CN114957830A - Panel substrate - Google Patents

Panel substrate Download PDF

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Publication number
CN114957830A
CN114957830A CN202210408948.5A CN202210408948A CN114957830A CN 114957830 A CN114957830 A CN 114957830A CN 202210408948 A CN202210408948 A CN 202210408948A CN 114957830 A CN114957830 A CN 114957830A
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CN
China
Prior art keywords
numbness
natural material
substrate
calcium carbonate
board substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210408948.5A
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Chinese (zh)
Inventor
曾志文
博宇轩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chinafloors Timber China Co ltd
Original Assignee
Chinafloors Timber China Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chinafloors Timber China Co ltd filed Critical Chinafloors Timber China Co ltd
Priority to CN202210408948.5A priority Critical patent/CN114957830A/en
Publication of CN114957830A publication Critical patent/CN114957830A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions 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
    • C08L27/02Compositions 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
    • C08L27/04Compositions 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
    • C08L27/06Homopolymers or copolymers of vinyl chloride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/06Biodegradable
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/14Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16Fibres; Fibrils

Abstract

A board substrate mainly comprises at least one thermoplastic material, a natural material and calcium carbonate. Wherein the density of the board can be reduced to 1700g/cm by adding the natural material 3 And the elastic modulus of the material is not reduced by the addition of the natural material, and the flexural modulus of the material is higher than 22.

