CN110437612A - Door and window heat insulating strip biology base nylon composite materials and preparation method thereof - Google Patents
Door and window heat insulating strip biology base nylon composite materials and preparation method thereof Download PDFInfo
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- CN110437612A CN110437612A CN201910806239.0A CN201910806239A CN110437612A CN 110437612 A CN110437612 A CN 110437612A CN 201910806239 A CN201910806239 A CN 201910806239A CN 110437612 A CN110437612 A CN 110437612A
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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
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention belongs to building material technical field more particularly to a kind of door and window heat insulating strip biology base nylon composite materials and preparation method thereof.Door and window heat insulating strip biology base nylon composite materials provided by the invention, including parts by weight of component: 35-75 parts of fatty polyamide；5-30 parts of semiaromatic polyamide composition；20-30 parts of glass fibre；0-1.5 parts of dissaving polymer；0-5 parts of hollow glass micropearl；0-10 parts of toughener；0.1-1 parts of antioxidant；0.1-1.5 parts of lubricant；0.5-3 parts of color masterbatch；0.05-1 parts of coupling agent；Fatty polyamide is selected from least one of PA56, PA6 and PA46, and semiaromatic polyamide composition is selected from least one of PA10T, PA6T and PA12T.Door and window heat insulating strip biology base nylon composite materials low water absorption, intensity is high, and dimensional stability is high, and the door and window heat insulating strip being prepared by it is not easy to generate deformation in use, with good leakproofness, solves the problems, such as existing heat insulating strip poor dimensional stability.
Description
Technical field
The invention belongs to building material technical field more particularly to a kind of door and window heat insulating strip biology base nylon composite materials
And preparation method thereof.
Background technique
Heat insulating strip plays mechanics transmitting as the connecting component in door-window section bar in aluminium alloy extrusions and steel profile door and window
Effect.Using the composite material of PA66 plus glass as the heat insulating strip of raw material, there is low heat-conductive characteristic, thermal coefficient is
The thermal coefficient of 0.3W/ (mK) and aluminium alloy extrusions is close, so plus heat insulating strip aluminum alloy doors and windows heated or cold
Under weather, aluminium alloy and heat insulating strip change in size are almost the same, heat insulating strip are pierced into aluminium alloy extrusions, the two is able to maintain always
Good associativity and leakproofness make it have good heat-insulated, sound insulation, energy conservation and dust-proof effect.Polyamide adds fine compound
Material has good processing fluidity, shape that can be different according to different die extrusion sections, and can be divided according to section
For different model, at present on the market based on the solid heat insulating strip of I type with section for 14.8mm, in addition also having large scale, (section is wide
Degree >=32mm) single-chamber or multi-cavity heat insulating strip.
Existing heat insulating strip is glass fiber reinforced PA66 composite material, material mechanical strength with higher, fatigue durability
And wear-resisting property.But existing glass fiber reinforced PA66 composite material also has biggish limitation, PA66 resin material is hygroscopic,
Material stiffness sharp fall after water suction, dimension stability is poor, is easy to produce deformation in use, thus reduce every
Leakproofness between hot item and aluminium alloy then makes the heat-insulated of profile, sound-insulating energy-saving and the decline of dust-proof etc. performance.This hair
Bright is exactly to solve the performance left after absorbing water existing for current heat insulating strip decline and design the problems such as poor dimensional stability
, while a kind of biology base environment-friendly materials being also provided.
Summary of the invention
The main purpose of the present invention is to provide a kind of door and window heat insulating strip biology base nylon composite materials, are used to prepare door
Window heat insulating strip, it is intended to solve the problems, such as existing heat insulating strip poor dimensional stability.
Another object of the present invention is to provide a kind of preparations of above-mentioned door and window heat insulating strip biology base nylon composite materials
Method, a further object are to provide a kind of door and window heat insulating strip.
For achieving the above object, The technical solution adopted by the invention is as follows:
A kind of door and window heat insulating strip biology base nylon composite materials, with door and window heat insulating strip biology base nylon composite wood
The total weight of material is 100 parts of meters, and the raw material of the door and window heat insulating strip biology base nylon composite materials includes following parts by weight group
Point:
Wherein, the fatty polyamide is selected from least one of PA56, PA6 and PA46, the semi-aromatic polyamides
Amine is selected from least one of PA10T, PA6T and PA12T.
