CN106189217A - A kind of polyamide material for preparing cold-resistant heat insulating strip and preparation method thereof - Google Patents
A kind of polyamide material for preparing cold-resistant heat insulating strip and preparation method thereof Download PDFInfo
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- CN106189217A CN106189217A CN201610563426.7A CN201610563426A CN106189217A CN 106189217 A CN106189217 A CN 106189217A CN 201610563426 A CN201610563426 A CN 201610563426A CN 106189217 A CN106189217 A CN 106189217A
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a kind of polyamide material for preparing cold-resistant heat insulating strip and preparation method thereof, described polyamide material is made up of the raw material including following percentage by weight: polyamide 30 70%；Glass fibre 15 35%；Toughener 3 40%；Antioxidant 0.2 5%；Viscosity improving agent 0.5 5%；Heat stabilizer 0.1 1%.Polyamide material for preparing cold-resistant heat insulating strip of the present invention can provide low-temperature flexibility good, the material that linear expansion coefficient system stable, mechanical can be high, produces under cold conditions such that it is able to meet and uses polyamide thermal barrier strip.
Description
Technical field
The invention belongs to building trade Material Field, especially relate to a kind of polyamide for preparing cold-resistant heat insulating strip
Material and preparation method thereof.
Background technology
Cut is the improvement released to improve door and window heat-insulating property on the basis of aluminum window
Type, is divided into inside and outside two parts to intercept the conduction of heat of aluminum aluminium alloy extrusions by strengthening nylon parting bead.At present, heat insulating strip industry
I type heat insulating strip national standard Specifeca tion speeification be: non-notch impact >=35KJ/m2, elastic modelling quantity >=4500MPa, room temperature
Laterally tensile characteristics value >=70MPa, glass fiber content is 25% ± 2%.
Owing to for building doors and windows aspect, relating to different regions and using in varying environment, this just requires that material is to temperature
Degree sensitive question, in cold place, owing to indoor and outdoor surroundings temperature contrast is very big, strengthens material and the quality of nylon parting bead
Directly influence the durability of cut.In installation process, heat-insulating bridge-cut-off aluminium alloy extrusions and heat insulation connection
Bar relative localization is poor, and penetrating of heat insulating strip is relatively difficult, it usually needs use machine, often occurs fractureing and damaged problem,
Impact is normal to be used, and in use, heat insulating strip leaves space in the cavity of aluminium alloy, the bigger situation of variations in temperature it
Under, there are different contractions, this phenomenon to become apparent from, accordingly, it would be desirable to the heat insulating strip to existing heat-insulating bridge-cut-off aluminum alloy doors and windows
Material improve.
It is therefore, the highest to performance requirements such as the mechanical property of extrusion grade reinforced PA66, cold tolerance, bend resistances so that
There is the technical barrier of several respects in extrusion grade glass fiber enhanced nylon 66: (1), at cold zone, is not destroyed because of the temperature difference, low temperature
Toughness to be got well, and (2) linear expansion coefficient is stable.
Summary of the invention
In view of this, it is contemplated that propose a kind of polyamide material for preparing cold-resistant heat insulating strip and preparation side thereof
Method, to overcome the deficiencies in the prior art, can meet and use at low ambient temperatures and be not damaged.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of polyamide material for preparing cold-resistant heat insulating strip, is made up of the raw material including following percentage by weight:
Polyamide 30-70%；
Glass fibre 15-35%；
Toughener 3-40%；
Antioxidant 0.2-5%；
Viscosity improving agent 0.5-5%；
Heat stabilizer 0.1-1%.
Further, described polyamide is the nylon 66 resin (PA66) of high fluidity, described nylon 66 resin
Relative viscosity is 2.4-3.5.
Further, described glass fibre is alkali-free glass fibre.
Further, described glass fibre is long glass fibres or short glass fiber.
Further, a diameter of 11-13 micron of described glass fibre.
Further, described toughener is ethylene propylene diene rubber (EPDM), ethylene-octene copolymer (POE) and maleic acid
The graft copolymer of acid anhydride.
Further, described viscosity improving agent be epoxide equivalent be 2000-4000g/eq epoxy resin in a kind of or
Two or more mixture.
Further, one or more kinds of during described antioxidant is phosphorous acid esters, Hinered phenols antioxidant
Mixture.
