CN112625378A - Light floor leather substrate prepared by micro-foaming technology - Google Patents

Light floor leather substrate prepared by micro-foaming technology Download PDF

Info

Publication number
CN112625378A
CN112625378A CN202011512444.5A CN202011512444A CN112625378A CN 112625378 A CN112625378 A CN 112625378A CN 202011512444 A CN202011512444 A CN 202011512444A CN 112625378 A CN112625378 A CN 112625378A
Authority
CN
China
Prior art keywords
foaming
parts
micro
light
weight
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
CN202011512444.5A
Other languages
Chinese (zh)
Inventor
饶保东
肖殿业
肖殿飞
黄继涛
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.)
Xinhao Plastic Co ltd
Original Assignee
Xinhao Plastic 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 Xinhao Plastic Co ltd filed Critical Xinhao Plastic Co ltd
Priority to CN202011512444.5A priority Critical patent/CN112625378A/en
Publication of CN112625378A publication Critical patent/CN112625378A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C08J9/102—Azo-compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F259/00—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00
    • C08F259/02—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing chlorine
    • C08F259/04—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing chlorine on to polymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • 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
    • C08J9/0014—Use of organic additives
    • C08J9/0023—Use of organic additives containing oxygen
    • 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
    • C08J9/0014—Use of organic additives
    • C08J9/0042—Use of organic additives containing silicon
    • 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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • 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
    • 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
    • C08J2427/00—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
    • C08J2427/02—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
    • C08J2427/04—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
    • C08J2427/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2475/04—Polyurethanes
    • C08J2475/06—Polyurethanes from polyesters
    • 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
    • C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
    • 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
    • C08K5/54—Silicon-containing compounds
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Emergency Medicine (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)

Abstract

The invention discloses a light-weight floor leather base material prepared by adopting a micro-foaming technology, which is prepared from the following raw materials in parts by weight: 25-35 parts of foaming functional master batch, 40-50 parts of polyvinyl chloride resin, 10-20 parts of modifier, 2-3 parts of flame retardant, 3-5 parts of calcium stearate and 1-3 parts of cross-linking agent.