Description

Panel substrate
Technical Field
The invention relates to the technical field of composite floors, in particular to a plate substrate.
Background
Existing composite flooring is typically made primarily from polyvinyl chloride (PVC) as the starting material. Specifically, the composite floor is formed by adding a color film layer and a wear-resistant layer on one side of a substrate made of polyvinyl chloride. The main materials of the board substrate produced by this extrusion process include polyvinyl chloride and calcium carbonate. The main reason for adding calcium carbonate into the substrate is that 1, the size stability of the plastic product is improved, and the calcium carbonate plays a skeleton role in the plastic product due to the addition of the calcium carbonate and has a great effect on the size stability of the plastic product. 2. The hardness and rigidity of the plastic product are improved, namely in plastics, particularly soft polyvinyl chloride, the hardness is gradually increased along with the addition of calcium carbonate, and the elongation is reduced along with the increase of the hardness. Fine particles, large oil absorption value and high hardness increment rate. On the contrary, the calcium carbonate with coarse particles and small oil absorption value has small hardness growth rate of the plastic. In soft polyvinyl chloride, the hardness increase rate of heavy calcium carbonate is the smallest, and precipitated calcium carbonate (light) is the second. 3. The processing property of the plastic is improved, namely the rheological property of the plastic can be changed by adding calcium carbonate. The calcium carbonate powder is added in a large amount, so that the calcium carbonate powder is beneficial to mixing with other components and processing and shaping of plastics. Due to the addition of the calcium carbonate, particularly after the calcium carbonate is subjected to surface treatment, the hardness of the product can be improved, and the surface gloss and the surface smoothness of the product can also be improved. In addition, due to the addition of calcium carbonate, the shrinkage rate, the linear expansion coefficient and the creep property of the plastic product can be reduced, and conditions are created for processing and forming. 4. The heat resistance of plastic products is improved, that is, the heat resistance is improved by adding calcium carbonate to general plastic products, for example, about 40% of calcium carbonate is added to polypropylene to improve the heat resistance by about 200 ℃. When the filling ratio of the calcium carbonate is less than or equal to 20 percent, the heat-resistant temperature is increased by 8-130 ℃. 5. The cost of the plastic product is reduced, namely the prices of the common light calcium carbonate and the heavy calcium carbonate are far lower than the price of the plastic, and the cost of the plastic product is reduced by adding the calcium carbonate.
Table 1 below shows the characteristic analysis of the current board substrate in different ratios of pvc and calcium carbonate.
TABLE 1PVCvsCaCO3
Ratio of Density (g/cm3) MOR MOE
2.2:1 2000 18 3000
3:1 2100 18 7000
3.3:1 2200 14 9000
As is clear from table 1, the greater the amount of pvc added, the greater the elastic modulus of the substrate, i.e., the greater the expansion and contraction rate of the substrate. However, by changing the angle, it appears that the flex modulus does not change as the pvc increases. From this, it is inferred that the flexural modulus of the plate substrate changes basically with the increase and decrease of calcium carbonate.
The board substrate can achieve the predetermined effect after being manufactured. However, because the global environmental protection requirements are becoming more and more strict and more important, people are gradually developing various products in a direction of being durable and degradable without losing the original designed efficacy. However, the above-described material combinations for the conventional plate substrates cannot achieve the purpose of degradation and weight reduction at all.
Disclosure of Invention
In view of the above, the present invention provides a board substrate, which is lower in manufacturing cost than the existing similar products, and has a higher flexural modulus than the original composition.
In order to achieve the above objectives, the main technical means of the present invention is to provide a board substrate, which is mainly made of at least one thermoplastic material, at least one calcium carbonate, and at least one natural material, so that the flexural modulus of the board substrate is between 20 and 24.
Further, the thermoplastic material is polyethylene.
Further, the at least one natural material includes numbness.
Further, the at least one natural material includes cork.
Further, the at least one natural material includes sugar cane fiber.
Further, the at least one natural material includes numbness, which results in an elastic modulus of the sheet substrate of 6000.
Further, the at least one natural material includes numbness, such that the sheet substrate has an elastic modulus of 6000 and a flexural modulus of not less than 20.
Further, the at least one natural material includes numbness such that the sheet substrate has an elastic modulus of 6000 and a flexural modulus of 22.
Further, the at least one natural material includes at least one of numbness, cork, and sugar cane fiber, or a mixture thereof.
Further, the at least one natural material includes numbness such that the density of the panel substrate is only 1700g/cm 3
Further, the at least one natural material includes numbness, and the numbness is treated with maleic anhydride.
Further, the at least one natural material includes numbness, and the numbness is treated with an alkali, preferably sodium hydroxide.
Compared with the prior art, the natural material is added into the plate substrate, so that the durability of the plate substrate can achieve the expected purpose and can achieve the degradable purpose on the basis of not losing the basic flexural modulus of the plate substrate.
Detailed Description
Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
The invention provides a board substrate which is mainly made of at least one thermoplastic material, at least one calcium carbonate and at least one natural material. The thermoplastic material is plastic which has plasticity at a certain temperature, is solidified after cooling and can repeat the process, and the molecular structure of the thermoplastic material is characterized by linear macromolecular compounds, generally has no active groups and does not generate linear intermolecular crosslinking when being heated. In this embodiment, the thermoplastic material is polyethylene. The calcium carbonate itselfCalcium carbonate is classified into heavy calcium carbonate, light calcium carbonate, colloidal calcium carbonate and crystalline calcium carbonate according to the production method, which is prior art. In the present invention, the calcium carbonate may be one or more of the above-mentioned classes. In order to reduce the overall weight of the plate substrate and enhance the Modulus of flexure (MOR), a naturally degradable material is selected from the material of the plate substrate, and the material can be one or more of numbness, sugarcane fiber and cork, wherein the numbness is at least 5-10 mm long, so that the elasticity and toughness of the plate can be increased after the numbness is added. After the natural materials are added, experiments prove that the elastic modulus of the plate substrate is about 6000, and the flexural Modulus (MOR) of the plate substrate is not less than 20, namely between 20 and 24, and is preferably 22. In addition, in addition to the single natural material described above, a mixture of one or more materials including numbness, cork, and sugar cane fiber may be added to the board substrate. Through experiments, when the natural material is numb, the natural material only enables the density of the board substrate to be 1700g/cm 3 Thus, the weight of the plate substrate can be greatly reduced. Also, in another embodiment, it can be seen that the numbing surface added may be preceded by maleic anhydride. Also, numbing fibers may be treated with alkali, preferably sodium hydroxide. Therefore, the surface energy can be increased for the subsequent processing and jointing of the plate in the future.
After the addition of the above natural materials, the physical characteristics of each item were compared with those of the original materials, and the data are shown in Table 2.
TABLE 2 PVC vs CaCO 3
Figure 776165DEST_PATH_IMAGE002
Compared with the prior art, the natural material is added into the plate substrate, so that the durability of the plate substrate can achieve the expected purpose on the basis of not losing the basic flexural modulus of the plate substrate, and meanwhile, the plate substrate can achieve the degradable purpose.
As can be seen from the above description, the board substrate provided by the present invention, after being added with natural materials, has a flexural Modulus (MOR) that is not comparable to that of the existing product, and also has an elastic Modulus (MOE) that is not inferior to that of the existing product; therefore, the natural material is added, the characteristics of the natural material are not lost, and the natural material is more outstanding than the existing product in some aspects; furthermore, due to the addition of natural materials, the overall density is only 1700g/cm3 after the production is finished, which is far lower than that of the existing products. Weight reduction means that more finished products can be worn in transit with conventional shipping wear, thereby reducing the cost of more transportation.
The above description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalents or 145-improvements within the spirit of the present invention are intended to be covered by the claims of the present invention.

