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 PDF

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Publication number
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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China
Prior art keywords
cold
master batch
thermal barrier
preparation
barrier strip
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CN201811252887.8A
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Chinese (zh)
Inventor
张翔
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Luan Yatai New Materials Co Ltd
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Luan Yatai New Materials Co Ltd
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Priority to CN201811252887.8A priority Critical patent/CN109370214A/en
Publication of CN109370214A publication Critical patent/CN109370214A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/20Compounding polymers with additives, e.g. colouring
    • C08J3/22Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2477/00Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2477/06Polyamides derived from polyamines and polycarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/30Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045Sulfates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/004Additives being defined by their length
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • C08K3/36Silica
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/02Fibres or whiskers
    • C08K7/04Fibres or whiskers inorganic
    • C08K7/14Glass
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00Use of pretreated ingredients
    • C08K9/04Ingredients treated with organic substances
    • C08K9/06Ingredients treated with organic substances with silicon-containing compounds

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • 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

A kind of preparation method of cold-resistant polyamide thermal barrier strip master batch
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.
CN201811252887.8A 2018-10-25 2018-10-25 A kind of preparation method of cold-resistant polyamide thermal barrier strip master batch Pending CN109370214A (en)

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CN201811252887.8A CN109370214A (en) 2018-10-25 2018-10-25 A kind of preparation method of cold-resistant polyamide thermal barrier strip master batch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811252887.8A CN109370214A (en) 2018-10-25 2018-10-25 A kind of preparation method of cold-resistant polyamide thermal barrier strip master batch

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Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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Application publication date: 20190222

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