CN109370214A - A kind of preparation method of cold-resistant polyamide thermal barrier strip master batch - Google Patents
A kind of preparation method of cold-resistant polyamide thermal barrier strip master batch Download PDFInfo
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- CN109370214A CN109370214A CN201811252887.8A CN201811252887A CN109370214A CN 109370214 A CN109370214 A CN 109370214A CN 201811252887 A CN201811252887 A CN 201811252887A CN 109370214 A CN109370214 A CN 109370214A
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- master batch
- thermal barrier
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- barrier strip
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2477/06—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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- Polymers & Plastics (AREA)
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- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a kind of preparation methods of cold-resistant polyamide thermal barrier strip master batch, are made of the component of following mass percent: polyamide 65-68%;Alkali-free glass fibre 24-26%;Antioxidant 0.5-1%;Synthesize cold-resistant auxiliary agent 1-2%;Black masterbatch 0.5-1%;Inorganic filler 2-9%.There is excellent low temperature cold resistance using the polyamide thermal barrier strip that polyamide thermal barrier strip master batch is produced prepared by the present invention, while not influencing the original performance of heat insulating strip.
Description
Technical field
The invention belongs to polymeric material fields, and in particular to a kind of preparation method of cold-resistant polyamide thermal barrier strip master batch.
Background technique
Thermal break aluminum alloy window is on the basis of old aluminum window to improve door and window thermal insulation property and changing for releasing
Into type, aluminium alloy extrusions is divided by the heat transfer that inside and outside two parts have obstructed aluminium by enhancing nylon parting bead.Enhance nylon parting bead
Material and quality directly influence the durability of thermal break aluminum alloy window.The principle of heat-insulating bridge-cut-off aluminium alloy is in aluminum profile
Centre penetrates heat insulating strip, and aluminum profile is disconnected to form bridge cut-off, effectively prevents the conduction of heat.Door- and window-frames are made in this way, are equipped with
Upper hollow glass, handware, sliding sash with disappearing screen window, glass cement, foamed glue, sealing strip etc., the portal window manufactured in this way, referred to as
For heat-insulating bridge-cut-off aluminum alloy doors and windows.The insulated rubber strip of heat-insulating bridge-cut-off aluminum alloy doors and windows is the critical component for influencing heat insulation, existing
The adhesive tape of some heat-insulating bridge-cut-off aluminum alloy doors and windows mainly has polyvinyl chloride (PVC) adhesive tape and nylon adhesive tape.Heat insulating strip mainly includes
The heat-insulated bridge-cut-off aluminium alloy of heat insulating strip and connection inside being through in the cavity in the middle part of heat-insulating bridge-cut-off aluminium alloy extrusions and outside
The heat-insulated connection strap of heat-insulating bridge-cut-off aluminium alloy extrusions.
As aluminium alloy steel sash heat insulating strip, the prior art needs to solve following problems: (1) in cold zone, not because of temperature
Difference and destroy, low-temperature flexibility will be got well, and not influence original performance under the premise of (2) are low temperature resistant.
Summary of the invention
To solve the above problems, the present invention provides a kind of preparation methods of cold-resistant polyamide thermal barrier strip master batch.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of preparation method of cold-resistant polyamide thermal barrier strip master batch, is made of the component of following mass percent:
Polyamide 65-68%;
Alkali-free glass fibre 24-26%;
Antioxidant 0.5-1%;
Synthesize cold-resistant auxiliary agent 1-2%;
Black masterbatch 0.5-1%;
Inorganic filler 2-9%.
Preferably, the preparation flow of the heat insulating strip master batch is as follows:
Other each component raw materials in addition to alkali-free glass fibre are put into compounding jar together, according to 15 minutes * 3 times
It is pre-mixed, premix is added from the main spout of double screw extruder, alkali-free glass fibre is added from side spout,
Carry out melting extrusion, cooling granulation.220-240 DEG C of one area of extrusion temperature, two 240-260 DEG C of areas, three 260-280 DEG C of areas, host
Revolving speed is 300-350 revs/min.