Claims (12)

1. A panel substrate, comprising: the plate substrate is mainly made of at least one thermoplastic material and at least one natural material, so that the flexural Modulus (MOR) of the plate substrate is 20-24.
2. The board substrate according to claim 1, wherein: the thermoplastic material is polyethylene, poly terephthalic acid, polypropylene or polyvinyl chloride.
3. The board substrate according to claim 1, wherein: the at least one natural material includes numbness, and at least one calcium carbonate.
4. The board substrate according to claim 1, wherein: the at least one natural material comprises cork.
5. The board substrate according to claim 1, wherein: the at least one natural material comprises sugar cane fiber.
6. The sheet substrate of claim 1, wherein: the at least one natural material includes numbness such that the sheet substrate has an elastic modulus of 6000.
7. The board substrate according to claim 3, wherein: the at least one natural material comprises numbness, so that the elastic modulus of the plate substrate is 6000, and the flexural modulus is not less than 20, wherein the length of the numbness is at least 5-10 mm.
8. The sheet substrate of claim 1, wherein: the at least one natural material is at least one of numb, cork and sugar cane fiber or a mixture thereof.
9. The board substrate according to claim 3, wherein: the at least one natural material includes numbness such that the sheet substrate has an elastic modulus of 6000 and a flexural modulus of 22.
10. The board substrate according to claim 3, wherein: the at least one natural material includes numbness such that the density of the sheet substrate is only 1700g/cm 3
11. The board substrate according to claim 3, wherein: the at least one natural material comprises numbness, and the numbness is treated with maleic anhydride.
12. The board substrate according to claim 3, wherein: the at least one natural material includes numbness, and the numbness is treated with an alkali, preferably sodium hydroxide.
CN202210408948.5A 2022-04-19 2022-04-19 Panel substrate Pending CN114957830A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210408948.5A CN114957830A (en) 2022-04-19 2022-04-19 Panel substrate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210408948.5A CN114957830A (en) 2022-04-19 2022-04-19 Panel substrate

Publications (1)

Publication Number Publication Date
CN114957830A true CN114957830A (en) 2022-08-30

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ID=82976889

Family Applications (1)

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Country Status (1)

