CN110628148A - Novel PVC composite floor and production method thereof - Google Patents
Novel PVC composite floor and production method thereof Download PDFInfo
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- CN110628148A CN110628148A CN201910924940.2A CN201910924940A CN110628148A CN 110628148 A CN110628148 A CN 110628148A CN 201910924940 A CN201910924940 A CN 201910924940A CN 110628148 A CN110628148 A CN 110628148A
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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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
- E04F15/105—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of organic plastics with or without reinforcements or filling materials
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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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08K2201/00—Specific properties of additives
- C08K2201/016—Additives defined by their aspect ratio
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- Health & Medical Sciences (AREA)
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Abstract
The invention provides a novel PVC composite floor and a production method thereof, wherein the PVC composite floor is prepared from the following raw materials in parts by weight: 100 parts of PVC, 15-21 parts of polypropylene grafted maleic anhydride, 1-1.8 parts of polycrystalline mullite fiber, 5-10 parts of nano diatomite, 0.3-0.5 part of silane coupling agent, 1-2 parts of epoxidized soybean oil, 6-10 parts of calcium-zinc composite stabilizer, 1.5-3 parts of inorganic flame retardant, 0.5-1 part of antioxidant and 0.4-0.8 part of lubricant. The PVC composite floor produced by the invention has good wear resistance, high strength and toughness, long service life and suitability for popularization and application.
Description
Technical Field
The invention relates to the technical field of floors, in particular to a novel PVC composite floor and a production method thereof.
Background
PVC floor is a new type of light floor decoration material which is very popular in the world today, also called light floor material. The product is a widely popular product in the European and American countries and the Korean countries, is popular abroad, enters the Chinese market from the beginning of the 80 s, is generally accepted in domestic large and medium cities so far, and is widely used in various places such as families, hospitals, schools, office buildings, factories, public places, supermarkets, businesses and the like. The PVC floor refers to the floor produced by adopting the polyvinyl chloride material. The PVC/.
PVC flooring has many advantages over other flooring. The main raw material for producing the PVC floor is polyvinyl chloride, which is an environment-friendly nontoxic renewable resource and is a novel green and environment-friendly floor decoration material; the PVC floor is ultra-light and ultra-thin, and has incomparable advantages for stair bearing and space saving in a building; the floor is soft in texture, so that the floor has good elasticity, the coiled material floor has good soft elasticity and better elasticity under the impact of a heavy object, the foot feeling is comfortable, the floor is called as 'soft gold floor', meanwhile, the PVC floor has strong impact resistance, and the floor has strong elasticity recovery to the impact damage of the heavy object, so that the floor cannot be damaged; the main component is vinyl resin, and the vinyl resin has no affinity with water, so the waterproof coating is naturally waterproof, can not be damaged as long as being soaked for a long time, can not mildew due to high humidity, and has the characteristics of fire resistance, flame retardance, sound absorption, noise prevention, strong antibacterial property, various varieties, strong decoration and the like.
Chinese patent application No. CN201710643946.3 discloses a wear-resistant PVC composite floor. The PVC composite floor board adopts the following components as raw materials to modify rice hull fiber, PVC resin, polyurethane resin, plasticizer, stabilizer, ultraviolet light shielding agent and wax, and the obtained PVC composite floor board effectively improves the mechanical properties of the product, such as wear resistance, peeling strength and the like, so that the service life of the product is effectively prolonged. But the excellent strength and toughness are also very important for making the service performance of the PVC composite floor better.
Disclosure of Invention
The invention aims to provide a novel PVC composite floor and a production method thereof, so that the produced PVC composite floor has good wear resistance, high strength and toughness, long service life and suitability for popularization and application.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the novel PVC composite floor is prepared from the following raw materials in parts by weight: 100 parts of PVC, 15-21 parts of polypropylene grafted maleic anhydride, 1-1.8 parts of polycrystalline mullite fiber, 5-10 parts of nano diatomite, 0.3-0.5 part of silane coupling agent, 1-2 parts of epoxidized soybean oil, 6-10 parts of calcium-zinc composite stabilizer, 1.5-3 parts of inorganic flame retardant, 0.5-1 part of antioxidant and 0.4-0.8 part of lubricant.
Preferably, the PVC composite floor is prepared from the following raw materials in parts by weight: 100 parts of PVC, 18 parts of polypropylene grafted maleic anhydride, 1.6 parts of polycrystalline mullite fiber, 8 parts of nano diatomite, 0.4 part of silane coupling agent, 1.3 parts of epoxidized soybean oil, 8.5 parts of calcium-zinc composite stabilizer, 2 parts of inorganic flame retardant, 0.6 part of antioxidant and 0.5 part of lubricant.