Door and window heat insulating strip biology base nylon composite materials provided by the invention, including the rouge matched with specified weight part
Fat polyamide, semiaromatic polyamide composition, glass fibre, dissaving polymer, hollow glass micropearl, toughener, antioxidant, profit
Lubrication prescription, color masterbatch and coupling agent, wherein fatty polyamide is selected from least one of PA56, PA6 and PA46, semiaromatic adoption
Amide is selected from least one of PA10T, PA6T and PA12T, under the synergistic effect of above-mentioned each component, imparts door of the present invention
The characteristics of window heat insulating strip is with the low water suction of biology base nylon composite materials, high intensity, high-dimensional stability, the door being prepared by it
Window heat insulating strip is not easy to generate deformation in use, have good leakproofness so that the heat-insulated of profile, sound-insulating energy-saving and
The performances such as dust-proof are further promoted.
Correspondingly, a kind of preparation method of above-mentioned door and window heat insulating strip biology base nylon composite materials, comprising the following steps:
By the fatty polyamide, the semiaromatic polyamide composition, the coupling agent and the dissaving polymer into
The first mixing treatment of row obtains the first mixing；
By the toughener, the antioxidant, the lubricant, the color masterbatch, the hollow glass micropearl and described
One mixing carries out the second mixing treatment, obtains the second mixing；
The glass fibre is mixed with second mixing, then extrusion molding obtains the door and window heat insulating strip
With biology base nylon composite materials.
The preparation method of above-mentioned door and window heat insulating strip biology base nylon composite materials provided by the invention, including multistage are mixed
Material processing and extrusion molding, method is simple, quality controllable, is convenient for scale volume production, facilitates improving production efficiency.
A kind of door and window heat insulating strip, the material of the door and window heat insulating strip include that aforementioned door and window heat insulating strip biology base nylon is compound
Door and window heat insulating strip biology base nylon composite materials made from material or above-mentioned preparation method.
Door and window heat insulating strip provided by the invention, material include above-mentioned door and window heat insulating strip biology base nylon composite materials,
Have the characteristics that low water suction, high-intensitive and high-dimensional stability, is conducive to the quality for promoting door and window heat insulating strip.
Specific embodiment
In order to which technical problems, technical solutions and advantageous effects to be solved by the present invention are more clearly understood, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain
The present invention is not intended to limit the present invention.
The parts by weight of each component noted in the disclosure of the embodiment of the present invention not only may refer to the specific of each component
Weight percentage can also indicate the proportionate relationship of quality between each component, therefore, as long as illustrating according to the embodiment of the present invention
The content of book composition each component is scaled up or is reduced within specification of embodiment of the present invention scope of disclosure.Specifically
Ground, quality described in the specification of the embodiment of the present invention can be unit of weight well known to the chemical fields such as μ g, mg, g, kg.
In order to solve the problems, such as existing heat insulating strip poor dimensional stability, the embodiment of the invention provides technical sides in detail below
Case:
A kind of door and window heat insulating strip biology base nylon composite materials, with door and window heat insulating strip biology base nylon composite wood
The total weight of material is 100 parts of meters, and the raw material of the door and window heat insulating strip biology base nylon composite materials includes following parts by weight group
Point:
Wherein, the fatty polyamide is selected from least one of PA56, PA6 and PA46, the semi-aromatic polyamides
Amine is selected from least one of PA10T, PA6T and PA12T.
Door and window heat insulating strip biology base nylon composite materials provided in an embodiment of the present invention, including match with specified weight part
The fatty polyamide of ratio, glass fibre, dissaving polymer, hollow glass micropearl, toughener, resists semiaromatic polyamide composition
Oxygen agent, lubricant, color masterbatch and coupling agent, wherein fatty polyamide is selected from least one of PA56, PA6 and PA46, half virtue
Fragrant polyamide is selected from least one of PA10T, PA6T and PA12T, under the synergistic effect of above-mentioned each component, imparts this
The characteristics of low water suction of invention composite material, high intensity, high-dimensional stability, the door and window heat insulating strip being prepared by it is not easy
Generate deformation in use process, there is good leakproofness so that the heat-insulated of profile, sound-insulating energy-saving and the performances such as dust-proof obtain into
One step is promoted.