Description

Light floor leather substrate prepared by micro-foaming technology
Technical Field
The invention relates to the technical field of plastic flooring base materials, and particularly belongs to a light plastic flooring base material prepared by adopting a micro-foaming technology.
Background
The floor leather, also called coiled material floor, is one of the indispensable floor materials for modern room decoration, not only is beautiful, but also has good practical effect, and has the characteristics of sound insulation, moisture insulation, wear resistance, corrosion resistance and the like, and can be used for room floors and kitchen wall surfaces. The floor and wall surface of the toilet can replace ceramic tiles. The plastic floor leather belongs to a plastic product, is one of indispensable floor materials for modern room decoration, has the thickness of less than 2.0 mm, and the wear-resistant layer is generally less than or equal to 0.1 mm, and belongs to a soft floor. The common floor leather is composed of a base material and a surface layer compounded on the surface of the base material, wherein the base material mainly takes PVC as a main material and is then supplemented with various functional additives, and the floor leather is prepared by processes of high-temperature mixing, extrusion and the like, the surface layer can be made into functional coatings with different color patterns according to the actual use requirements of customers, and the thickness of the surface layer is thinner, so that the actual use performance of the floor leather is determined by the performance of the base material when the floor leather is actually used. The PVC base material of the existing floor leather has high hardness and weight, the flexibility after foaming is still poor, the foaming process is unstable, the pore size distribution range of bubbles in the base material is extremely wide, and the uniformity of the bubbles is seriously influenced.
Disclosure of Invention
The invention aims to provide a light-weight plastic flooring base material prepared by adopting a micro-foaming technology, and solves the problem that the foaming process of the plastic flooring base material in the prior art is unstable.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the light floor leather base material prepared by adopting a micro-foaming technology is prepared from the following raw materials in parts by weight: 25-35 parts of foaming functional master batch, 40-50 parts of polyvinyl chloride resin, 10-20 parts of modifier, 2-3 parts of flame retardant, 3-5 parts of calcium stearate and 1-3 parts of cross-linking agent.
Preferably, the foaming functional master batch comprises coating resin and a foaming agent coated in the coating resin.
Preferably, the preparation method of the foaming functional master batch comprises the following steps: uniformly mixing the coating resin and the stabilizer according to the weight ratio, heating to 30-50 ℃, then adding the foaming agent, uniformly mixing, cooling and granulating to obtain the foaming functional master batch.
Preferably, the coating resin is PVC paste, and the stabilizer is epoxidized soybean oil.
Preferably, the foaming agent is at least one of azodiisobutyronitrile, diethyl azodicarboxylate and diisopropyl azodicarboxylate.
Preferably, the mass ratio of the coating resin to the stabilizer to the foaming agent is 30:0.5-2: 10-15.
Preferably, the cross-linking agent is methylene bisacrylamide or pentaerythritol triacrylate.
Preferably, the modifier is a thermoplastic polyurethane.
Preferably, the modifier is modified polyurethane.
Preferably, the preparation method of the modified polyurethane comprises the following steps: heating and softening the thermoplastic polyurethane in a high-speed shearing machine, shearing at high speed, adding a mixed solution of tetraethyl orthosilicate and acetic acid, continuing to perform shearing reaction, granulating, and cooling to obtain the modified polyurethane.
The preparation method of the light-weight floor leather substrate prepared by adopting the micro-foaming technology comprises the following steps: adding polyvinyl chloride resin, a modifier, a flame retardant, calcium stearate and a cross-linking agent into a kneader according to the weight ratio, kneading for 1-3h at the temperature of 120-130 ℃, cooling to 90-110 ℃, adding foaming master batches, kneading for 10-15min, immediately feeding into an extruder, expanding, foaming and extruding at the temperature of 110-140 ℃ through a die head die orifice, calendering through a three-roller calender, cooling and shaping through a cooling roller, drawing through a tractor, and finally rolling into a coil for packaging to obtain the light floor leather base material.
Compared with the prior art, the invention has the following implementation effects:
1. according to the invention, polyurethane is used as an additive of the floor leather base material, and after the polyurethane is mixed with polyvinyl chloride for use, the flexibility of the polyvinyl chloride is improved, the hardness is reduced, and the actual use performance of the polyvinyl chloride is improved.
2. According to the invention, the cross-linking agent methylene bisacrylamide or pentaerythritol triacrylate initiated by free radicals is used, so that the cross-linking agent methylene bisacrylamide or pentaerythritol triacrylate can be cross-linked with polyurethane and polyvinyl chloride, the bonding strength of the polyurethane and the polyvinyl chloride is improved, and meanwhile, the cross-linking agent has a blocking effect on the foaming agent, part of free radicals generated by foaming of the foaming agent are received by the cross-linking agent, the foaming process of the foaming agent is slowed down, the foaming process is controllable, and the problems of too wide pore size distribution range and poor uniformity of a floor leather substrate caused by out-of-control foaming are effectively avoided.
3. After the foaming agent and the cross-linking agent are used in a matched manner, the density of the plastic flooring base material is effectively reduced, the foaming process of the plastic flooring base material is controllable, and the produced plastic flooring is good in uniformity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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.
The thermoplastic polyurethane used in the present invention is a polyester type, and is available from Risheng plastics Co., Ltd, of Foshan.
Example 1
Mixing 30kg of PVC paste and 1kg of epoxy soybean oil uniformly, heating to 38 ℃, adding 12kg of azodiisobutyronitrile, mixing uniformly, cooling and granulating to obtain the foaming functional master batch. Then, 40kg of polyvinyl chloride resin, 12kg of thermoplastic polyurethane, 2.5kg of flame retardant, 3kg of calcium stearate and 2kg of methylene bisacrylamide are added into a kneader and kneaded for 2h at the temperature of 120 ℃, then, when the temperature is reduced to 90 ℃, 25kg of foaming master batch is added, the mixture is kneaded for 10min, then, the mixture is immediately sent into an extruder, expanded, foamed and extruded at the temperature of 110 ℃ through a die head die orifice, then, calendered by a three-roll calender, cooled and shaped by a cooling roll, then, drawn by a tractor, finally, coiled and packaged to obtain the light floor leather base material with the thickness of 1.5 mm.
Example 2
