CN106366655B - The preparation method of fire prevention PA66 heat insulation section - Google Patents
The preparation method of fire prevention PA66 heat insulation section Download PDFInfo
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- CN106366655B CN106366655B CN201610851697.2A CN201610851697A CN106366655B CN 106366655 B CN106366655 B CN 106366655B CN 201610851697 A CN201610851697 A CN 201610851697A CN 106366655 B CN106366655 B CN 106366655B
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- raw material
- heat insulation
- insulation section
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- drying
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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
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- 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
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of preparation methods of PA66 heat insulation section of preventing fires, comprising: (1) is granulated: PA66, glass fibre and additive being granulated in pelletizer according to a certain percentage, wherein PA66:50wt%~80wt%;Glass fibre: 20wt%~40wt%;Additive: 1wt%~15wt%;(2) it dries: will be granulated that treated that raw material is dried 2~4 hours in dryer, the drying temperature of dryer set is 90 DEG C~140 DEG C;(3) modified: red phosphorus is added in the raw material after drying and processing and is stirred evenly, the mass ratio between the raw material and red phosphorus is 100:5~100:15;(4) form: by the raw material after drying by extruder extrusion molding, the temperature of extrusion molding is 250 DEG C~310 DEG C.The heat resisting temperature of the preparation-obtained fire prevention PA66 heat insulation section of the preparation method of fire prevention PA66 heat insulation section can be to 260 DEG C shown by the present invention, heat-resisting weatherability is preferable, uvioresistant anti-aging property is good, and structure size is stablized, and is highly suitable for the heat insulation section of broken-bridge aluminum alloy door and window.
Description
Technical field
The present invention relates to heat insulation section preparation technical field more particularly to a kind of preparation sides for PA66 heat insulation section of preventing fires
Method.
Background technique
PA66 heat insulation section has good heat-proof quality as heat insulation section used in a kind of broken-bridge aluminum alloy door and window
With high temperature resistance, therefore becoming the heat insulation section in high-end broken-bridge aluminum alloy door and window.Currently, PA66 in the prior art
The preparation method of heat insulation section is mainly used major ingredient PA66 and toughener and the auxiliary materials such as heat stabilizer and lubricant, passes through drawing
Mold is stretched to be prepared.This technique haves the defects that PA66 heat insulation section is easy card mold tool;Meanwhile traditional PA66G is heat-insulated
The component proportion of profile be not it is quite reasonable, the upper limit temperature of heat tolerance only has 160 DEG C.
In view of this, it is necessary to the preparation method of PA66 heat insulation section in the prior art be improved, on solving
State problem.
Summary of the invention
It is an object of the invention to disclose a kind of preparation method of PA66 heat insulation section of preventing fires, to realize spy resistant to high temperature
Property, the surface smoothness of PA66 heat insulation section is improved, production efficiency is improved.
To achieve the above object, the present invention provides the preparation methods of fire prevention PA66 heat insulation section, comprising the following steps:
(1) it is granulated: PA66, glass fibre and additive is granulated in pelletizer according to a certain percentage, wherein
PA66:50wt%~80wt%;Glass fibre: 20wt%~40wt%;Additive: 1wt%~15wt%;
(2) it dries: will be granulated that treated that raw material is dried 2~4 hours in dryer, the drying temperature of the setting of dryer
Degree is 90 DEG C~140 DEG C;
(3) modified: red phosphorus is added in the raw material after drying and processing and is stirred evenly, the quality between the raw material and red phosphorus
Than for 100:5~100:15;
(4) form: by the raw material after drying by extruder extrusion molding, the temperature of extrusion molding is 250 DEG C~310
℃。
As a further improvement of the present invention, the additive includes toughener, coupling agent, lubricant, antioxidant, resists
Aging agent, water repellent agent, heat stabilizer and Masterbatch.
As a further improvement of the present invention, the toughener, coupling agent, lubricant, antioxidant, age resister, anti-
Parts by weight ratio between aqua, heat stabilizer and Masterbatch are as follows: 1:1:1:1.5:1.2:1.8:0.8:0.4.