Further, described heat stabilizer is the one or more kinds of mixing of mantoquita, polyhydroxy-alcohol, organotin etc.
Thing.
Another object of the present invention is to propose the preparation method of a kind of polyamide material for preparing cold-resistant heat insulating strip,
Comprise the steps:
(1) polyamide, toughener, antioxidant, viscosity improving agent, heat stabilizer are added high mixer and be mixed to get pre-
Batch mixing；
(2) premix material is added by twin-screw extrusion owner's spout, by glass fibre from the side of double screw extruder
Spout adds, and carries out melt extruding, cooling granulation, obtains polyamide material；
Wherein, district's temperature 210 DEG C-230 DEG C of double screw extruder in step (2), two district's temperature 230-240 DEG C, three
District's temperature 260-280 DEG C, four district's temperature 260-280 DEG C, five district's temperature 250-270 DEG C, six district's temperature 250-270 DEG C, seven district's temperature
Spend 240-230 DEG C, eight district's temperature 230-250 DEG C, nine district's temperature 240-250 DEG C；Engine speed 350-450 rev/min.
Relative to prior art, the polyamide material for preparing cold-resistant heat insulating strip of the present invention can provide low temperature
Good toughness, linear expansion coefficient system stable, mechanical can high material, such that it is able to meet produce under cold conditions with use poly-
Amide heat insulating strip.
Detailed description of the invention
Unless otherwise indicated, term used herein is respectively provided with the implication that those skilled in the art's routine understands, in order to
Readily appreciate the present invention, terms more used herein have been carried out following definitions.
All of Digital ID, such as pH, temperature, time, concentration, including scope, be all approximation.It is to be understood that, although
Term " about " is all added before all of Digital ID of the clearest and the most definite narration.Simultaneously it will also be understood that, although the clearest and the most definite
Narration, reagent described herein is only example, and its equivalent is known in the art.
The present invention is described in detail below in conjunction with embodiment.
Embodiment 1
A kind of polyamide material for preparing cold-resistant heat insulating strip, is made up of the raw material including following percentage by weight:
PA66 68%；Glass fibre 25%；EPDM rubber KT-7 3%；Antioxidant 1,098 0.2%；Copper iodine mixture 0.8%；Viscosity
Improving agent YD-019 1.5%.
The preparation method of the above-mentioned polyamide material for preparing cold-resistant heat insulating strip, comprises the steps:
(1) PA66, EPDM rubber KT-7, antioxidant 1098, viscosity improving agent YD-019, copper iodine mixture are added height and mix
Machine is mixed to get premix material；
(2) premix material is added by twin-screw extrusion owner's spout, by glass fibre from the side of double screw extruder
Spout adds, and carries out melt extruding, cooling granulation, obtains polyamide material；
Wherein, district's temperature 210 DEG C-230 DEG C of double screw extruder in step (2), two district's temperature 230-240 DEG C, three
District's temperature 260-280 DEG C, four district's temperature 260-280 DEG C, five district's temperature 250-270 DEG C, six district's temperature 250-270 DEG C, seven district's temperature
Spend 240-230 DEG C, eight district's temperature 230-250 DEG C, nine district's temperature 240-250 DEG C；Engine speed 350-450 rev/min.
Embodiment 2
A kind of polyamide material for preparing cold-resistant heat insulating strip, is made up of the raw material including following percentage by weight:
PA66 66.8%；Glass fibre 15%；POE maleic anhydride grafts 6%；Antioxidant 10981%；Copper iodine mixture 0.2%；
Viscosity improving agent YD-019 4%.
The preparation method of the above-mentioned polyamide material for preparing cold-resistant heat insulating strip, comprises the steps:
(1) PA66, POE maleic anhydride grafts, antioxidant 1098, viscosity improving agent YD-019, copper iodine mixture are added
Enter high mixer and be mixed to get premix material；
(2) premix material is added by twin-screw extrusion owner's spout, by glass fibre from the side of double screw extruder
Spout adds, and carries out melt extruding, cooling granulation, obtains polyamide material；
Wherein, district's temperature 210 DEG C-230 DEG C of double screw extruder in step (2), two district's temperature 230-240 DEG C, three
District's temperature 260-280 DEG C, four district's temperature 260-280 DEG C, five district's temperature 250-270 DEG C, six district's temperature 250-270 DEG C, seven district's temperature
Spend 240-230 DEG C, eight district's temperature 230-250 DEG C, nine district's temperature 240-250 DEG C；Engine speed 350-450 rev/min.
