CN104592689B - PVC profile for thermal-insulation corrosion-resistant goods shelf baffle and processing process thereof - Google Patents
PVC profile for thermal-insulation corrosion-resistant goods shelf baffle and processing process thereof Download PDFInfo
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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
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- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- 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
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- C—CHEMISTRY; METALLURGY
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Abstract
The invention discloses a PVC profile for a thermal-insulation corrosion-resistant goods shelf baffle. The PVC profile comprises a PVC substrate, a processing enhancer and a PVC modifier, wherein the content of the PVC substrate is 65-80%, the content of the processing enhancer is 6-10% and the content of the PVC modifier is 10-35%; the PVC substrate comprises the following components in parts by weight: 95 parts of PVC, 3 parts of an antioxidant, 16-21 parts of a flame retardant, 3 parts of a thermal stabilizer, 6-8 parts of epoxidized soybean oil and 0.5 part of stearic acid; and the processing enhancer comprises the following components in percentage by mass: 18%-24% of organosilicone-modified epoxy resin, 12%-14% of rutile titanium dioxide, 2%-4% of an additive, 55%-60% of functional filler and 3%-4% of propylene glycol. By the PVC profile for a thermal-insulation corrosion-resistant goods shelf baffle which is designed by the invention, the toughness and strength of the surface of the PVC profile can be effectively enhanced and the heat resistance and corrosion resistance of the PVC profile are greatly increased.
Description
Technical field
The invention belongs to the manufacture field of pvc section bar, particularly a kind of heat-insulated corrosion resistant type rack baffle with pvc section bar and
Its handling process.
Background technology
With scientific and technological continuous progress, appearance of city is maked rapid progress, and urban construction is more and more faster, the application of pvc profile shapes
Also just more and more extensive.But, current pvc profile shapes quality weight, low intensity, tolerance to cold are poor, and easy fragmentation corrosion；Should
With being most widely that paint coatings are anti-corrosion, compared with additive method, it to be that most effective, most economical, application is the most general that paint coatings are anti-corrosion
Time method.
First, its wide adaptability, is not constrained by device area, shape, and recoating and rehabilitation expense are low；Secondly, coating is prevented
Corruption can be used in combination with other anti-corrosion measures, just can obtain more perfect corrosion protection system；But, existing coating quality is poor, coating
Tedious process, high cost, pollute the environment during preparation, and paint coatings corrosion resistance is not, temperature influence is big, adhesive force,
Weatherability, permeability resistance are poor.
Insulating moulding coating can be divided into isolation-type, reflection-type and 3 kinds of radial pattern, wherein isolation-type insulating moulding coating according to insulating mechanism
Belong to thick matter traditional coating, its insulating mechanism is impedance heat transfer, technology relative maturity；Radiation Heat-insulated Paint is by spoke
The sunshine light heat that the form penetrated absorbs building is transmitted in the air with certain wavelength and reaches heat insulation and heat control；Reflection-type
The insulating mechanism of insulating moulding coating is reflected sunlight；In recent years, people are can effectively to stop conduction of heat, reduce surface and apply
Layer and the temperature of internal medium, but it haves the shortcomings that rough surface, dicoration are poor, reduces the stain resistance of film simultaneously.
Content of the invention
The technical problem to be solved is, the shortcoming overcoming prior art, provides a kind of heat-insulated corrosion resistant type goods
Frame baffle plate pvc section bar and its handling process, can effectively enhance toughness and the intensity of pvc Surface of profile, substantially increase
The heat-resisting and resistance to corrosion of pvc section bar.