Specifically, the fatty polyamide is made of methylene and amide groups, there is good toughness.Of the invention real
It applies in example, the fatty polyamide is selected from least one of PA56, PA6 and PA46, and preferably PA56 and/or PA6 lead to
It crosses and acts synergistically with other components, so that the composite material of the embodiment of the present invention has good mobility, be conducive to be promoted compound
The processability of material, the heat insulating strip easy to process for preparing complicated shape.As an implementation, the aliphatic polyamides
Amine is PA56, has the mechanical property to compare favourably with PA66, has high mechanical property, processing performance, advantages of environment protection；
Another embodiment, the fatty polyamide is the mixture of PA56 and PA6, when PA6 and PA56 are used in compounding, material
Toughness is further promoted, and simultaneous processing performance also can further improve.In embodiments of the present invention, the fatty polyamide is adopted
It is the problem of with biology base nylon, there is reproducibility, overcome the unsustainable regeneration of raw material existing for existing petroleum-based products, green
Colour circle is protected, energy conservation.It further, is in terms of 100 parts by the composite material total weight, the fatty polyamide is 35-
75 parts, preferably 40-75 parts.In some specific embodiments, the fatty polyamide be 35,40,45,47,50,
53,55,56,60,62,65,66,69,70,72,75 parts by weight, fatty polyamide and other components within the scope of the parts by weight
Synergistic effect, so that the processing performance of the composite material of the embodiment of the present invention is best.
The semiaromatic polyamide composition refers in molecular weight chain not only a kind of nylon material containing phenyl ring but also containing methylene
Material the characteristics of with amorphous nylon and all aromatic nylon, has good mechanical property and heat resistance.In the present invention
In embodiment, the semiaromatic polyamide composition is selected from least one of PA10T, PA6T and PA12T, and preferably PA10T has
Excellent heat resistance, high intensity, can improve the rigidity, heat resistance and stability of material.The semiaromatic polyamide composition with
The fatty polyamide and the glass fibre are used in compounding, so that composite material has both the tough of fatty polyamide simultaneously
Property and semiaromatic polyamide composition rigidity, heat resistance, and in use have good dimensional stability.Further,
There are phenyl ring in semiaromatic polyamide composition can prevent hydrone from entering material due to the steric effect of phenyl ring；Meanwhile molecule
Aliphatic molecules segment in structure also containing ten carbon atoms, can be effectively reduced the water absorbing properties of composite material, to composite wood
The low water absorbable and dimensional stability of material have greatly improved.Semiaromatic polyamide composition is compounded with fatty polyamide, can be raised
It is long keep away it is short, impart the embodiment of the present invention the low water suction of composite material, high-intensitive, high-dimensional stability the characteristics of, even if in tide
Under wet extreme condition, higher dimensional stability is also maintained.The composite material is applied to prepare door and window heat insulating strip, can be had
Effect, which solves the problems, such as to deform due to material, causes gap between material and sash to increase, and is allowed to be continuously kept good combination
Performance, to avoid in use process since heat insulating strip deformation causes under the heat-insulated of door and window, sound insulation, energy conservation and anti-dust performance
Drop.In embodiments of the present invention, the semiaromatic polyamide composition is biological Geordie dragon, has reproducibility, overcomes existing stone
The problem of unsustainable regeneration of raw material existing for oil-based products, environmentally protective, energy conservation.Further, with the composite wood
Expect that total weight is 100 parts and counts, described semiaromatic polyamide composition 5-30 parts, preferably 10-30 parts or 10-20 parts.Specific real
It applies in mode, the semiaromatic polyamide composition is 5,8,10,12,15,16,19,22,25,27,29,30 parts, the parts by weight range
Interior semiaromatic polyamide composition and remaining component act synergistically so that the composite material of the embodiment of the present invention have it is excellent heat-resisting
Property and dimensional stability, even if also maintaining higher dimensional stability under moist extreme condition.
As a preferred embodiment, the fatty polyamide is selected as PA56 and/or PA6, the semi-aromatic
Polyamide is selected as PA10T.Aliphatic PA56 and PA6 collocation has good processing fluidity and toughness, and PA10T has resistance to
The characteristics such as hot, low water suction and dimensional stability, PA10T is compounded with PA56 and/or PA6, and it is good to may make that composite material has
Toughness, rigidity, heat resistance and processing fluidity.