Preferably the auxiliary agent that resists cold that synthesizes is made of following steps:
(1) silane coupling agent of 4-8wt% is added in amorphous silica, it is small that 3-5 is stirred under high-speed mixer
When, it is uniformly mixed;
(2) organic acid ester cold-resistant agent is added for 3:1 in mass ratio in above-mentioned silica mixture, in homogenizer
Stirring 1-2 hours is uniformly mixed;
(3) by above-mentioned mixed component in 1500-2000 revs/min of high speed centrifugal mixer 20-30 minutes, drying, crush to get
Synthesize cold-resistant auxiliary agent.
Preferably, the polyamide is the nylon 66 resin of high fluidity;
Preferably, the alkali-free glass fibre is long glass fibres or short glass fiber, fibre length is 3-9 μm;
Preferably, the antioxidant is Hinered phenols antioxidant, including antioxidant 1010, antioxidant 1076, antioxidant
1098, one of antioxidant 1024;
Preferably, the black masterbatch is the dedicated black masterbatch of PA66, the happy high molecular material Co., Ltd product of Poole;
Preferably, the inorganic filler is blanc fixe;
Preferably, the amorphous silica oil absorption is more than or equal to 200mL/100g, primary partial size is less than or equal to
50nm, specific surface area, which is greater than, is equal to 200 ㎡/g;
Preferably, organic acid ester cold-resistant agent is preferably triacetyl glycerine, tri-n-butyl citrate, acetyl tributyl citrate three
One of N-butyl.
Beneficial effects of the present invention: heat-insulated using the polyamide that polyamide thermal barrier strip master batch is produced prepared by the present invention
Item has excellent low temperature cold resistance, while not influencing the original performance of heat insulating strip.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
Embodiment 1
(1) cold-resistant auxiliary agent is synthesized:
1) silane coupling agent of 4wt% is added in amorphous silica, is stirred 3 hours under high-speed mixer, mixes
It closes uniform;
2) organic acid ester cold-resistant agent is added for 3:1 in mass ratio in above-mentioned silica mixture, in homogenizer
Stirring 1 hour is uniformly mixed;
3) by above-mentioned mixed component in 1500 revs/min centrifugal mixer 20 minutes at a high speed, drying is crushed cold-resistant to get synthesis
Auxiliary agent.
Wherein:
Silica: TSP-H10, Jiangsu Tian Hang new material Co., Ltd product;
Silane coupling agent: SG-Si171, NanJing Shuguang Chemical Group Co., Ltd.'s product;
Organic acid ester mould inhibitor: triacetyl glycerine, Huainan An Xintai Science and Technology Ltd. product.
(2) a kind of preparation method of cold-resistant polyamide thermal barrier strip master batch, is made of the component of following mass percent:
Polyamide 65%;
Alkali-free glass fibre 24%;
Antioxidant 0.5%;
Synthesize cold-resistant auxiliary agent 1%;
Black masterbatch 0.5%;
Inorganic filler 9%.
Other each component raw materials in addition to alkali-free glass fibre are put into compounding jar together, according to 15 minutes * 3 times
It is pre-mixed, premix is added from the main spout of double screw extruder, alkali-free long glass fibres is added from side spout
Enter, carries out melting extrusion, cooling granulation.22 DEG C of one area of extrusion temperature, two 240 DEG C of areas, three 260 DEG C of areas, engine speed 300
Rev/min.
Embodiment 2
(1) cold-resistant auxiliary agent is synthesized:
1) silane coupling agent of 6wt% is added in amorphous silica, is stirred 4 hours under high-speed mixer, mixes
It closes uniform;
2) organic acid ester cold-resistant agent is added for 3:1 in mass ratio in above-mentioned silica mixture, in homogenizer
Stirring 2 hours is uniformly mixed;
3) by above-mentioned mixed component in 1800 revs/min centrifugal mixer 25 minutes at a high speed, drying is crushed cold-resistant to get synthesis
Auxiliary agent.
(2) a kind of preparation method of cold-resistant polyamide thermal barrier strip master batch, is made of the component of following mass percent:
Polyamide 67%;
Alkali-free glass fibre 25%;
Antioxidant 0.7%;
Synthesize cold-resistant auxiliary agent 1.5%;
Black masterbatch 0.8%;
Inorganic filler 5%.