Mixing 30kg of PVC paste and 1.3kg of epoxy soybean oil uniformly, heating to 43 ℃, adding 15kg of diethyl azodicarboxylate, mixing uniformly, cooling and granulating to obtain the foaming functional master batch. Then, 45kg of polyvinyl chloride resin, 16kg of thermoplastic polyurethane, 3kg of flame retardant, 4kg of calcium stearate and 3kg of pentaerythritol triacrylate are added into a kneader and kneaded at 130 ℃ for 2h, then the temperature is reduced to 100 ℃, 32kg of foaming master batches are added, the mixture is kneaded for 15min, then the mixture is immediately sent into an extruder, the mixture is subjected to expansion foaming extrusion at 130 ℃ through a die head die orifice, then the mixture is subjected to calendaring by a three-roller calendar, then is cooled and shaped by a cooling roller, is drawn by a tractor, and finally is rolled into a roll and packaged to obtain the light floor leather base material with the thickness of 1.5 mm.
Example 3
Mixing 30kg of PVC paste and 1.5kg of epoxy soybean oil uniformly, heating to 42 ℃, adding 14kg of diisopropyl azodicarboxylate, mixing uniformly, cooling and granulating to obtain the foaming master batch. And then adding 46kg of polyvinyl chloride resin, 20kg of thermoplastic polyurethane, 3kg of flame retardant, 4kg of calcium stearate and 3kg of methylene bisacrylamide into a kneader to be kneaded at 130 ℃ for 1.5h, then cooling to 110 ℃, adding 35kg of foaming master batch to be kneaded for 15min, immediately feeding the mixture into an extruder, performing expansion foaming extrusion at 130 ℃ through a die head die orifice, performing calendaring by a three-roller calendar, cooling and shaping by a cooling roller, drawing by a tractor, finally rolling into coiled materials and packaging to obtain the light floor leather base material with the thickness of 1.5 mm.
Example 4
Heating 30kg of thermoplastic polyurethane to 130 ℃ in a high-speed shearing machine, shearing at high speed for 20min, adding a mixed solution of 0.5kg of tetraethyl orthosilicate and 0.2kg of acetic acid, continuously shearing for 1h, granulating, and cooling to obtain the modified polyurethane.
Mixing 30kg of PVC paste and 1.5kg of epoxy soybean oil uniformly, heating to 42 ℃, adding 14kg of diisopropyl azodicarboxylate, mixing uniformly, cooling and granulating to obtain the foaming master batch. And then adding 46kg of polyvinyl chloride resin, 20kg of modified polyurethane, 3kg of flame retardant, 4kg of calcium stearate and 3kg of methylene bisacrylamide into a kneader to be kneaded at 130 ℃ for 1.5h, then cooling to 110 ℃, adding 35kg of foaming master batch to be kneaded for 15min, immediately feeding the mixture into an extruder, performing expansion foaming extrusion at 130 ℃ through a die head die orifice, performing calendaring by a three-roller calendar, cooling and shaping by a cooling roller, drawing by a tractor, finally rolling into coiled materials and packaging to obtain the light floor leather base material with the thickness of 1.5 mm.
Comparative example 1
The difference from example 1 is that methylene bisacrylamide was added in an amount of 0.
Comparative example 2
The difference from example 1 is that the thermoplastic polyurethane is added in an amount of 0.
The light floor leather substrates in examples 1-3 and comparative examples 1-2 were pressed against the surface of a cylinder with a diameter of 50mm using a roller according to GB1748 to test flexibility; the breaking strength was determined according to standard FZ/T60005-1991; and the foamed pore size distribution and density were measured, and the results are shown in the following table:
example 1 Example 2 Practice ofExample 3 Example 4 Comparative example 1 Comparative example 2
Breaking strength Mpa 21.8 20.4 21.2 22.3 18.4 23.3
Elongation at break% 342 321 357 396 238 265
Density g/cm3 0.92 0.89 0.94 0.86 0.85 0.83
Pore size distribution um 300-360 340-380 330-380 390-430 530-940 360-440
Therefore, the hardness of the floor leather base material is effectively reduced by adding the thermoplastic polyurethane, so that the elongation at break of the floor leather base material is obviously improved; according to the invention, methylene bisacrylamide and pentaerythritol triacrylate are used as the cross-linking agents, so that the bonding strength of polyurethane and polyvinyl chloride resin is improved, and the cross-linking agents play a role in inhibiting excessive foaming of foaming agents, so that the foamed pore size of the floor leather substrate is uniformly distributed, the pore size distribution range is narrow, and the uniformity of the floor leather substrate is good. In addition, the polyurethane is modified by using tetraethyl orthosilicate and acetic acid, and the tetraethyl orthosilicate is decomposed at high temperature and crosslinked with the polyurethane under the catalytic action of the acetic acid, so that the elasticity of the floor leather substrate is greatly improved, the strength is obviously improved, and the density is obviously reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The light-weight floor leather base material prepared by adopting a micro-foaming technology is characterized by being prepared from the following raw materials in parts by weight: 20-35 parts of foaming functional master batch, 40-50 parts of polyvinyl chloride resin, 10-20 parts of modifier, 2-3 parts of flame retardant, 3-5 parts of calcium stearate and 1-3 parts of cross-linking agent.
2. The light-weight floor leather base material prepared by adopting the micro-foaming technology according to claim 1, wherein the foaming functional master batch comprises coating resin and a foaming agent coated in the coating resin.
3. The light-weight floor leather base material prepared by adopting the micro-foaming technology according to claim 2, wherein the preparation method of the foaming functional master batch comprises the following steps: uniformly mixing the coating resin and the stabilizer according to the weight ratio, heating to 30-50 ℃, then adding the foaming agent, uniformly mixing, cooling and granulating to obtain the foaming functional master batch.
4. The light-weight floor leather substrate prepared by adopting the micro-foaming technology as claimed in claim 3, wherein the coating resin is PVC paste, and the stabilizer is epoxidized soybean oil.
5. The light weight flooring substrate prepared by micro-foaming technology according to claim 3, wherein the foaming agent is at least one of azobisisobutyronitrile, diethyl azodicarboxylate, and diisopropyl azodicarboxylate.
6. The light-weight floor leather substrate prepared by adopting the micro-foaming technology according to claim 3, characterized in that the mass ratio of the coating resin, the stabilizer and the foaming agent is 30:0.5-2: 10-15.
7. The light weight flooring substrate prepared by the micro-foaming technology according to claim 1, wherein the cross-linking agent is methylene bisacrylamide or pentaerythritol triacrylate.
8. The light weight flooring substrate made by microfoaming technology as claimed in claim 1, wherein the modifier is a thermoplastic polyurethane.
9. The light-weight floor leather substrate prepared by adopting the micro-foaming technology as claimed in claim 1, wherein the modifier is modified polyurethane.
CN202011512444.5A 2020-12-19 2020-12-19 Light floor leather substrate prepared by micro-foaming technology Pending CN112625378A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011512444.5A CN112625378A (en) 2020-12-19 2020-12-19 Light floor leather substrate prepared by micro-foaming technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011512444.5A CN112625378A (en) 2020-12-19 2020-12-19 Light floor leather substrate prepared by micro-foaming technology