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CN (1) CN114957830A (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4851458A (en) * 1986-09-11 1989-07-25 Rehau Ag & Co. Use of cellulose fibers for structurally modifying polyvinyl chloride articles
CN1063694A (en) * 1992-03-03 1992-08-19 贾玉良 A kind of reprocessed plastic(s) and preparation method
EP1070782A1 (en) * 1999-07-20 2001-01-24 Wwj, L.L.C. Lignocellulose fiber filler for thermoplastic composite compositions
US20060270762A1 (en) * 2005-03-17 2006-11-30 Luzenac America, Inc. Cellulosic inorganic-filled plastic composite
US20080269377A1 (en) * 2007-04-26 2008-10-30 Board Of Trustees Of Michigan State University Hybrid PVC/wood-reinforcement nanocomposites and method of manufacture
US20090012213A1 (en) * 2006-02-15 2009-01-08 Elkem As Composite Plastics Material
CN101708617A (en) * 2009-11-25 2010-05-19 宜兴森诺塑胶复合制品有限公司 Anti-ageing wood-plastic composite board and preparation method thereof
WO2012128790A1 (en) * 2010-10-29 2012-09-27 Interfacial Solutions Ip, Llc High strength polymeric composites
CN106479046A (en) * 2016-09-28 2017-03-08 广东碧盛环球环保材料有限公司 A kind of PPM environment-friendly materials and preparation method thereof
CN107662268A (en) * 2016-12-31 2018-02-06 北京林业大学 A kind of flaxen fiber enhancing orientation wood-plastic composite particleboard and its manufacture method
CN107778634A (en) * 2017-11-14 2018-03-09 南京维思创新材料科技有限公司 A kind of fiber reinforcement biological material and preparation method thereof
WO2019038260A1 (en) * 2017-08-21 2019-02-28 Swisspearl Group Ag Drop impact-resistant and adaptive flooring
CN110894329A (en) * 2019-12-09 2020-03-20 十倍好智能家居(广州)有限公司 Sheet material, preparation method and use method

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4851458A (en) * 1986-09-11 1989-07-25 Rehau Ag & Co. Use of cellulose fibers for structurally modifying polyvinyl chloride articles
CN1063694A (en) * 1992-03-03 1992-08-19 贾玉良 A kind of reprocessed plastic(s) and preparation method
EP1070782A1 (en) * 1999-07-20 2001-01-24 Wwj, L.L.C. Lignocellulose fiber filler for thermoplastic composite compositions
US20060270762A1 (en) * 2005-03-17 2006-11-30 Luzenac America, Inc. Cellulosic inorganic-filled plastic composite
US20090012213A1 (en) * 2006-02-15 2009-01-08 Elkem As Composite Plastics Material
US20080269377A1 (en) * 2007-04-26 2008-10-30 Board Of Trustees Of Michigan State University Hybrid PVC/wood-reinforcement nanocomposites and method of manufacture
CN101708617A (en) * 2009-11-25 2010-05-19 宜兴森诺塑胶复合制品有限公司 Anti-ageing wood-plastic composite board and preparation method thereof
WO2012128790A1 (en) * 2010-10-29 2012-09-27 Interfacial Solutions Ip, Llc High strength polymeric composites
CN106479046A (en) * 2016-09-28 2017-03-08 广东碧盛环球环保材料有限公司 A kind of PPM environment-friendly materials and preparation method thereof
CN107662268A (en) * 2016-12-31 2018-02-06 北京林业大学 A kind of flaxen fiber enhancing orientation wood-plastic composite particleboard and its manufacture method
WO2019038260A1 (en) * 2017-08-21 2019-02-28 Swisspearl Group Ag Drop impact-resistant and adaptive flooring
CN107778634A (en) * 2017-11-14 2018-03-09 南京维思创新材料科技有限公司 A kind of fiber reinforcement biological material and preparation method thereof
CN110894329A (en) * 2019-12-09 2020-03-20 十倍好智能家居(广州)有限公司 Sheet material, preparation method and use method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张美云: "非木材纤维乙醇法制浆原理与技术", vol. 1, 中国轻工业出版社, pages: 210 - 211 *

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