It as a further improvement of the present invention, further include adding soluble poly metal in the feed to have in the step (3)
Organic siloxane.
As a further improvement of the present invention, the mass ratio between the raw material and soluble polyorganometallosiloxane is
100:1~100:3.
As a further improvement of the present invention, the toughener is polyolefin elastomer toughener, and the coupling agent is silicon
Alkane coupling agent, the lubricant are polyol fatty acid, and the age resister is unimolecular N- alkoxy hindered amine stabilizer,
The antioxidant is dibutyl dithiocaarbamate salt, and the heat stabilizer is nano-titanium dioxide, and the water repellent agent is
Melamine resin.
Compared with prior art, the beneficial effects of the present invention are: the system for PA66 heat insulation section of preventing fires shown by the present invention
The heat resisting temperature of the preparation-obtained fire prevention PA66 heat insulation section of Preparation Method can be to 260 DEG C, and heat-resisting weatherability is preferable, uvioresistant
Anti-aging property is good, and structure size is stablized, and is highly suitable for the heat insulation section of broken-bridge aluminum alloy door and window.
Specific embodiment
Below with reference to each embodiment, the present invention is described in detail, but it should be stated that, these embodiments are simultaneously
Non- limitation of the present invention, those of ordinary skill in the art are according to these embodiments in made function, method or structure
Equivalent transformation or substitution, all belong to the scope of protection of the present invention within.
Embodiment one:
A kind of preparation method for PA66 heat insulation section of preventing fires comprising following steps:
Step (1) is granulated: PA66, glass fibre and additive is granulated in pelletizer according to a certain percentage,
In, PA66:50wt%;Glass fibre: 40wt%;Additive: 10wt%.Step (2) drying: it will be granulated that treated that raw material exists
It is dried 3 hours in dryer, the drying temperature of dryer set is 90 DEG C.Step (3) is modified: by the raw material after drying and processing
Red phosphorus is added and stirs evenly, the mass ratio between the raw material and red phosphorus is 100:5.Step (4) molding: by the original after drying
Material is 250 DEG C by extruder extrusion molding, the temperature of extrusion molding.
Specifically, in this embodiment, the additive include toughener, coupling agent, lubricant, antioxidant, age resister,
Water repellent agent, heat stabilizer and Masterbatch.The toughener, coupling agent, lubricant, antioxidant, age resister, water repellent agent, heat
Parts by weight ratio between stabilizer and Masterbatch are as follows: 1:1:1:1.5:1.2:1.8:0.8:0.4.Specifically, in this implementation
In example, which is polyolefin elastomer toughener, and the coupling agent is silane coupling agent, and the lubricant is polyol resin
Fat acid, the age resister are unimolecular N- alkoxy hindered amine stabilizer, and the antioxidant is dibutyl dithio ammonia
Base formates, the heat stabilizer are nano-titanium dioxide, and the water repellent agent is melamine resin.In the present embodiment one
In, the heat resisting temperature for the fire prevention PA66 heat insulation section being finally prepared is up to 262.5 DEG C.By increasing red phosphorus, can further increase
Add the flame retardant effect of fire prevention PA66 heat insulation section.
Embodiment two:
A kind of preparation method for PA66 heat insulation section of preventing fires comprising following steps:
Step (1) is granulated: PA66, glass fibre and additive is granulated in pelletizer according to a certain percentage,
In, PA66:80wt%;Glass fibre: 18wt%;Additive: 2wt%.Step (2) drying: it will be granulated that treated that raw material exists
It is dried 4 hours in dryer, the drying temperature of dryer set is 140 DEG C.Step (3) is modified: by the original after drying and processing
Material is added red phosphorus and stirs evenly, and the mass ratio between the raw material and red phosphorus is 100:10.Step (4) molding: after drying
Raw material by extruder extrusion molding, the temperature of extrusion molding is 310 DEG C.
In the present embodiment two, the heat resisting temperature for the fire prevention PA66 heat insulation section being finally prepared is up to 266.8 DEG C.This reality
Applying example and being the same as example 1 the technical solution of part please join shown in embodiment one, and details are not described herein.
Embodiment three:
A kind of preparation method for PA66 heat insulation section of preventing fires comprising following steps:
Step (1) is granulated: PA66, glass fibre and additive is granulated in pelletizer according to a certain percentage,
In, PA66:59wt%;Glass fibre: 40wt%;Additive: 1wt%.Step (2) drying: it will be granulated that treated that raw material exists
It is dried 2 hours in dryer, the drying temperature of dryer set is 104 DEG C.Step (3) is modified: by the original after drying and processing
Material is added red phosphorus and stirs evenly, and the mass ratio between the raw material and red phosphorus is 100:15.Step (4) molding: after drying
Raw material by extruder extrusion molding, the temperature of extrusion molding is 286 DEG C.
In the present embodiment three, the heat resisting temperature for the fire prevention PA66 heat insulation section being finally prepared is up to 264.2 DEG C.This reality
Applying example and being the same as example 1 the technical solution of part please join shown in embodiment one, and details are not described herein.
Example IV:
A kind of preparation method for PA66 heat insulation section of preventing fires comprising following steps:
Step (1) is granulated: PA66, glass fibre and additive is granulated in pelletizer according to a certain percentage,
In, PA66:62wt%;Glass fibre: 31wt%;Additive: 7wt%.Step (2) drying: it will be granulated that treated that raw material exists
It is dried 2~4 hours in dryer, the drying temperature of dryer set is 127 DEG C.Step (3) is modified: after drying and processing
Raw material is added red phosphorus and stirs evenly, and the mass ratio between the raw material and red phosphorus is 100:12.Step (4) molding: it will dry
Raw material afterwards is 298 DEG C by extruder extrusion molding, the temperature of extrusion molding.
In the present embodiment four, the heat resisting temperature for the fire prevention PA66 heat insulation section being finally prepared is up to 264.2 DEG C.This reality
Applying example and being the same as example 1 the technical solution of part please join shown in embodiment one, and details are not described herein.
Embodiment five:
A kind of preparation method for PA66 heat insulation section of preventing fires comprising following steps:
Step (1) is granulated: PA66, glass fibre and additive is granulated in pelletizer according to a certain percentage,
In, PA66:59wt%;Glass fibre: 40wt%;Additive: 1wt%.Step (2) drying: it will be granulated that treated that raw material exists
It is dried 2~4 hours in dryer, the drying temperature of dryer set is 136 DEG C.Step (3) is modified: after drying and processing
Raw material is added red phosphorus and stirs evenly, and the mass ratio between the raw material and red phosphorus is 100:12.Step (4) molding: it will dry
Raw material afterwards is 305 DEG C by extruder extrusion molding, the temperature of extrusion molding.
In the present embodiment five, the heat resisting temperature for the fire prevention PA66 heat insulation section being finally prepared is up to 268.9 DEG C.This reality
Applying example and being the same as example 1 the technical solution of part please join shown in embodiment one, and details are not described herein.
Embodiment six:
Step (1) is granulated: PA66, glass fibre and additive is granulated in pelletizer according to a certain percentage,
In, PA66:80wt%;Glass fibre: 18wt%;Additive: 2wt%.Step (2) drying: it will be granulated that treated that raw material exists
It is dried 2~4 hours in dryer, the drying temperature of dryer set is 138 DEG C.Step (3) is modified: after drying and processing
Red phosphorus and soluble polyorganometallosiloxane is added in raw material, and stirs evenly.Specifically, raw material and soluble poly metal are organic
Mass ratio between siloxanes is 100:1, and the mass ratio between the raw material and red phosphorus is 100:11.Step (4) molding: it will dry
For raw material after dry by extruder extrusion molding, the temperature of extrusion molding is 308 DEG C.
In the present embodiment six, the heat resisting temperature for the fire prevention PA66 heat insulation section being finally prepared is up to 271.2 DEG C.This reality
Applying example and being the same as example 1 the technical solution of part please join shown in embodiment one, and details are not described herein.