Publications (1)

Publication Number Publication Date
CN112625378A true CN112625378A (en) 2021-04-09

Family

ID=75317808

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011512444.5A Pending CN112625378A (en) 2020-12-19 2020-12-19 Light floor leather substrate prepared by micro-foaming technology

Country Status (1)

Country Link
CN (1) CN112625378A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113150467A (en) * 2021-04-23 2021-07-23 贵州理工学院 Micro-foaming PVC sol and preparation method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1034930A (en) * 1988-02-08 1989-08-23 上海树脂厂 Method for preparing silicate polymers of various degrees of hydrolysis
CN1176271A (en) * 1996-09-12 1998-03-18 大日本油墨化学工业株式会社 Cross-linked polyurethane resin composition for artificial leather and synthetic leather and artificial leather and synthetic leather produced therefrom
JPH1160868A (en) * 1997-08-19 1999-03-05 Chisso Corp Vinyl chloride resin composition for foam extrusion
JP2000191817A (en) * 1998-12-28 2000-07-11 Kureha Chem Ind Co Ltd Expandable microsphere and its production
CN102532754A (en) * 2011-12-27 2012-07-04 华东理工大学 Crosslinking type polyvinyl chloride/thermoplastic polyurethane light foaming material and preparation method thereof
CN107501789A (en) * 2017-08-28 2017-12-22 合肥华凌股份有限公司 Fretting map functional agglomerate, gasket and preparation method thereof and refrigeration plant
CN108484960A (en) * 2018-03-26 2018-09-04 郑细玉 A kind of low resilience aqueous polyurethane
CN110774707A (en) * 2019-10-09 2020-02-11 界首市鑫豪塑胶有限公司 Anti-layering environment-friendly flame-retardant floor leather