Embodiment 3
A kind of polyamide material for preparing cold-resistant heat insulating strip, is made up of the raw material including following percentage by weight:
PA66 64.8%；Glass fibre 20%；EPDM rubber KT-7 8%；Antioxidant 1,098 0.6%；Copper iodine mixture 0.5%；Glutinous
Degree improving agent YD-019 2.5%.
The preparation method of the above-mentioned polyamide material for preparing cold-resistant heat insulating strip, comprises the steps:
(1) PA66, EPDM rubber KT-7, antioxidant 1098, viscosity improving agent YD-019, copper iodine mixture are added height and mix
Machine is mixed to get premix material；
(2) premix material is added by twin-screw extrusion owner's spout, by glass fibre from the side of double screw extruder
Spout adds, and carries out melt extruding, cooling granulation, obtains polyamide material；
Wherein, district's temperature 210 DEG C-230 DEG C of double screw extruder in step (2), two district's temperature 230-240 DEG C, three
District's temperature 260-280 DEG C, four district's temperature 260-280 DEG C, five district's temperature 250-270 DEG C, six district's temperature 250-270 DEG C, seven district's temperature
Spend 240-230 DEG C, eight district's temperature 230-250 DEG C, nine district's temperature 240-250 DEG C；Engine speed 350-450 rev/min.
Embodiment 4
A kind of polyamide material for preparing cold-resistant heat insulating strip, is made up of the raw material including following percentage by weight:
PA66 56%；Glass fibre 30%；EPDM rubber KT-7 11%；Antioxidant 1,098 3%；Copper iodine mixture 1%；Viscosity changes
Kind agent YD-019 1%.
The preparation method of the above-mentioned polyamide material for preparing cold-resistant heat insulating strip, comprises the steps:
(1) PA66, EPDM rubber KT-7, antioxidant 1098, viscosity improving agent YD-019, copper iodine mixture are added height and mix
Machine is mixed to get premix material；
(2) premix material is added by twin-screw extrusion owner's spout, by glass fibre from the side of double screw extruder
Spout adds, and carries out melt extruding, cooling granulation, obtains polyamide material；
Wherein, district's temperature 210 DEG C-230 DEG C of double screw extruder in step (2), two district's temperature 230-240 DEG C, three
District's temperature 260-280 DEG C, four district's temperature 260-280 DEG C, five district's temperature 250-270 DEG C, six district's temperature 250-270 DEG C, seven district's temperature
Spend 240-230 DEG C, eight district's temperature 230-250 DEG C, nine district's temperature 240-250 DEG C；Engine speed 350-450 rev/min.
Embodiment 5
A kind of polyamide material for preparing cold-resistant heat insulating strip, is made up of the raw material including following percentage by weight:
PA66 36.8%；Glass fibre 35%；EPDM rubber KT-7 25%；Antioxidant 1,098 1.5%；Copper iodine mixture 0.7%；
Viscosity improving agent YD-019 0.5%.
The preparation method of the above-mentioned polyamide material for preparing cold-resistant heat insulating strip, comprises the steps:
(1) PA66, EPDM rubber KT-7, antioxidant 1098, viscosity improving agent YD-019, copper iodine mixture are added height and mix
Machine is mixed to get premix material；
(2) premix material is added by twin-screw extrusion owner's spout, by glass fibre from the side of double screw extruder
Spout adds, and carries out melt extruding, cooling granulation, obtains polyamide material；
Wherein, district's temperature 210 DEG C-230 DEG C of double screw extruder in step (2), two district's temperature 230-240 DEG C, three
District's temperature 260-280 DEG C, four district's temperature 260-280 DEG C, five district's temperature 250-270 DEG C, six district's temperature 250-270 DEG C, seven district's temperature
Spend 240-230 DEG C, eight district's temperature 230-250 DEG C, nine district's temperature 240-250 DEG C；Engine speed 350-450 rev/min.
Embodiment 6
A kind of polyamide material for preparing cold-resistant heat insulating strip, is made up of the raw material including following percentage by weight:
PA66 52%；Glass fibre 12%；POE maleic anhydride grafts 20%；Antioxidant 10980.3%；Organic tin compound
0.4%；Viscosity improving agent YD-019 5%.