Preferably, the grafting rate of the polypropylene grafted maleic anhydride is 0.8-1.1%.
Preferably, the diameter of the polycrystalline mullite fiber is 1-20 mu m, and the length-diameter ratio is more than or equal to 10.
Preferably, the particle size of the nano diatomite is 10-100 nm.
Preferably, the silane coupling agent is KH-550, KH-560 or KH-570.
Preferably, the flame retardant-free agent is aluminum hydroxide or magnesium hydroxide.
Preferably, the antioxidant is antioxidant 1010 or antioxidant 1330.
The lubricant is pentaerythritol tetrastearate or magnesium stearate.
The production method of the novel PVC composite floor comprises the following steps:
(1) weighing the raw materials according to the formula ratio; putting the polycrystalline mullite fiber, the nano diatomite, the silane coupling agent and the calcium-zinc composite stabilizer into a high-speed mixer, and uniformly mixing to obtain premixed powder; uniformly mixing PVC, polypropylene grafted maleic anhydride, epoxidized soybean oil, an inorganic flame retardant, an antioxidant and a lubricant in a high-speed mixer to obtain a premix;
(2) and (3) uniformly mixing the premixed powder and the premix in a high-speed mixer, extruding by using a double-screw extruder, carrying out calendaring molding, cooling to room temperature, and cutting to obtain the PVC composite floor.
The invention has the beneficial effects that:
according to the invention, PVC and polypropylene grafted maleic anhydride are compounded, the entanglement degree of molecular chains is obviously increased, a cross-linked network structure is formed between the molecular chains, the movement of macromolecules is difficult, the van der Waals force between the molecules and the hydrogen bonding force in the molecules are strong, irreversible slippage is not easy to generate, and the composite material has higher capability of resisting mechanical action under the action of external force. Due to the addition of the polypropylene grafted maleic anhydride and the combination of a proper amount of the silane coupling agent, the bonding degree of the polycrystalline mullite fiber and the PVC base material is good, and the dispersibility of the nano diatomite in the PVC base material is good, so that the strength and the toughness of the PVC composite floor are improved to a great extent. On the basis, a proper amount of calcium-zinc composite stabilizer, inorganic flame retardant, antioxidant and lubricant are combined, so that the produced PVC composite floor is good in wear resistance, high in strength and toughness, long in service life and suitable for popularization and application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a novel PVC composite floor is prepared from the following raw materials in parts by weight: 100 parts of PVC, 18 parts of polypropylene grafted maleic anhydride, 1.6 parts of polycrystalline mullite fiber, 8 parts of nano diatomite, KH-5500.4 parts of silane coupling agent, 1.3 parts of epoxidized soybean oil, 8.5 parts of calcium-zinc composite stabilizer, 2 parts of magnesium hydroxide, 10100.6 parts of antioxidant and 0.5 part of pentaerythritol tetrastearate.
The grafting rate of polypropylene grafted maleic anhydride was 0.9%. The diameter of the polycrystalline mullite fiber is 1-20 μm, and the length-diameter ratio is more than or equal to 10. The particle size of the nano diatomite is 10-100 nm.
Example 2:
a novel PVC composite floor is prepared from the following raw materials in parts by weight: 100 parts of PVC, 16 parts of polypropylene grafted maleic anhydride, 1.5 parts of polycrystalline mullite fiber, 9 parts of nano diatomite, KH-5600.3 parts of silane coupling agent, 1.6 parts of epoxidized soybean oil, 9 parts of calcium-zinc composite stabilizer, 2 parts of magnesium hydroxide, 10100.8 parts of antioxidant and 0.5 part of magnesium stearate.
The grafting rate of polypropylene grafted maleic anhydride was 1%. The diameter of the polycrystalline mullite fiber is 1-20 μm, and the length-diameter ratio is more than or equal to 10. The particle size of the nano diatomite is 10-100 nm.
Example 3:
a novel PVC composite floor is prepared from the following raw materials in parts by weight: 100 parts of PVC, 15 parts of polypropylene grafted maleic anhydride, 1.6 parts of polycrystalline mullite fiber, 6 parts of nano diatomite, KH-5500.35 parts of silane coupling agent, 2 parts of epoxidized soybean oil, 7 parts of calcium-zinc composite stabilizer, 2.5 parts of aluminum hydroxide, 13300.7 parts of antioxidant and 0.8 part of pentaerythritol tetrastearate.
The grafting rate of polypropylene grafted maleic anhydride was 0.8%. The diameter of the polycrystalline mullite fiber is 1-20 μm, and the length-diameter ratio is more than or equal to 10. The particle size of the nano diatomite is 10-100 nm.