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1034930A (en) * 1988-02-08 1989-08-23 上海树脂厂 Method for preparing silicate polymers of various degrees of hydrolysis
CN1176271A (en) * 1996-09-12 1998-03-18 大日本油墨化学工业株式会社 Cross-linked polyurethane resin composition for artificial leather and synthetic leather and artificial leather and synthetic leather produced therefrom
JPH1160868A (en) * 1997-08-19 1999-03-05 Chisso Corp Vinyl chloride resin composition for foam extrusion
JP2000191817A (en) * 1998-12-28 2000-07-11 Kureha Chem Ind Co Ltd Expandable microsphere and its production
CN102532754A (en) * 2011-12-27 2012-07-04 华东理工大学 Crosslinking type polyvinyl chloride/thermoplastic polyurethane light foaming material and preparation method thereof
CN107501789A (en) * 2017-08-28 2017-12-22 合肥华凌股份有限公司 Fretting map functional agglomerate, gasket and preparation method thereof and refrigeration plant
CN108484960A (en) * 2018-03-26 2018-09-04 郑细玉 A kind of low resilience aqueous polyurethane
CN110774707A (en) * 2019-10-09 2020-02-11 界首市鑫豪塑胶有限公司 Anti-layering environment-friendly flame-retardant floor leather

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113150467A (en) * 2021-04-23 2021-07-23 贵州理工学院 Micro-foaming PVC sol and preparation method thereof
CN113150467B (en) * 2021-04-23 2022-05-24 贵州理工学院 Micro-foaming PVC sol and preparation method thereof

Similar Documents

Publication Publication Date Title
CN1137201C (en) Process for preparation polyvinyl-chloride foaming material
CN103437197B (en) Water-based breathable leather
WO2018113325A1 (en) Composition for producing sheet material foam layer, sheet material including composition, and production method for sheet material
CN110092995B (en) Basalt fiber composite board and preparation method thereof
CN112625378A (en) Light floor leather substrate prepared by micro-foaming technology
CN109233078B (en) Sound insulation composite material for rail transit and preparation method thereof
CN112225976A (en) Low-compression-stress IXPE foam and preparation method and application thereof
JP5294129B2 (en) Metallocene-ethylenepropylene diene copolymer rubber-based open cell body and method for producing the same
CN104893155A (en) Polyvinyl chloride floorboard substrate and preparation method thereof
US4028449A (en) Process for preparing a highly expanded polyvinyl chloride foam product
CN109591419B (en) PVC foaming folding plate and preparation method thereof
CN102729480A (en) Method for producing low-foaming PVC (polyvinyl chloride) crust board
CN111138704A (en) Application of high-melt-strength PVC (polyvinyl chloride) foaming regulator in foaming plate
CN110885521A (en) Odorless embossed furniture board with thickness of 16mm-18mm
CN107189259A (en) A kind of high flame retardant polyvinyl chloride foamed board
CN103030869A (en) Polyethylene/polybutylece terephthalate (PBT) coated coconut shell powder particle blending foam material and preparation method thereof
CN110951193A (en) Low-density UV special plate and preparation method thereof
JPS6220220B2 (en)
CN103030868A (en) Polyethylene/ethylene propylene diene monomer (EPDM) coated coconut shell powder particle blending foam material and preparation method thereof
CN111234408A (en) High-brightness paint-free plate with thickness of 15-18mm
CN111196887A (en) AE multi-aerogel rubber-plastic blended closed-cell secondary die-pressing foaming material and preparation method thereof
CN113462044B (en) Composite embossed flexible foam material and preparation method thereof
KR20090111199A (en) Apparatus for producing polyolefine resin sheets and method thereof
CN103059398A (en) Polyethylene/SBR (Styrene Butadiene Rubber) coating coconut husk powder particle blending foaming material and preparation method thereof
KR102504154B1 (en) Insulating panel and manufacturing method of the same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination