CN108659370B - Composition of PVC soft foaming crystal plate and preparation method - Google Patents
Composition of PVC soft foaming crystal plate and preparation method Download PDFInfo
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- CN108659370B CN108659370B CN201710206790.2A CN201710206790A CN108659370B CN 108659370 B CN108659370 B CN 108659370B CN 201710206790 A CN201710206790 A CN 201710206790A CN 108659370 B CN108659370 B CN 108659370B
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
- C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/06—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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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
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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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
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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)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
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Abstract
A composition of a PVC soft foaming crystal plate and a preparation method thereof belong to the technical field of plastic processing. The weight percentage of the composite material is as follows: 100 parts of PVC resin; 2.0-3.0 parts of a stabilizer; 0.2-0.5 part of foaming agent; 1.0-8.0 parts of POE grafted glycidyl methacrylate; 51-55 parts of trioctyl trimellitate; 0.3-0.5 part of oxidized polyethylene wax, and the preparation steps are as follows: putting the mixture into a high-speed mixer, mixing at the rotating speed of 1350 r/min-1450 r/min, discharging the mixture into a low-speed mixer, and cooling and discharging the mixture; mixing and discharging sheets in a double-roll open mill, wherein the roll temperature of the double-roll open mill is 110-120 ℃; and pressing the milled material sheets and cooling to obtain the PVC soft foaming crystal plate. The PVC soft foaming crystal board has the advantages of transparency, no toxicity, no smell, softness, high resilience, folding resistance, pressure resistance and high temperature resistance, and a certain amount of bubbles are arranged in the PVC soft foaming crystal board, so that the crystal board has a fantastic artistic effect.
Description
Technical Field
A composition of a PVC soft foaming crystal plate and a preparation method thereof belong to the technical field of plastic processing.
Background
The PVC crystal plate is also called soft glass, has the advantages of transparency, no toxicity, softness, high resilience, folding resistance, pressure resistance, high temperature resistance and the like, can prevent the surface of furniture from being polluted, cut and scratched, and can effectively prolong the service life of the furniture. The PVC soft foaming crystal board has the advantages of the common PVC crystal board, and the crystal board is endowed with a fantastic artistic effect due to a certain amount of bubbles in the PVC soft foaming crystal board, so that the PVC soft foaming crystal board can be used as a high-grade PVC foaming crystal board for beautifying the interior.
The existing wallpaper printing paste with the transparent flow pattern effect is mainly prepared from the following raw materials in parts by weight: 30-50 parts of polyvinyl chloride paste resin, 5-20 parts of dioctyl phthalate, 1-2 parts of foaming agent, 1-5 parts of D80 environment-friendly solvent oil, 10-30 parts of calcium carbonate, 10-30 parts of plasticizer, 1-5 parts of stabilizer, 5-8 parts of VAE emulsion, 5-20 parts of titanium dioxide, 1-3 parts of thickener and 1-3 parts of drying speed regulator, wherein the foaming agent is azodicarbonamide; the wallpaper made of the sizing agent has the characteristics of high color fastness, good tensile strength, good scrubbability and the like. However, the wallpaper printing slurry obtained by the invention contains titanium dioxide, is opaque and does not explain the foaming effect.
The invention improves the foaming rate and foaming hardness of PVC, but is a non-transparent hard product, and the formula and the process used are different from the patent of the invention.
The present invention also relates to an existing polyvinyl chloride plastic building template, which is composed of PVC, foaming agent, foaming regulator, plasticizer, wetting agent, stabilizer, lubricant, impact modifier, processing aid, reinforcing fiber, hollow glass bead, titanium white powder, etc. the present invention improves the smoothness of the template surface, but the template surface is a non-transparent hard product, and the formula and the process used are different from those of the present invention.
Disclosure of Invention
Compared with the prior art, the transparent, nontoxic, odorless, soft, high-resilience, folding-resistant and pressure-resistant PVC soft foaming crystal board prepared by the invention is a brand-new PVC crystal board product and has an excellent artistic decoration effect.
The technical scheme adopted by the invention for solving the technical problems is as follows: the composition of the PVC soft foaming crystal plate is characterized by comprising the following components in parts by weight: 100 parts of PVC resin; 2.0-3.0 parts of a stabilizer; 0.2-0.5 part of foaming agent; 1.0-8.0 parts of POE grafted glycidyl methacrylate; 51-55 parts of trioctyl trimellitate; 0.3-0.5 part of oxidized polyethylene wax, wherein the PVC resin is produced by a suspension method and has an average polymerization degree of 1300-2500.
The invention provides a PVC soft foaming crystal board composition, which can be used for preparing a PVC soft crystal board containing transparent bubbles by using a suspension method PVC resin with the average polymerization degree of 1300-2500 in a specific ratio, a stabilizer, a foaming agent and POE (polyolefin elastomer) grafted glycidyl methacrylate, is nontoxic and tasteless, can control the number and the size of the bubbles in the soft PVC foaming crystal board by adjusting the using amounts of the foaming agent and the POE grafted glycidyl methacrylate, achieves different visual effects, is soft in touch, and has good indoor decoration beautification, desktop gaskets and other uses.
Preferably, the weight composition is: 100 parts of PVC resin; 2.6-2.8 parts of a stabilizer; 0.3-0.35 part of foaming agent; 3.0-5.6 parts of POE grafted glycidyl methacrylate; 52.5-53.5 parts of trioctyl trimellitate; 0.38-0.42 part of oxidized polyethylene wax. The optimal weight ratio can reach the optimal state of the invention, and the invention has strong anti-aging capability and long service life.
Preferably, the stabilizer is an organic tin stabilizer, a transparent calcium zinc stabilizer or a transparent rare earth stabilizer. The preferable stabilizer is more suitable for the formula of the invention, and can ensure higher transparency of the crystal plate.
Preferably, the stabilizer is the transparent calcium zinc stabilizer MC9875 KA. The more preferable transparent calcium zinc stabilizer is the most suitable stabilizer for the invention, so that the crystal plate has higher transparency, is environment-friendly and has no peculiar smell, and the flexibility and the rebound resilience of the obtained crystal plate reach the best effect of the invention.
Preferably, the foaming agent is bis-benzenesulfonyl hydrazide. The preferred blowing agents are most compatible with the present invention and the resulting bubbles are highly transparent.
Preferably, the POE grafted glycidyl methacrylate is a product obtained by melt grafting modification of glycidyl methacrylate and an ethylene-octene copolymer, and the grafting rate of the glycidyl methacrylate is 0.5-3%. The POE grafted glycidyl methacrylate with the optimized structure provided by the invention can better adjust the elasticity of the crystal plate, improve the pressure resistance and folding resistance, control the shape and size of bubbles and improve the aesthetic degree.
Preferably, the average polymerization degree of the PVC resin is 1700-1900. The preferred PVC resin can better improve the basic performance of the invention.
A preparation method of a PVC soft foaming crystal plate by using the composition is characterized by comprising the following preparation steps:
1) accurately weighing the materials according to the formula, putting the materials into a high-speed mixer, mixing the materials to 97-103 ℃ at the rotating speed of 1350-1450 r/min, discharging the materials into a low-speed mixer at the rotating speed of 75-90 r/min, cooling the materials to 25-35 ℃, and discharging;
2) adding the materials into a double-roll open mill, mixing for 400-500 s, and discharging, wherein the roll temperature of the double-roll open mill is 110-120 ℃; and pressing the milled material sheet in a mold press at 172-178 ℃ for 8-10 min, and cooling to obtain the PVC soft foaming crystal board.
The preparation method can best exert the performance collocation of the composition formula to obtain the soft foaming crystal plate with proper performance.
Compared with the prior art, the composition of the PVC soft foaming crystal board and the preparation method have the beneficial effects that: the PVC soft foaming crystal board has the advantages of transparency, no toxicity, no smell, softness, high resilience, folding resistance, pressure resistance and high temperature resistance, and can be used as a high-grade PVC foaming crystal board for beautifying the interior because a certain amount of bubbles are arranged in the PVC soft foaming crystal board to endow the crystal board with a fantastic artistic effect.
Detailed Description
The present invention is further illustrated by the following specific examples, of which example 1 is the most preferred.
TABLE 1 Material ratios of examples 1-6
In examples 1-6, the POE grafted GMA is a product modified by melt grafting of a copolymer of glycidyl methacrylate and ethylene-octene. The grafting ratio of glycidyl methacrylate was 1.2% in example 1, 2% in example 2, 0.8% in example 3, 1.5% in example 4, 0.5% in example 5, and 3% in example 6.