In order to solve above technical problem, the present invention provides a kind of heat-insulated corrosion resistant type rack baffle pvc section bar, including
Pvc base material, processing reinforcing agent and pvc transformation of the way agent, wherein, the content of pvc base material is 65-80%, and the content of processing reinforcing agent is 6-
The content that 10%, pvc change a social system agent is 10-35%；
The each component of pvc base material is calculated by weight as: 95 parts of polrvinyl chloride, 3 parts of antioxidant, fire retardant 16-21 part, and heat is steady
Determine 3 parts of agent, epoxy soybean oil 6-8 part, 0.5 part of stearic acid；
Processing reinforcing agent is pressed mass parts percentage ratio and is calculated and contains organic silicon modified epoxy resin: 18%-24%, rutile-type dioxy
Change titanium: 12%-14%, auxiliary agent: 2%-4%, functional stuffing: 55%-60%, propylene glycol: 3%-4%；Wherein:
Epoxy resin has excellent adhesive force and low-shrinkage；There is preferable corrosion resistant to water, intermediate acid, alkali, salt and solvent
Corrosion and permeability resistance；It is respectively provided with good filming performance under various execution conditions；Can be with various resins, filler and auxiliary agent
Well miscible is configured to a series of conventional anticorrosive paints；Modifying epoxy resin by organosilicon is used in the present invention, organic
Silicon modified epoxy resin has the advantages that cohesive force is strong, chemical reagent-resistant performance is good, and modified epoxy can enhance coating and resist
The ability that water, ion penetrate into, improves the adhesion between coating and metallic matrix, thus improving the protective capacities of coating, additionally,
The intensity of coating can also be increased, improve adhesive force, improve rheological property；
Functional stuffing includes: nanometer Montmorillonitum class silicate and isolation-type functional stuffing, and both mass ratioes are 1:
1.5；
Isolation-type functional stuffing includes following components according to the mass fraction:
Hollow glass micropearl: 2-6 part, graphite: 10-15 part, black silicon carbide: 20-35 part, fine-grained alumina: 25-30 part,
Molybdenum bisuphide: 5-10 part, zinc oxide: 1-5 part, Pulvis Talci: 3-6 part, adjuvant 2-4 part；
Auxiliary agent is to include following components according to the mass fraction:
Dispersant: 10-15 part, wetting agent: 3-6 part, firming agent 20-50 part, delustering agent: 3-5 part, coalescents: 6-9
Part, thickening agent: 6-9 part, hydroxyethyl cellulose: 6-9 part, ph regulator: 2-4 part, defoamer 2-4 part；
Wherein, thickening agent is one of dioctyl phthalate, tricresyl phosphate or dibutyl phthalate；
Dispersant is one of sodium tripolyphosphate, sodium tetrapolyphosphate or sodium hexameta phosphate；Coalescents are ethylene glycol, ethylene glycol
One of butyl ether, ethylene glycol or propylene glycol；Defoamer is one of organosilicon, polyethers, organosiloxane or amide or several
Kind；
The pvc transformation of the way each component of agent is calculated by weight as: ethylene-vinyl acetate copolymer 3-6 part, phthalic acid two
Pungent fat 3.5-5.5 part, 4 parts of cyclohexanone, 5 parts of dimethylbenzene.
The invention has the beneficial effects as follows: the present invention passes through to improve the formula of general pvc section bar, introduces phthalic acid two pungent
Fat, enhances the resistance to tortuosity of pvc profile shapes；Using heat stabilizer and antioxidant, improve pvc section bar to a great extent
Performance, strengthens bonding affinity, is combined firmly；
Hollow glass micropearl is the inorganic material of a kind of excellent chemical proof and ageing resistance, and thickness is generally 2-5
μm, platelet length is 100-300 μm.The piece footpath of glass flake is bigger in length and breadth, and the anti-permeability performance of coating is stronger；Hollow glass
Microballon can be divided into many little spaces coating, so that the micro-crack in coating, microbubble is mutually split, inhibit capillary tube simultaneously
The infiltration of effect；This adhesive force greatly increasing coating and shock resistance are it is suppressed that coating cracking, the defect such as peel off.
Further, aforesaid heat-insulated corrosion resistant type rack baffle pvc section bar, fire retardant is antimony oxide or phosphoric acid
Three esters.
The present invention have also been devised a kind of handling process of heat-insulated corrosion resistant type rack baffle pvc section bar, has including following
Body step:
A: processing reinforcing agent is allocated according to mass ratio 1:2.5 with water, stirs 20min, mixing speed is 135-140
r/min；
B: add pvc transformation of the way agent in above-mentioned mixed liquor, the mass ratio that mixed liquor and pvc change a social system agent is 2.5:1, stirring
15-20min, mixing speed is 90-100 r/min；
C: after sand paper trickle polishing pvc substrate surface, it is carried out coat for the first time using the mixture in step b,
When its substrate surface moisture content is less than or equal to 8%, carries out second coating, that is, complete heat-insulated corrosion resistant type rack baffle pvc
The process of section bar.