As another preferred embodiment, the fatty polyamide is selected as PA56, the semiaromatic polyamide composition
It is selected as PA10T, PA10T is compounded with PA56, may make composite material that there is higher rigidity and heat resistance.Through experimental tests
It was found that semiaromatic polyamide composition is selected as PA10T, and thus obtained composite material has good when fatty polyamide is selected as PA56
Good intensity, tensile strength, bending strength and impact strength etc. are more than requirements of the national standard, and heat distortion temperature is high, and shock resistance is strong
Degree is big, and low water suction, using good intensity is able to maintain under wet environment and high temperature, meeting in high heat and humidity extreme environment makes
With current heat-insulated strip material can be substituted completely.
Glass fibre improves the mechanical property of nylon frequently as reinforcing material for a kind of inorganic non-metallic material.In this hair
In bright embodiment, the glass fibre is used in compounding with above-mentioned semiaromatic polyamide composition and fatty polyamide, is effectively had adjusted
The heat resistance of composite material, and make the embodiment of the present invention composite material thermal linear expansion coefficient close to profile, such as aluminium
Profile etc., even if so that still being kept between the heat insulating strip and profile that thus prepare in extreme environments such as high temperature, frosts
It combines closely, good airproof performance has good heat-insulated, sound insulation, energy conservation and dust-proof performance.In embodiments of the present invention, with
The composite material total weight is counted for 100 parts, and described glass fibre 20-30 parts, preferably 20-27 parts.In specific embodiment party
In formula, the glass fibre is 20,21,22,23,24,25,26,27,28,29,30 parts, the glass fibers within the scope of the parts by weight
Dimension acts synergistically with remaining component, so that the composite material of the embodiment of the present invention has excellent heat resistance and dimensional stability,
Even if under the high temperature conditions, also maintaining higher dimensional stability.
Preferably, the glass fibre is the chopped alkali-free glass fibre being surface-treated by silane coupling agent,
To further increase the interface binding power and compatibility of glass fibre Yu above-mentioned semiaromatic polyamide composition and fatty polyamide, by
This composite material obtained has preferable surface gloss.Further, the length of the glass fibre is 3-4 μm, monofilament
Diameter is 7-13 μm, and the glass fibre blanking under the size range is stablized, while being easy to disperse in matrix resin, is had good
Intensity.
The dissaving polymer is a kind of height cladodification but the irregular three-dimensional macromolecular of structure, is had lower viscous
Degree.In embodiments of the present invention, the addition of the dissaving polymer is conducive to the processability for further increasing composite material
Can, while the surface property of material is improved, it without floating fibre, and can squeeze out at low temperature, effectively improve the quality of production.As excellent
Choosing, the dissaving polymer are selected from least one of ultrabranching polyamide, hyper-branched polyester.Further, the over-expense
Fluidized polymer is preferably hyper-branched polyester, and molecule chain end has hydroxyl, can all have good phase with polyamide and glass
Capacitive, while tree can improve the mobility of material.In embodiments of the present invention, it is with the composite material total weight
100 parts of meters, the dissaving polymer are 0.05-1.5 parts.In this way, in some embodiments, the hyperbranched poly
Close object be 0.05,0.06,0.07,0.08,0.09,0.1,0.15,0.2,0.23,0.27,0.3,0.35,0.4,0.43,0.5,
0.56,0.6,0.63,0.7,0.72,0.8,0.85,0.9,0.95,1,1.1,1.2,1.3,1.4,1.5 part.
In embodiments of the present invention, the addition of the hollow glass micropearl is conducive to further increase the size of composite material
Stability, and the heat-conductive characteristic of composite material is effectively reduced, the heat-proof quality of material is further increased, to improve door and window
Energy saving.Further, the partial size of the hollow glass micropearl is 1250-3000 mesh, the hollow glass micropearl energy of this size
It is evenly dispersed in the material, the dimensional stability of material is improved while keeping the mechanical property of material without damage.In this hair
It is in terms of 100 parts by the composite material total weight, the hollow glass micropearl is 0.01-5 parts in bright embodiment.In some tools
In body embodiment, the hollow glass micropearl be 0.01,0.07,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,
1,1.2,1.5,1.7,2.0,2.2,2.4,2.8,3,3.1,3.5,3.6,3.7,4.0,4.2,4.5,4.8,5 parts.
In embodiments of the present invention, the toughener is preferably maleic anhydride grafting POE, to further increase composite material
Toughness and processing performance, be conducive to prepare complex-shaped heat insulating strip.Further, the grafting of the maleic anhydride grafting POE
Rate is preferably 0.8wt%-1.2wt%, is formed between fatty polyamide, semiaromatic polyamide composition and glass fibre good
Interface, conducive to the mechanical property for improving material.It in embodiments of the present invention, is institute in terms of 100 parts by the composite material total weight
Stating toughener is 0-10 parts, preferably 1-5 parts.In a particular embodiment, the toughener be 1,2,3,4,5,6,7,8,
9,10 parts.
In embodiments of the present invention, the antioxidant is preferably suffocated amine antioxidant, Hinered phenols antioxidant and phosphorous
At least one of acid esters antioxidant, protection composite material will not be thermally degradated in process, and improve composite material
Service life.In some embodiments, the antioxidant is selected as Hinered phenols antioxidant 1098 and phosphite antioxidant 168
Mixture；The weight ratio of Hinered phenols antioxidant and phosphite antioxidant is 1:1 in yet other embodiments,.In the present invention
It is in terms of 100 parts by the composite material total weight, the antioxidant is 0.1-1 parts in embodiment.In specific embodiment
In, the antioxidant is 0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1 part.
In embodiments of the present invention, the lubricant is preferably calcium stearate, zinc stearate and has supportted in bis-stearamides
At least one, the friction between composite material and equipment and the friction between composite material point are reduced, to reduce processing energy
Consumption while the processing performance for further increasing composite material.In embodiments of the present invention, with the composite material total weight for 100
Part meter, the lubricant are 0.1-1.5 parts.In a particular embodiment, the lubricant be 0.1,0.2,0.3,0.4,
0.5,0.6,0.7,0.8,0.9,1,1.1,1.2,1.3,1.4,1.5 part.
In embodiments of the present invention, the color masterbatch is used to adjust the color of composite material, preferably black color masterbatch.Some
In embodiment, the color masterbatch is carbon black and/or aniline black masterbatch；In other embodiments, the carrier tree of the color masterbatch
Rouge is to have good compatibility between PA6, with matrix resin.In embodiments of the present invention, with the composite material gross weight
Amount is 100 parts of meters, and the color masterbatch is 0.5-3 parts, preferably 1-3 parts.In a particular embodiment, the lubricant is
0.05,0.07,0.1,0.2,0.27,0.3,0.35,0.4,0.5,1,1.2,1.5,1.6,1.9,2,2.3,2.5,2.8,3 part.
In embodiments of the present invention, the coupling agent is preferably silane coupling agent, and silane coupling agent can be with glass fibre, sky
Good interface is formed based on heart glass, between fat polyamide and semiaromatic polyamide composition, conducive to the mechanics for improving composite material
Performance.In some embodiments, the silane coupling agent is KH550, KH550 and fat polyamide and semiaromatic polyamide composition
Between coupling performance more preferably.It in embodiments of the present invention, is the lubricant in terms of 100 parts by the composite material total weight
It is 0.05-1 parts.In a particular embodiment, the lubricant be 0.05,0.06,0.07,0.08,0.09,0.1,0.15,
0.2、0.23、0.27、0.3、0.35、0.4、0.43、0.5、0.56、0.6、0.63、0.7、0.72、0.8、0.85、0.9、0.95、
1 part.
The following are the preparation methods of the door and window heat insulating strip biology base nylon composite materials of the embodiment of the present invention.
Correspondingly, a kind of preparation method of above-mentioned door and window heat insulating strip biology base nylon composite materials, comprising the following steps:
S01, by the fatty polyamide, the semiaromatic polyamide composition, the coupling agent and the hyperbranched polymerization
Object carries out the first mixing treatment, obtains the first mixing；
S02, by the toughener, the antioxidant, the lubricant, the color masterbatch, the hollow glass micropearl and institute
It states the first mixing and carries out the second mixing treatment, obtain the second mixing；
S03, the glass fibre is mixed with second mixing, then carries out hot-melt extruded, obtains the door
Window heat insulating strip biology base nylon composite materials.
The preparation method of above-mentioned composite material provided in an embodiment of the present invention, including multistage mixing treatment and be extruded into
Type, method is simple, quality controllable, is convenient for scale volume production, facilitates improving production efficiency.
Specifically, in step S01, by the fatty polyamide, the semiaromatic polyamide composition, the coupling agent and
The dissaving polymer carries out the first mixing treatment, so that the fatty polyamide, the semiaromatic polyamide composition, described
Coupling agent and the dissaving polymer are uniformly mixed.To make the fatty polyamide, the semiaromatic polyamide composition, institute
It states coupling agent and the dissaving polymer mixes well, in some embodiments, first mixing treatment is in high-speed stirring
It mixes in machine and carries out；In other embodiments, the revolving speed of first mixing treatment is preferably 200-400rpm, incorporation time
Preferably 30 seconds or more.
In step S02, by the toughener, the antioxidant, the lubricant, the color masterbatch, the hollow glass
Microballon and first mixing carry out the second mixing treatment, so that the toughener, the antioxidant, the lubricant, described
Color masterbatch, the hollow glass micropearl and first mixing are uniformly mixed.To make the toughener, antioxidant, described
Lubricant, the color masterbatch, the hollow glass micropearl and first mixing mix well, in some embodiments, described
Second mixing treatment carries out in high-speed mixer；In other embodiments, the revolving speed of second mixing treatment is preferred
For 250-350rpm, incorporation time is preferably 30 seconds or more.
In step S03, the glass fibre is mixed with second mixing so that the glass fibre and its
Remaining component is sufficiently mixed uniformly.To mix well, in some embodiments, it is described be mixed into it is simple before extrusion molding
Mixing, such as suitably stirred and evenly mixed by external force.
Extrusion molding is carried out, so that each component realizes mixing well for molecular level.Preferably, the extrusion molding is
Hot-melt extruded.In some embodiments, the temperature of hot-melt extruded is 200-265 DEG C, revolving speed 250-350rpm.
To sum up, it under the comprehensive function of the process conditions of above-mentioned multiple optimizations provided in an embodiment of the present invention, may make logical
The comprehensive performance for crossing the composite material that preparation method provided in an embodiment of the present invention obtains is optimal, and water absorption rate is low, high mechanical strength,
Excellent in dimensional stability.
Correspondingly, a kind of door and window heat insulating strip, the material of the door and window heat insulating strip includes aforementioned composite material or above-mentioned preparation
Composite material made from method.
Door and window heat insulating strip provided in an embodiment of the present invention, material include above-mentioned composite material, have low water suction, high intensity
And the characteristics of high-dimensional stability, be conducive to the quality for promoting door and window heat insulating strip.
To make, the above-mentioned implementation detail of the present invention and operation can be clearly readily appreciated by one skilled in the art and the present invention is real
The progress performance for applying a kind of composite material and preparation method of example and door and window heat insulating strip embodies significantly, right by the following examples
Implementation of the invention is illustrated.
1, the composition of raw materials for the door and window heat insulating strip that embodiment 1-6 and comparative example 1-2 is provided is as shown in table 1:
1 comparative example of table, Example formulations table
Wherein, PA66 is purchased from refreshing horse；PA56 is purchased from triumphant match；PA10T is purchased from golden hair；Toughener is selected as POE-g-MAH, is purchased from
Good Yi Rong；Dissaving polymer is selected as ultrabranching polyamide, hyperbranched purchased from Wuhan；Antioxidant primary antioxidant is purchased from BASF
Hindered phenol antioxygen 1098 and phosphite antioxidant 168, and the weight ratio of antioxidant 1098 and irgasfos 168 is 1:1；Profit
Lubrication prescription is selected as EBS, is purchased from double bond；Color masterbatch is selected as organic black masterbatch using PA6 as carrier, triumphant purchased from Aomei；Silane coupling agent choosing
For KH550, it is purchased from double bond；Glass fibre is selected as ECS 301, length 3-4mm, and surface is handled by coupling agent infiltration, monofilament
Diameter is 10-13 μm, answers material purchased from Chongqing.
2, the preparation process for the door and window heat insulating strip that embodiment 1-6 and comparative example 1-2 is provided, comprising the following steps:
S11, fatty polyamide, semiaromatic polyamide composition and dissaving polymer are dried in vacuo 4h at 80 DEG C, so
After pour into high-speed mixer and coupling agent be added, carry out the first mixing treatment, stir 30 seconds under 300rpm, the first mixing of acquisition；
S12, toughener, antioxidant, lubricant, color masterbatch and hollow glass micropearl are added in the first mixing, carry out second
Mixing treatment discharges after stirring 1 minute in high-speed mixer, obtains the second mixing；
S13, the second mixing is dosed into twin-screw extrusion owner's feeding bucket, glass is added in side feed material, is in temperature
245-350 DEG C, revolving speed is extruding pelletization under 250-350rpm, and molding obtains door and window heat insulating strip.
The door and window heat insulating strip for taking appropriate embodiment 1-6 and comparative example 1-2 to provide is tested for the property, test result such as table 2
It is shown.The result shows that heat insulating strip of the invention has good intensity, tensile strength, bending strength and impact strength etc. are more than
Requirements of the national standard；Heat distortion temperature is high, high temperature resistance needed for being able to satisfy shape extrusion；Impact strength is big, has good
Good toughness；The anti-hydrolytic performance of material is good, low water absorption, good strong using being able to maintain under wet environment and high temperature
Degree, meets in high heat and humidity extreme environment and uses.Thus, in mechanical performance, heat resistance, processing performance, water resistance, use
The heat insulating strip of performance etc., the embodiment of the present invention is better than comparative example 1 and comparative example 2, can be widely applied as a kind of good door
Window heat insulating strip.
Table 2
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of door and window heat insulating strip biology base nylon composite materials, which is characterized in that with the door and window heat insulating strip biology base
The total weight of nylon composite materials be 100 parts meter, the raw material of the door and window heat insulating strip biology base nylon composite materials include with
Lower parts by weight of component:
Wherein, the fatty polyamide is selected from least one of PA56, PA6 and PA46, the semiaromatic polyamide composition choosing
From at least one of PA10T, PA6T and PA12T.
2. door and window heat insulating strip biology base nylon composite materials according to claim 1, which is characterized in that the aliphatic
Polyamide is selected as PA56 and/or PA6, and the semiaromatic polyamide composition is selected as PA10T.
3. door and window heat insulating strip biology base nylon composite materials according to claim 1, which is characterized in that the aliphatic
Polyamide is selected as PA56, and the semiaromatic polyamide composition is selected as PA10T.
4. door and window heat insulating strip biology base nylon composite materials according to any one of claim 1 to 3, feature exist
In the glass fibre is the chopped alkali-free glass fibre being surface-treated by silane coupling agent.
5. door and window heat insulating strip biology base nylon composite materials according to any one of claim 1 to 3, feature exist
In the toughener is that maleic anhydride is grafted POE.
6. door and window heat insulating strip biology base nylon composite materials according to any one of claim 1 to 3, feature exist
In the antioxidant is at least one of suffocated amine antioxidant, Hinered phenols antioxidant and phosphite antioxidant.
7. door and window heat insulating strip biology base nylon composite materials according to any one of claim 1 to 3, feature exist
It is calcium stearate, zinc stearate in, the lubricant and at least one of has supportted bis-stearamides.
8. door and window heat insulating strip biology base nylon composite materials according to any one of claim 1 to 3, feature exist
In the coupling agent is silane coupling agent.
9. a kind of preparation method of door and window heat insulating strip biology base nylon composite materials described in any item of the claim 1 to 8,
Characterized by comprising the following steps:
The fatty polyamide, the semiaromatic polyamide composition, the coupling agent and the dissaving polymer are carried out the
One mixing treatment obtains the first mixing；
The toughener, the antioxidant, the lubricant, the color masterbatch, the hollow glass micropearl and described first are mixed
Material carries out the second mixing treatment, obtains the second mixing；
The glass fibre is mixed, then extrusion molding with second mixing, obtains the door and window heat insulating strip life
Object base nylon composite materials.
10. a kind of door and window heat insulating strip, which is characterized in that the material of the door and window heat insulating strip includes any one of claims 1 to 8
Door and window heat insulating strip made from door and window heat insulating strip biology base nylon composite materials or preparation method as claimed in claim 9
With biology base nylon composite materials.
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| CN111117237A (en) * | 2020-01-14 | 2020-05-08 | 深圳海源恒业高新材料科技研发有限公司 | Polyamide composite material and preparation method thereof |
| CN111253741A (en) * | 2020-03-16 | 2020-06-09 | 深圳市高科塑化有限公司 | High-strength hydrolysis-resistant nylon alloy reinforced material and preparation method thereof |
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| WO2022180051A1 (en) * | 2021-02-23 | 2022-09-01 | Solvay Specialty Polymers Usa, Llc | Polyamide compositions with functionalized polyolefin and mobile electronic device components containing them |
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| WO2024058580A1 (en) * | 2022-09-15 | 2024-03-21 | 엘지전자 주식회사 | Polyamide resin composition, and lightweight high-strength molded product manufactured therefrom |
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Application publication date: 20191112 |