Embodiment seven:
Step (1) is granulated: PA66, glass fibre and additive is granulated in pelletizer according to a certain percentage,
In, PA66:80wt%;Glass fibre: 18wt%;Additive: 2wt%.Step (2) drying: it will be granulated that treated that raw material exists
It is dried 2~4 hours in dryer, the drying temperature of dryer set is 96 DEG C.Step (3) is modified: after drying and processing
Red phosphorus and soluble polyorganometallosiloxane is added in raw material, and stirs evenly.Specifically, raw material and soluble poly metal are organic
Mass ratio between siloxanes is 100:3, and the mass ratio between the raw material and red phosphorus is 100:7.Step (4) molding: it will dry
For raw material after dry by extruder extrusion molding, the temperature of extrusion molding is 260 DEG C.
In the present embodiment seven, the heat resisting temperature for the fire prevention PA66 heat insulation section being finally prepared is up to 272.9 DEG C.This reality
Applying example and being the same as example 1 the technical solution of part please join shown in embodiment one, and details are not described herein.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (3)
1. the preparation method for PA66 heat insulation section of preventing fires characterized by comprising
(1) it is granulated: PA66, glass fibre and additive being granulated in pelletizer according to a certain percentage, wherein PA66:
50wt%~80wt%;Glass fibre: 20wt%~40wt%;Additive: 1wt%~15wt%, the sum of each component are
100%;
(2) dry: will be granulated that treated that raw material is dried 2~4 hours in dryer, the drying temperature set of dryer as
90 DEG C~140 DEG C;
(3) modified: red phosphorus is added in the raw material after drying and processing and is stirred evenly, the mass ratio between the raw material and red phosphorus is
100:5~100:15;
(4) form: by the raw material after drying by extruder extrusion molding, the temperature of extrusion molding is 250 DEG C~310 DEG C;
The additive includes toughener, coupling agent, lubricant, antioxidant, age resister, water repellent agent, heat stabilizer and color
Master batch;
Between the toughener, coupling agent, lubricant, antioxidant, age resister, water repellent agent, heat stabilizer and Masterbatch
Parts by weight ratio are as follows: 1:1:1:1.5:1.2:1.8:0.8:0.4;
It further include adding soluble polyorganometallosiloxane in the feed in the step (3).
2. it is according to claim 1 fire prevention PA66 heat insulation section preparation method, which is characterized in that the raw material with it is solvable
Property polyorganometallosiloxane between mass ratio be 100:1~100:3.
3. the preparation method of fire prevention PA66 heat insulation section according to claim 1, which is characterized in that the toughener is poly-
Olefin elastomer toughener, the coupling agent are silane coupling agent, and the lubricant is polyol fatty acid, the age resister
For unimolecular N- alkoxy hindered amine stabilizer, the antioxidant is dibutyl dithiocaarbamate salt, and the heat is steady
Determining agent is nano-titanium dioxide, and the water repellent agent is melamine resin.
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101798460A (en) * | 2010-02-08 | 2010-08-11 | 佛山市南海易乐工程塑料有限公司 | Composite flame retardant glass fibre reinforced nylon 66 insulating strip and preparation method thereof |
CN103965623A (en) * | 2014-05-20 | 2014-08-06 | 古道尔工程塑胶(深圳)有限公司 | High-dimensional-stability reinforced flame-retardant cold-resistant composite material and preparation method thereof |
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- 2016-09-26 CN CN201610851697.2A patent/CN106366655B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101798460A (en) * | 2010-02-08 | 2010-08-11 | 佛山市南海易乐工程塑料有限公司 | Composite flame retardant glass fibre reinforced nylon 66 insulating strip and preparation method thereof |
CN103965623A (en) * | 2014-05-20 | 2014-08-06 | 古道尔工程塑胶(深圳)有限公司 | High-dimensional-stability reinforced flame-retardant cold-resistant composite material and preparation method thereof |
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