The aforesaid heat-insulated corrosion resistant type rack baffle handling process of pvc section bar, during coating, coated tool and pvc base
Material keeps 25-30 degree gradient, firmly uniformly.
The aforesaid heat-insulated corrosion resistant type rack baffle handling process of pvc section bar
, the coating thickness in coating processes is 0.4-0.6mm twice.
Specific embodiment
Embodiment 1
A kind of heat-insulated corrosion resistant type rack baffle pvc section bar that the present embodiment provides, strengthens including pvc base material, processing
Agent and pvc transformation of the way agent, wherein, the content of pvc base material is 68%, and the content of processing reinforcing agent is that the content that 6%, pvc changes a social system agent is
28%；
The each component of pvc base material is calculated by weight as: 95 parts of polrvinyl chloride, 3 parts of antioxidant, and 18 parts of fire retardant is thermally-stabilised
3 parts of agent, 6 parts of epoxy soybean oil, 0.5 part of stearic acid；
Processing reinforcing agent is pressed mass parts percentage ratio and is calculated and contains organic silicon modified epoxy resin: 18%-24%, rutile-type dioxy
Change titanium: 12%-14%, auxiliary agent: 2%-4%, functional stuffing: 55%-60%, propylene glycol: 3%-4%；Wherein:
Functional stuffing includes: nanometer Montmorillonitum class silicate and isolation-type functional stuffing, and both mass ratioes are 1:
1.5；
Isolation-type functional stuffing includes following components according to the mass fraction:
Hollow glass micropearl: 4 parts, graphite: 12 parts, black silicon carbide: 21 parts, fine-grained alumina: 28 parts, molybdenum bisuphide: 8
Part, zinc oxide: 4 parts, Pulvis Talci: 4 parts, 2 parts of adjuvant；
Auxiliary agent is to include following components according to the mass fraction:
Dispersant: 12 parts, wetting agent: 4 parts, 28 parts of firming agent, delustering agent: 4 parts, coalescents: 7 parts, thickening agent: 7 parts,
Hydroxyethyl cellulose: 7 parts, ph regulator: 2 parts, 3 parts of defoamer；
Wherein, thickening agent is one of dioctyl phthalate, tricresyl phosphate or dibutyl phthalate；
Dispersant is one of sodium tripolyphosphate, sodium tetrapolyphosphate or sodium hexameta phosphate；Coalescents are ethylene glycol, ethylene glycol
One of butyl ether, ethylene glycol or propylene glycol；Defoamer is one of organosilicon, polyethers, organosiloxane or amide or several
Kind；
The pvc transformation of the way each component of agent is calculated by weight as: ethylene-vinyl acetate copolymer 3-6 part, phthalic acid two
3.5 parts of pungent fat, 4 parts of cyclohexanone, 5 parts of dimethylbenzene；
Aforesaid heat-insulated corrosion resistant type rack baffle pvc section bar, fire retardant is antimony oxide or phosphotriester；
The present embodiment additionally provides a kind of handling process of heat-insulated corrosion resistant type rack baffle pvc section bar, including as follows
Concrete steps:
A: processing reinforcing agent is allocated according to mass ratio 1:2.5 with water, stirs 20min, mixing speed is 135r/
min；
B: add pvc transformation of the way agent in above-mentioned mixed liquor, the mass ratio that mixed liquor and pvc change a social system agent is 2.5:1, stirring
15min, mixing speed is 100r/min；
C: after sand paper trickle polishing pvc substrate surface, it is carried out coat for the first time using the mixture in step b,
When its substrate surface moisture content is less than or equal to 8%, carries out second coating, that is, complete heat-insulated corrosion resistant type rack baffle pvc
The process of section bar；
During coating, coated tool keeps 25 degree of gradients with pvc base material, firmly uniformly；
Coating thickness in coating processes is 0.4mm twice.