The preparation method of the above-mentioned polyamide material for preparing cold-resistant heat insulating strip, comprises the steps:
(1) by PA66, POE maleic anhydride grafts, antioxidant 1098, viscosity improving agent YD-019, organic tin chemical combination
Thing adds high mixer and is mixed to get premix material；
(2) premix material is added by twin-screw extrusion owner's spout, by glass fibre from the side of double screw extruder
Spout adds, and carries out melt extruding, cooling granulation, obtains polyamide material；
Wherein, district's temperature 210 DEG C-230 DEG C of double screw extruder in step (2), two district's temperature 230-240 DEG C, three
District's temperature 260-280 DEG C, four district's temperature 260-280 DEG C, five district's temperature 250-270 DEG C, six district's temperature 250-270 DEG C, seven district's temperature
Spend 240-230 DEG C, eight district's temperature 230-250 DEG C, nine district's temperature 240-250 DEG C；Engine speed 350-450 rev/min.
Comparative example
A kind of polyamide material for preparing heat insulating strip, is made up of the raw material including following percentage by weight: PA66
71.8%；Glass fibre 25%；Antioxidant 1,098 0.2%.
The preparation method of the above-mentioned polyamide material for preparing heat insulating strip, comprises the steps:
(1) PA66, antioxidant 1098 are added high mixer and is mixed to get premix material；
(2) premix material is added by twin-screw extrusion owner's spout, by glass fibre from the side of double screw extruder
Spout adds, and carries out melt extruding, cooling granulation, obtains polyamide material；
Wherein, district's temperature 210 DEG C-230 DEG C of double screw extruder in step (2), two district's temperature 230-240 DEG C, three
District's temperature 260-280 DEG C, four district's temperature 260-280 DEG C, five district's temperature 250-270 DEG C, six district's temperature 250-270 DEG C, seven district's temperature
Spend 240-230 DEG C, eight district's temperature 230-250 DEG C, nine district's temperature 240-250 DEG C；Engine speed 350-450 rev/min.
The polyamide material that embodiment 1-6 and comparative example obtain is made heat insulating strip, concrete preparation method following steps:
(1) by prepared polyamide material, 120 DEG C dry 3-4 hour standby；(2) polyamide material that will dry, adds extrusion to
In the single screw extrusion machine barrel of heat insulating strip, in temperature 250-300 DEG C, screw speed be 40-60 turn/min under the conditions of, squeeze
Go out molding standard I type 14.8mm heat insulating strip.
The heat insulating strip that embodiment 1-6 and the polyamide material prepared by comparative example use extruding-out process to prepare is carried out
Performance test, concrete test result see table:
Table 1 embodiment 1-6 and comparative example component formula and performance
From above-described embodiment and correlated performance thereof it can be seen that the extrusion of the heat insulating strip for cold environment of the present invention is poly-
It is good that amide material has low-temperature flexibility, the advantage that machinery system can be high, can produce outward appearance good, and low temperature impact strength is high
Polyamide thermal barrier strip.Meanwhile, the addition of viscosity improving agent so that the linear expansion coefficient of material is more stable, close to aluminium alloy door
The linear expansion coefficient of window, from without causing deformation, destruction, heat insulation, heat-insulating property decline, shadow because of shrinking at low temperatures
Ring and use.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. the polyamide material being used for preparing cold-resistant heat insulating strip, it is characterised in that: described polyamide material is as follows by including
The raw material of percentage by weight is made:
Polyamide material for preparing cold-resistant heat insulating strip the most according to claim 1, it is characterised in that: described polyamide
Resin is the nylon 66 resin of high fluidity, and described nylon 66 resin relative viscosity is 2.4-3.5.
Polyamide material for preparing cold-resistant heat insulating strip the most according to claim 1, it is characterised in that: described glass fibers
Dimension is alkali-free glass fibre.
Polyamide material for preparing cold-resistant heat insulating strip the most according to claim 3, it is characterised in that: described glass fibers
Dimension is long glass fibres or short glass fiber.
Polyamide material for preparing cold-resistant heat insulating strip the most according to claim 3, it is characterised in that: described glass fibers
A diameter of 11-13 micron of dimension.
Polyamide material for preparing cold-resistant heat insulating strip the most according to claim 1, it is characterised in that: described toughener
Graft copolymer for ethylene propylene diene rubber and/or ethylene-octene copolymer with maleic anhydride.
Polyamide material for preparing cold-resistant heat insulating strip the most according to claim 1, it is characterised in that: described viscosity changes
Kind agent be epoxide equivalent be 2000-4000g/eq epoxy resin in one or more kinds of mixture.
Polyamide material for preparing cold-resistant heat insulating strip the most according to claim 1, it is characterised in that: described antioxidant
For the one or more kinds of mixture in phosphorous acid esters, Hinered phenols antioxidant.
Polyamide material for preparing cold-resistant heat insulating strip the most according to claim 1, it is characterised in that: described thermally-stabilised
Agent is the one or more kinds of mixture of mantoquita, polyhydroxy-alcohol, organotin etc..
10. a preparation method for the polyamide material for preparing cold-resistant heat insulating strip according to any one of claim 1-9,
It is characterized in that: described preparation method comprises the steps:
(1) polyamide, toughener, antioxidant, viscosity improving agent, heat stabilizer are added high mixer and be mixed to get premix
Material；
(2) premix material is added by twin-screw extrusion owner's spout, by glass fibre from the side feeding of double screw extruder
Mouthful add, carry out melt extruding, cooling granulation, obtain polyamide material；
Wherein, district's temperature 210 DEG C-230 DEG C of double screw extruder, two district's temperature 230-240 DEG C, three district's temperature in step (2)
Spend 260-280 DEG C, four district's temperature 260-280 DEG C, five district's temperature 250-270 DEG C, six district's temperature 250-270 DEG C, seven district's temperature
240-230 DEG C, eight district's temperature 230-250 DEG C, nine district's temperature 240-250 DEG C；Engine speed 350-450 rev/min.
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| CN201610563426.7A CN106189217A (en) | 2016-07-18 | 2016-07-18 | A kind of polyamide material for preparing cold-resistant heat insulating strip and preparation method thereof |
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| CN201610563426.7A CN106189217A (en) | 2016-07-18 | 2016-07-18 | A kind of polyamide material for preparing cold-resistant heat insulating strip and preparation method thereof |
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| CN109370214A (en) * | 2018-10-25 | 2019-02-22 | 六安亚泰新材料有限公司 | A kind of preparation method of cold-resistant polyamide thermal barrier strip master batch |
| CN109486183A (en) * | 2018-10-25 | 2019-03-19 | 六安亚泰新材料有限公司 | A kind of high tenacity polyamide heat insulating strip master batch |
| CN110066508A (en) * | 2019-04-11 | 2019-07-30 | 苏州旭光聚合物有限公司 | Vehicle outer door knob fiberglass reinforced modification of nylon |
| CN110229515A (en) * | 2019-06-28 | 2019-09-13 | 江苏晋伦塑料科技有限公司 | A kind of high heat resistance daiamid composition and preparation method thereof |
| CN111057370A (en) * | 2019-12-19 | 2020-04-24 | 珠海市派特尔科技股份有限公司 | High-strength heat-insulation nylon material and preparation method and application thereof |
| CN112126225A (en) * | 2020-09-24 | 2020-12-25 | 安徽优泰新材料有限公司 | High-temperature-resistant and high-strength nylon heat insulation strip and manufacturing method thereof |
| CN112375375A (en) * | 2020-11-11 | 2021-02-19 | 安徽博泰装饰材料有限公司 | Corrosion-resistant heat insulation strip and preparation method thereof |
| CN113105740A (en) * | 2021-04-16 | 2021-07-13 | 福建融海新材料科技有限公司 | High-temperature-resistant heat-insulating strip material for doors and windows and preparation method thereof |
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| CN111057370A (en) * | 2019-12-19 | 2020-04-24 | 珠海市派特尔科技股份有限公司 | High-strength heat-insulation nylon material and preparation method and application thereof |
| CN112126225A (en) * | 2020-09-24 | 2020-12-25 | 安徽优泰新材料有限公司 | High-temperature-resistant and high-strength nylon heat insulation strip and manufacturing method thereof |
| CN112375375A (en) * | 2020-11-11 | 2021-02-19 | 安徽博泰装饰材料有限公司 | Corrosion-resistant heat insulation strip and preparation method thereof |
| CN113105740A (en) * | 2021-04-16 | 2021-07-13 | 福建融海新材料科技有限公司 | High-temperature-resistant heat-insulating strip material for doors and windows and preparation method thereof |
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