Other each component raw materials in addition to alkali-free glass fibre are put into compounding jar together, according to 15 minutes * 3 times
It is pre-mixed, premix is added from the main spout of double screw extruder, alkali-free short glass fiber is added from side spout
Enter, carries out melting extrusion, cooling granulation.230 DEG C of one area of extrusion temperature, two 250 DEG C of areas, three 270 DEG C of areas, engine speed 320
Rev/min.
Wherein:
Silica: TSP-H10, Jiangsu Tian Hang new material Co., Ltd product;
Silane coupling agent: SG-Si171, NanJing Shuguang Chemical Group Co., Ltd.'s product;
Organic acid ester mould inhibitor: tri-n-butyl citrate, Huainan An Xintai Science and Technology Ltd. product.
Embodiment 3
(1) cold-resistant auxiliary agent is synthesized:
1) silane coupling agent of 8wt% is added in amorphous silica, is stirred 5 hours under high-speed mixer, mixes
It closes uniform;
2) organic acid ester cold-resistant agent is added for 3:1 in mass ratio in above-mentioned silica mixture, in homogenizer
Stirring 2 hours is uniformly mixed;
3) by above-mentioned mixed component in 2000 revs/min centrifugal mixer 30 minutes at a high speed, drying is crushed cold-resistant to get synthesis
Auxiliary agent.
Wherein:
Silica: TSP-H10, Jiangsu Tian Hang new material Co., Ltd product;
Silane coupling agent: SG-Si171, NanJing Shuguang Chemical Group Co., Ltd.'s product;
Organic acid ester mould inhibitor: acetyl tri-n-butyl citrate, Huainan An Xintai Science and Technology Ltd. product.
(2) a kind of preparation method of cold-resistant polyamide thermal barrier strip master batch, is made of the component of following mass percent:
Polyamide 68%;
Alkali-free glass fibre 26%;
Antioxidant 1%;
Synthesize cold-resistant auxiliary agent 2%;
Black masterbatch 1%;
Inorganic filler 2%.
Other each component raw materials in addition to alkali-free glass fibre are put into compounding jar together, according to 15 minutes * 3 times
It is pre-mixed, premix is added from the main spout of double screw extruder, alkali-free long glass fibres is added from side spout
Enter, carries out melting extrusion, cooling granulation.240 DEG C of one area of extrusion temperature, two 260 DEG C of areas, three 280 DEG C of areas, engine speed 350
Rev/min.
Polyamide master batch obtained by embodiment 1-3 is extruded into item, makes I type (depth of section 16.8mm) profile, it is right
It is tested for the property, as a result as shown in the table:
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (10)
1. a kind of preparation method of cold-resistant polyamide thermal barrier strip master batch, is made of the component of following mass percent:
Polyamide 65-68%;
Alkali-free glass fibre 24-26%;
Antioxidant 0.5-1%;
Synthesize cold-resistant auxiliary agent 1-2%;
Black masterbatch 0.5-1%;
Inorganic filler 2-9%.
2. a kind of preparation method of cold-resistant polyamide thermal barrier strip master batch according to claim 1, which is characterized in that this is heat-insulated
The preparation flow of master batch is as follows:
Other each component raw materials in addition to alkali-free glass fibre are put into compounding jar together, are carried out according to 15 minutes * 3 times
Premixing, premix is added from the main spout of double screw extruder, and alkali-free glass fibre is added from side spout, is carried out
Melting extrusion, cooling granulation.220-240 DEG C of one area of extrusion temperature, two 240-260 DEG C of areas, three 260-280 DEG C of areas, engine speed
It is 300-350 revs/min.
3. a kind of preparation method of cold-resistant polyamide thermal barrier strip master batch according to claim 1, which is characterized in that the conjunction
It is made at cold-resistant auxiliary agent of following steps:
(1) silane coupling agent of 4-8wt% is added in amorphous silica, is stirred 3-5 hours under high-speed mixer, mixes
It closes uniform;
(2) organic acid ester cold-resistant agent is added for 3:1 in mass ratio in above-mentioned silica mixture, is stirred in homogenizer
It 1-2 hours, is uniformly mixed;
(3) by above-mentioned mixed component in 1500-2000 revs/min of high speed centrifugal mixer 20-30 minutes, dries pulverizing is to get synthesis
Cold-resistant auxiliary agent.
