is mica powder.
Aiming at the problem of fiber texture deformation during 3D fabric pattern embossing, the temperature is circularly reduced by a heating wheel which is in contact with the fabric through an embossing machine so as to ensure that the fabric is not heated and deformed at high temperature; in addition, in order to thin the total thickness of the composite material, the thinner PVC composite material is obtained by adjusting the gap between embossing wheels and the temperature of embossing points; in addition, aiming at the problem of unclear surface patterns in the prior art, the total thickness and the clear patterns of the PVC composite material can be ensured by accurately controlling the temperature of the embossing points.
According to various embodiments of the invention provideThe air permeability of the air permeable PVC composite material prepared by the method is more than or equal to 2000 (ml/cm)2H) has a water vapor permeability of not less than 1.3(mg/cm2 h), and exhibits excellent air permeability. Among them, the air permeability and water vapor permeability of example 1 are the best.
The embodiments of the present invention have been described in detail, but the description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention. Any modification, equivalent replacement or improvement made within the scope of the application of the present invention shall be included in the protection scope of the present invention.
Claims (10)
1. A production method of a breathable PVC composite material is characterized by comprising the following steps: which comprises the following steps:
(1) mixing: taking 90-110 parts by weight of PVC resin powder, 70-90 parts by weight of plasticizer, 3-7 parts by weight of stabilizer, 10-30 parts by weight of filler, 4-8 parts by weight of flame retardant and 6-10 parts by weight of pigment, and uniformly stirring and mixing at high speed by a mixer to obtain a mixture;
(2) banburying and open mixing: plasticating and mixing the mixture by an internal mixer, and then carrying out annealing and demolding on the mixture by an open mill;
(3) rolling: pressing and extending the formed material into a film with a certain thickness by a rolling shaft of a calender;
(4) cooling and drawing: stripping the formed film, cooling and shaping to form a PVC film;
(5) winding: winding the PVC film;
(6) embossing: embossing the rolled PVC film after surface treatment;
(7) bonding: and bonding the PVC film on the 3D fabric.
2. The process for the production of breathable PVC composite material according to claim 1, characterized in that: 95-105 parts of PVC resin powder, 75-85 parts of plasticizer, 4-6 parts of stabilizer, 15-25 parts of filler, 5-7 parts of flame retardant and 7-9 parts of pigment in the step (1).
3. The process for the production of breathable PVC composite material according to claim 1, characterized in that: 100 parts of PVC resin powder, 80 parts of plasticizer, 5 parts of stabilizer, 20 parts of filler, 6 parts of flame retardant and 8 parts of pigment in the step (1).
4. The process for the production of breathable PVC composite material according to claim 1, characterized in that: the PVC resin is pasty PVC resin, and the polymerization degree is 1050.
5. The process for the production of breathable PVC composite material according to claim 1, characterized in that: the plasticizer is dioctyl phthalate, epoxidized soybean oil, dibutyl sebacate, acetyl trioctyl citrate, or a mixture of any two or more of the dioctyl phthalate, the epoxidized soybean oil, the dibutyl sebacate and the acetyl trioctyl citrate in any proportion.
6. A method for producing breathable PVC composite material according to claim 5, characterized in that: the plasticizer is a mixture of dioctyl phthalate and dibutyl sebacate which are mixed in any proportion.
7. The process for the production of breathable PVC composite material according to claim 6, characterized in that: the dioctyl phthalate and the dibutyl sebacate are mixed according to the weight ratio of 1: 3.
8. The process for the production of breathable PVC composite material according to claim 1, characterized in that: the stabilizer is barium stearate.
9. The process for the production of breathable PVC composite material according to claim 1, characterized in that: the filler is selected from one of talcum powder, mica powder and quartz powder.
10. A method for producing a breathable PVC composite according to claim 9, characterized in that: the filler is mica powder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811133245.6A CN110948980A (en) | 2018-09-27 | 2018-09-27 | Production method of breathable PVC composite material |
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| CN201811133245.6A CN110948980A (en) | 2018-09-27 | 2018-09-27 | Production method of breathable PVC composite material |
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2018
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Patent Citations (8)
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| CN101225611A (en) * | 2008-01-29 | 2008-07-23 | 福建思嘉环保材料科技有限公司 | Terylene camouflage waterproof cloth |
| CN101225607A (en) * | 2008-01-29 | 2008-07-23 | 福建思嘉环保材料科技有限公司 | Knitted camouflage waterproof cloth |
| CN102501493A (en) * | 2011-09-29 | 2012-06-20 | 青岛安龙日用品有限公司 | Ventilated compounding layer, compounding material, preparation method, compounding method and package bag |
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| CN202934877U (en) * | 2012-10-17 | 2013-05-15 | 常州市远东先进塑胶有限公司 | PVC (polyvinyl chloride) compound non-woven fabric |
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Application publication date: 20200403 |