Example 4:
a novel PVC composite floor is prepared from the following raw materials in parts by weight: 100 parts of PVC, 16 parts of polypropylene grafted maleic anhydride, 1.2 parts of polycrystalline mullite fiber, 5 parts of nano diatomite, KH-5600.5 parts of silane coupling agent, 2 parts of epoxidized soybean oil, 7 parts of calcium-zinc composite stabilizer, 2.5 parts of magnesium hydroxide, 10100.5 parts of antioxidant and 0.45 part of magnesium stearate.
The grafting rate of the polypropylene grafted maleic anhydride is 0.8-1.1%. The diameter of the polycrystalline mullite fiber is 1-20 μm, and the length-diameter ratio is more than or equal to 10. The particle size of the nano diatomite is 10-100 nm.
Example 5:
a novel PVC composite floor is prepared from the following raw materials in parts by weight: 100 parts of PVC, 21 parts of polypropylene grafted maleic anhydride, 1 part of polycrystalline mullite fiber, 8 parts of nano diatomite, KH-5500.3 parts of silane coupling agent, 1.5 parts of epoxidized soybean oil, 10 parts of calcium-zinc composite stabilizer, 1.5 parts of aluminum hydroxide, 10100.6 parts of antioxidant and 0.5 part of pentaerythritol tetrastearate.
The grafting rate of polypropylene grafted maleic anhydride was 1.1%. The diameter of the polycrystalline mullite fiber is 1-20 μm, and the length-diameter ratio is more than or equal to 10. The particle size of the nano diatomite is 10-100 nm.
Example 6:
a novel PVC composite floor is prepared from the following raw materials in parts by weight: 100 parts of PVC, 15 parts of polypropylene grafted maleic anhydride, 1.8 parts of polycrystalline mullite fiber, 5 parts of nano diatomite, KH-5600.5 parts of silane coupling agent, 1 part of epoxidized soybean oil, 8 parts of calcium-zinc composite stabilizer, 2 parts of magnesium hydroxide, 10100.5 parts of antioxidant and 0.4 part of pentaerythritol tetrastearate.
The grafting rate of polypropylene grafted maleic anhydride was 0.8%. The diameter of the polycrystalline mullite fiber is 1-20 μm, and the length-diameter ratio is more than or equal to 10. The particle size of the nano diatomite is 10-100 nm.
Example 7:
a novel PVC composite floor is prepared from the following raw materials in parts by weight: 100 parts of PVC, 15 parts of polypropylene grafted maleic anhydride, 1.8 parts of polycrystalline mullite fiber, 5 parts of nano diatomite, KH-5600.5 parts of silane coupling agent, 1 part of epoxidized soybean oil, 8 parts of calcium-zinc composite stabilizer, 2 parts of magnesium hydroxide, 10100.5 parts of antioxidant and 0.4 part of pentaerythritol tetrastearate.
The grafting rate of polypropylene grafted maleic anhydride was 0.8%. The diameter of the polycrystalline mullite fiber is 1-20 μm, and the length-diameter ratio is more than or equal to 10. The particle size of the nano diatomite is 10-100 nm.
The method for producing the novel PVC composite flooring according to the above embodiments 1 to 7 comprises the steps of:
(1) weighing the raw materials according to the formula ratio; putting the polycrystalline mullite fiber, the nano diatomite, the silane coupling agent and the calcium-zinc composite stabilizer into a high-speed mixer, and uniformly mixing to obtain premixed powder; uniformly mixing PVC, polypropylene grafted maleic anhydride, epoxidized soybean oil, an inorganic flame retardant, an antioxidant and a lubricant in a high-speed mixer to obtain a premix;
(2) and (3) uniformly mixing the premixed powder and the premix in a high-speed mixer, extruding by using a double-screw extruder, carrying out calendaring molding, cooling to room temperature, and cutting to obtain the PVC composite floor.
Comparative example 1:
a novel PVC composite floor is prepared from the following raw materials in parts by weight: 100 parts of PVC, 18 parts of polypropylene grafted maleic anhydride, 8 parts of nano kieselguhr, 8 parts of silane coupling agent KH-5500.4 parts, 1.3 parts of epoxidized soybean oil, 8.5 parts of calcium-zinc composite stabilizer, 2 parts of magnesium hydroxide, 10100.6 parts of antioxidant and 0.5 part of pentaerythritol tetrastearate.
The grafting rate of polypropylene grafted maleic anhydride was 0.9%. The diameter of the polycrystalline mullite fiber is 1-20 μm, and the length-diameter ratio is more than or equal to 10. The particle size of the nano diatomite is 10-100 nm.