4. a kind of preparation method of cold-resistant polyamide thermal barrier strip master batch according to claim 1, which is characterized in that described poly-
Amide resin is the nylon 66 resin of high fluidity.
5. a kind of preparation method of cold-resistant polyamide thermal barrier strip master batch according to claim 1, which is characterized in that the nothing
Alkali containing glass fibre is long glass fibres or short glass fiber, and fibre length is 3-9 μm.
6. a kind of preparation method of cold-resistant polyamide thermal barrier strip master batch according to claim 1, which is characterized in that described anti-
Oxygen agent is one of Hinered phenols antioxidant, including antioxidant 1010, antioxidant 1076, antioxidant 1098, antioxidant 1024.
7. a kind of preparation method of cold-resistant polyamide thermal barrier strip master batch according to claim 1, which is characterized in that described black
Color masterbatch is the dedicated black masterbatch of PA66, the happy high molecular material Co., Ltd product of Poole.
8. a kind of preparation method of cold-resistant polyamide thermal barrier strip master batch according to claim 1, which is characterized in that the nothing
Machine filler is blanc fixe.
9. a kind of preparation method of cold-resistant polyamide thermal barrier strip master batch according to claim 3, which is characterized in that the nothing
Silica oil absorption of being formed is more than or equal to 200mL/100g, and primary partial size is less than or equal to 50nm, and specific surface area, which is greater than, is equal to 200
㎡/g。
10. a kind of preparation method of cold-resistant polyamide thermal barrier strip master batch according to claim 3, which is characterized in that described
Organic acid ester cold-resistant agent is preferably one of triacetyl glycerine, tri-n-butyl citrate, acetyl tri-n-butyl citrate.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112248279A (en) * | 2020-09-29 | 2021-01-22 | 安徽中鑫宏伟科技有限公司 | Preparation method of high-toughness nylon heat insulation strip master batch |
CN112265174A (en) * | 2020-09-29 | 2021-01-26 | 安徽中鑫宏伟科技有限公司 | Preparation method of high-strength nylon heat insulation strip master batch |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6038459A (en) * | 1983-08-12 | 1985-02-28 | Toray Ind Inc | Highly impact-resistant polyamide resin composition |
JP2005232239A (en) * | 2004-02-18 | 2005-09-02 | Toray Ind Inc | Polyamide resin composition and molding consisting of the same |
CN105153689A (en) * | 2015-09-23 | 2015-12-16 | 南京聚隆科技股份有限公司 | Polyamide 6 composite and preparation method thereof |
CN106189217A (en) * | 2016-07-18 | 2016-12-07 | 天津金发新材料有限公司 | A kind of polyamide material for preparing cold-resistant heat insulating strip and preparation method thereof |
-
2018
- 2018-10-25 CN CN201811252887.8A patent/CN109370214A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6038459A (en) * | 1983-08-12 | 1985-02-28 | Toray Ind Inc | Highly impact-resistant polyamide resin composition |
JP2005232239A (en) * | 2004-02-18 | 2005-09-02 | Toray Ind Inc | Polyamide resin composition and molding consisting of the same |
CN105153689A (en) * | 2015-09-23 | 2015-12-16 | 南京聚隆科技股份有限公司 | Polyamide 6 composite and preparation method thereof |
CN106189217A (en) * | 2016-07-18 | 2016-12-07 | 天津金发新材料有限公司 | A kind of polyamide material for preparing cold-resistant heat insulating strip and preparation method thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112248279A (en) * | 2020-09-29 | 2021-01-22 | 安徽中鑫宏伟科技有限公司 | Preparation method of high-toughness nylon heat insulation strip master batch |
CN112265174A (en) * | 2020-09-29 | 2021-01-26 | 安徽中鑫宏伟科技有限公司 | Preparation method of high-strength nylon heat insulation strip master batch |
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