Embodiment 1
A kind of heat-insulated corrosion resistant type rack baffle pvc section bar that the present embodiment provides, strengthens including pvc base material, processing
Agent and pvc transformation of the way agent, wherein, the content of pvc base material is 65-80%, and the content of processing reinforcing agent is 6-10%, and pvc changes a social system agent
Content is 10-35%；
The each component of pvc base material is calculated by weight as: 95 parts of polrvinyl chloride, 3 parts of antioxidant, and 18 parts of fire retardant is thermally-stabilised
3 parts of agent, 7 parts of epoxy soybean oil, 0.5 part of stearic acid；
Processing reinforcing agent is pressed mass parts percentage ratio and is calculated and contains organic silicon modified epoxy resin: 18%-24%, rutile-type dioxy
Change titanium: 12%-14%, auxiliary agent: 2%-4%, functional stuffing: 55%-60%, propylene glycol: 3%-4%；Wherein:
Functional stuffing includes: nanometer Montmorillonitum class silicate and isolation-type functional stuffing, and both mass ratioes are 1:
1.5；
Isolation-type functional stuffing includes following components according to the mass fraction:
Hollow glass micropearl: 5 parts, graphite: 11 parts, black silicon carbide: 32 parts, fine-grained alumina: 26 parts, molybdenum bisuphide: 8
Part, zinc oxide: 4 parts, Pulvis Talci: 4 parts, 3 parts of adjuvant；
Auxiliary agent is to include following components according to the mass fraction:
Dispersant: 11 parts, wetting agent: 4 parts, 36 parts of firming agent, delustering agent: 4 parts, coalescents: 8 parts, thickening agent: 8 parts,
Hydroxyethyl cellulose: 7 parts, ph regulator: 3 parts, 3 parts of defoamer；
Wherein, thickening agent is one of dioctyl phthalate, tricresyl phosphate or dibutyl phthalate；
Dispersant is one of sodium tripolyphosphate, sodium tetrapolyphosphate or sodium hexameta phosphate；Coalescents are ethylene glycol, ethylene glycol
One of butyl ether, ethylene glycol or propylene glycol；Defoamer is one of organosilicon, polyethers, organosiloxane or amide or several
Kind；
The pvc transformation of the way each component of agent is calculated by weight as: 5 parts of ethylene-vinyl acetate copolymer, phthalic acid two is pungent
5.5 parts of fat, 4 parts of cyclohexanone, 5 parts of dimethylbenzene；
Aforesaid heat-insulated corrosion resistant type rack baffle pvc section bar, fire retardant is antimony oxide or phosphotriester.
The present embodiment additionally provides a kind of handling process of heat-insulated corrosion resistant type rack baffle pvc section bar, including as follows
Concrete steps:
A: processing reinforcing agent is allocated according to mass ratio 1:2.5 with water, stirs 20min, mixing speed is 136r/
min；
B: add pvc transformation of the way agent in above-mentioned mixed liquor, the mass ratio that mixed liquor and pvc change a social system agent is 2.5:1, stirring
18min, mixing speed is 95r/min；
C: after sand paper trickle polishing pvc substrate surface, it is carried out coat for the first time using the mixture in step b,
When its substrate surface moisture content is less than or equal to 8%, carries out second coating, that is, complete heat-insulated corrosion resistant type rack baffle pvc
The process of section bar；
During coating, coated tool keeps 28 degree of gradients with pvc base material, firmly uniformly；
Coating thickness in coating processes is 0.5mm twice.
Above example technological thought only to illustrate the invention is it is impossible to limit protection scope of the present invention with this, every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme, each fall within the scope of the present invention
Within.