Comparative example 2:
a novel PVC composite floor is prepared from the following raw materials in parts by weight: 100 parts of PVC, 1.6 parts of polycrystalline mullite fiber, 8 parts of nano diatomite, KH-5500.4 parts of silane coupling agent, 1.3 parts of epoxidized soybean oil, 8.5 parts of calcium-zinc composite stabilizer, 2 parts of magnesium hydroxide, 10100.6 parts of antioxidant and 0.5 part of pentaerythritol tetrastearate.
The grafting rate of polypropylene grafted maleic anhydride was 0.9%. The diameter of the polycrystalline mullite fiber is 1-20 μm, and the length-diameter ratio is more than or equal to 10. The particle size of the nano diatomite is 10-100 nm.
Production methods in comparative examples 1 to 2 reference is made to the production methods of the novel PVC composite flooring in examples 1 to 7.
And (3) performance testing:
the PVC composite flooring obtained in examples 1 to 7 and the PVC composite flooring in comparative examples 1 to 2 were cut into standard test pieces and subjected to a performance test.
And (3) wear resistance test: the decorative surface of the test piece is upwards arranged on an abrasion tester, the grinding wheel is arranged on a bracket, abrasion is carried out under the condition of applying external force of 4.9N +/-0.2N, and the grinding wheel is replaced once every 100 revolutions of abrasion. The number of revolutions at which it was worn to 0.2 mm. + -. 0.02mm was recorded, indicating its wear resistance. Meanwhile, the impact strength, tensile strength and elongation at break of the PVC composite flooring obtained in examples 1 to 7 and the PVC composite flooring in comparative examples 1 to 2 were tested.
Specific test results are shown in table 1.
Table 1:
as can be seen from Table 1, the PVC composite floor board of the invention, which is simultaneously added with the polypropylene grafted maleic anhydride and the polycrystalline mullite fiber, has good effects of improving the wear resistance, the strength and the toughness of the PVC composite floor board.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The novel PVC composite floor is characterized by being prepared from the following raw materials in parts by weight: 100 parts of PVC, 15-21 parts of polypropylene grafted maleic anhydride, 1-1.8 parts of polycrystalline mullite fiber, 5-10 parts of nano diatomite, 0.3-0.5 part of silane coupling agent, 1-2 parts of epoxidized soybean oil, 6-10 parts of calcium-zinc composite stabilizer, 1.5-3 parts of inorganic flame retardant, 0.5-1 part of antioxidant and 0.4-0.8 part of lubricant.
2. The novel PVC composite floor according to claim 1, wherein the PVC composite floor is prepared from the following raw materials in parts by weight: 100 parts of PVC, 18 parts of polypropylene grafted maleic anhydride, 1.6 parts of polycrystalline mullite fiber, 8 parts of nano diatomite, 0.4 part of silane coupling agent, 1.3 parts of epoxidized soybean oil, 8.5 parts of calcium-zinc composite stabilizer, 2 parts of inorganic flame retardant, 0.6 part of antioxidant and 0.5 part of lubricant.
3. The novel PVC composite floor according to claim 1, wherein the polypropylene grafted maleic anhydride has a grafting ratio of 0.8-1.1%.
4. The PVC composite floor as claimed in claim 1, wherein the polycrystalline mullite fibers have a diameter of 1-20 μm and an aspect ratio of 10 or more.
5. The novel PVC composite floor according to claim 1, wherein the nano diatomite has a particle size of 10-100 nm.
6. The novel PVC composite flooring according to claim 1, wherein the silane coupling agent KH-550, KH-560 or KH-570.
7. The novel PVC composite floor according to claim 1, wherein the flame retardant is aluminum hydroxide or magnesium hydroxide.
8. The novel PVC composite floor according to claim 1, wherein the antioxidant is antioxidant 1010 or antioxidant 1330.
9. The novel PVC composite floor according to claim 1, wherein the lubricant is pentaerythritol tetrastearate or magnesium stearate.
10. The method for producing a new PVC composite floor according to any one of claims 1-9, characterised in that it comprises the following steps:
(1) weighing the raw materials according to the formula ratio; putting the polycrystalline mullite fiber, the nano diatomite, the silane coupling agent and the calcium-zinc composite stabilizer into a high-speed mixer, and uniformly mixing to obtain premixed powder; uniformly mixing PVC, polypropylene grafted maleic anhydride, epoxidized soybean oil, an inorganic flame retardant, an antioxidant and a lubricant in a high-speed mixer to obtain a premix;
(2) and (3) uniformly mixing the premixed powder and the premix in a high-speed mixer, extruding by using a double-screw extruder, carrying out calendaring molding, cooling to room temperature, and cutting to obtain the PVC composite floor.
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Application publication date: 20191231 |
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