TABLE 2 Material proportioning for comparative examples 1-4
Accurately weighing the materials according to the formula in the embodiment and the formula in the comparative examples 1-3, putting the materials into a high-speed mixer, mixing the materials to 97-103 ℃ at the rotating speed of 1350-1450 r/min, discharging the materials to a low-speed mixer at the rotating speed of 75-90 r/min, cooling the materials to 25-35 ℃ and discharging the materials; adding the materials into a double-roll open mill, mixing for 400-500 s, and discharging, wherein the roll temperature of the double-roll open mill is 110-120 ℃; and pressing the milled material sheet in a mold press at 172-178 ℃ for 8-10 min, and cooling to obtain the PVC soft foaming crystal board. The preparation method of comparative example 4 was carried out such that the mixing temperature of the high-speed mixer was 90 ℃ and the roll temperature of the two-roll open mill was 130 ℃.
The results of the performance test of the foamed crystal soft board are shown in Table 3.
Table 3 performance test results of the foamed crystal panels
In the embodiment, the nontoxic and tasteless PVC soft crystal board containing transparent bubbles can be prepared by using a formula system and a process of suspension PVC resin with the average polymerization degree of 1300-2500, a transparent PVC calcium zinc stabilizer, a foaming agent OBSH and POE grafted glycidyl methacrylate, and transparent bubbles with different sizes and different quantities can be prepared by adjusting the using amounts of the foaming agent OBSH and POE grafted glycidyl methacrylate, so that the decorative and beautifying effects of the PVC foamed crystal board are greatly improved. The addition of organic tin in the comparative example can cause peculiar smell, transparent bubbles with attractive appearance can not be obtained without adding POE grafted glycidyl methacrylate, the AC foaming agent can yellow the crystal plate, and the transparent MBS can cause yellowing in use and influence the long-term use effect of the crystal plate.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (2)
1. The composition of the PVC soft foaming crystal plate is characterized by comprising the following components in parts by weight: 100 parts of PVC resin; 2.7 parts of a stabilizer; 0.32 part of foaming agent; 4.2 parts of POE grafted glycidyl methacrylate; 53 parts of trioctyl trimellitate; 0.4 part of oxidized polyethylene wax, wherein the PVC resin is produced by a suspension method and has an average polymerization degree of 1900;
the stabilizer is a transparent calcium zinc stabilizer MC9875KA, and the foaming agent is bis-benzenesulfonyl hydrazide;
the POE grafted glycidyl methacrylate is a product of melt grafting modification of glycidyl methacrylate and an ethylene-octene copolymer, and the grafting rate of the glycidyl methacrylate is 1.2%.
2. A method for preparing a PVC soft foaming crystal plate by using the composition of claim 1 is characterized by comprising the following steps:
1) accurately weighing the materials according to the formula, putting the materials into a high-speed mixer, mixing the materials to 97-103 ℃ at the rotating speed of 1350-1450 r/min, discharging the materials into a low-speed mixer at the rotating speed of 75-90 r/min, cooling the materials to 25-35 ℃, and discharging;
2) adding the materials into a double-roll open mill, mixing for 400-500 s, and discharging, wherein the roll temperature of the double-roll open mill is 110-120 ℃; and pressing the milled material sheet in a mold press at 172-178 ℃ for 8-10 min, and cooling to obtain the PVC soft foaming crystal board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710206790.2A CN108659370B (en) | 2017-03-31 | 2017-03-31 | Composition of PVC soft foaming crystal plate and preparation method |
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| CN201710206790.2A CN108659370B (en) | 2017-03-31 | 2017-03-31 | Composition of PVC soft foaming crystal plate and preparation method |
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| CN108659370A CN108659370A (en) | 2018-10-16 |
| CN108659370B true CN108659370B (en) | 2021-08-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112126170A (en) * | 2020-08-28 | 2020-12-25 | 山东新迪丹环保科技有限公司 | PVC tray and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775182A (en) * | 2010-02-11 | 2010-07-14 | 天津宏茂塑胶有限公司 | Environment-friendly low-toxicity white-light gluing crystal board and manufacture method thereof |
| CN102558709A (en) * | 2011-12-21 | 2012-07-11 | 常州大学 | Flexible polyvinyl chloride foam material and molding method thereof |
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2017
- 2017-03-31 CN CN201710206790.2A patent/CN108659370B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775182A (en) * | 2010-02-11 | 2010-07-14 | 天津宏茂塑胶有限公司 | Environment-friendly low-toxicity white-light gluing crystal board and manufacture method thereof |
| CN102558709A (en) * | 2011-12-21 | 2012-07-11 | 常州大学 | Flexible polyvinyl chloride foam material and molding method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 发泡PVC木塑材料的孔隙结构研究;陈宇峰 等;《南通大学学报（自然科学版）》;20151220;第53-57页 * |
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