Claims (5)
1. a kind of heat-insulated corrosion resistant type rack baffle with pvc section bar it is characterised in that include pvc base material, processing reinforcing agent and
Pvc changes a social system agent, and wherein, by mass percentage: the content of described pvc base material is 65-80%, the content of processing reinforcing agent is 6-
The content that 10%, pvc change a social system agent is 10-35%, and each component percentages are 100%；
The each component of described pvc base material is calculated by weight as: 95 parts of polrvinyl chloride, 3 parts of antioxidant, fire retardant 16-21 part, heat is steady
Determine 3 parts of agent, epoxy soybean oil 6-8 part, 0.5 part of stearic acid；
Described processing reinforcing agent is pressed mass parts percentage ratio and is calculated and contains organic silicon modified epoxy resin: 18%-24%, rutile-type two
Titanium oxide: 12%-14%, auxiliary agent: 2%-4%, functional stuffing: 55%-60%, propylene glycol: 3%-4%；Wherein:
Described functional stuffing includes: nanometer Montmorillonitum class silicate and isolation-type functional stuffing, and both mass ratioes are 1:
1.5；Described isolation-type functional stuffing includes following components according to the mass fraction:
Hollow glass micropearl: 2-6 part, graphite: 10-15 part, black silicon carbide: 20-35 part, fine-grained alumina: 25-30 part, two sulfur
Change molybdenum: 5-10 part, zinc oxide: 1-5 part, Pulvis Talci: 3-6 part, adjuvant 2-4 part；
Described auxiliary agent is to include following components according to the mass fraction:
Dispersant: 10-15 part, wetting agent: 3-6 part, firming agent 20-50 part, delustering agent: 3-5 part, coalescents: 6-9 part, increase
Thick dose: 6-9 part, hydroxyethyl cellulose: 6-9 part, ph regulator: 2-4 part, defoamer 2-4 part；
Wherein, described thickening agent is one of dioctyl phthalate, tricresyl phosphate or dibutyl phthalate；
Described dispersant is one of sodium tripolyphosphate, sodium tetrapolyphosphate or sodium hexameta phosphate；Described coalescents are ethylene glycol ethyl ethers
One of ether, butyl glycol ether, ethylene glycol or propylene glycol；Described defoamer is in polyethers, organosiloxane or amide
Plant or several；
The described pvc transformation of the way each component of agent is calculated by weight as: ethylene-vinyl acetate copolymer 3-6 part, phthalic acid two
Monooctyl ester 3.5-5.5 part, 4 parts of cyclohexanone, 5 parts of dimethylbenzene.
2. heat-insulated corrosion resistant type rack baffle according to claim 1 with pvc section bar it is characterised in that described fire retardant
For antimony oxide or phosphotriester.
3. the heat-insulated corrosion resistant type rack baffle according to claim 1 and 2 handling process of pvc section bar, its feature exists
In comprising the following specific steps that:
A: processing reinforcing agent is allocated according to mass ratio 1:2.5 with water, stirs 20min, mixing speed is 135-140r/
min；
B: add pvc transformation of the way agent in above-mentioned mixed liquor, the mass ratio that mixed liquor and pvc change a social system agent is 2.5:1, stirs 15-
20min, mixing speed is 90-100r/min；
C: after sand paper trickle polishing pvc substrate surface, it is carried out coat for the first time using the mixture in step b, when it
When substrate surface moisture content is less than or equal to 8%, carries out second coating, that is, complete heat-insulated corrosion resistant type rack baffle pvc type
The process of material.
4. heat-insulated corrosion resistant type rack baffle according to claim 3 with the handling process of pvc section bar it is characterised in that
During coating, coated tool keeps 25-30 degree gradient with pvc base material, firmly uniformly.
5. heat-insulated corrosion resistant type rack baffle according to claim 3 with the handling process of pvc section bar it is characterised in that
Coating thickness in coating processes is 0.4-0.6mm twice.
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| CN106380763B (en) * | 2016-07-20 | 2018-09-14 | 杭州师范大学 | A kind of organic-silicon-modified PVC composite materials |
| CN106883531A (en) * | 2017-02-23 | 2017-06-23 | 苏州纳贝通环境科技有限公司 | A kind of impact resistance heat-resistant PVC tubing and preparation method thereof |
Citations (2)
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| CN101358047A (en) * | 2008-09-22 | 2009-02-04 | 曾庆衿 | Nano modified high-efficient heat insulation coatings |
| CN102851994A (en) * | 2011-06-27 | 2013-01-02 | 昆山阿基里斯人造皮有限公司 | Method for manufacturing easy-to-clean artificial leather |
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| JP2529568B2 (en) * | 1987-04-21 | 1996-08-28 | 日本ゼオン株式会社 | Resin molded product |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101358047A (en) * | 2008-09-22 | 2009-02-04 | 曾庆衿 | Nano modified high-efficient heat insulation coatings |
| CN102851994A (en) * | 2011-06-27 | 2013-01-02 | 昆山阿基里斯人造皮有限公司 | Method for manufacturing easy-to-clean artificial leather |
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