CN108276676A - A kind of heating system pipe special thermal insulation material and preparation method thereof - Google Patents
A kind of heating system pipe special thermal insulation material and preparation method thereof Download PDFInfo
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- CN108276676A CN108276676A CN201810121798.3A CN201810121798A CN108276676A CN 108276676 A CN108276676 A CN 108276676A CN 201810121798 A CN201810121798 A CN 201810121798A CN 108276676 A CN108276676 A CN 108276676A
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- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
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- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
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- C—CHEMISTRY; METALLURGY
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08J2461/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08J2461/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
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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
- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
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- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
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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
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
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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
- C08K9/02—Ingredients treated with inorganic substances
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Abstract
The invention discloses a kind of heating system pipe special thermal insulation materials, include the raw material of following parts by weight：13~19 parts of UF foamed plastics powder, 30~45 parts of acrylic resin, 10~20 parts of silane grafted polyethylene, 16~23 parts of polyether polyol, 7~14 parts of modification infusorial earth, 12~18 parts of expanded and vitrified small ball, 3~6 parts of cellulose ether, 2~4 parts of foaming agent, 1~3 part of ultra-violet absorber, 1~2 part of antioxidant.The heating system pipe special thermal insulation material flame retardant property is good, thermal coefficient is low, good heat insulating, and security performance is high, and manufacturing cost is low.
Description
Technical field
The invention belongs to heating system pipe special heat preservation technology fields, and in particular to a kind of heating system pipe special guarantor
Adiabator and preparation method thereof.
Background technology
Polyurethane foam plastics is the outstanding person in current all heat-insulating heat-preserving materials, is widely used in heat supply pipeline, refrigerator
All various aspects such as refrigerator-freezer, building heat preservation, in China, common heat distribution pipeline thermal insulation material has used for many years, and technology is opposite
Maturation, properties of product can meet requirement.But conventional polyurethanes hard bubble formed pipe generally existing is not fire-retardant, foam is inflammable
The problems such as burning, causes serious accident.
Invention content
The present invention provides a kind of heating system pipe special thermal insulation materials and preparation method thereof, solve above-mentioned background skill
The problems in art, the heating system pipe special thermal insulation material flame retardant property is good, thermal coefficient is low, good heat insulating, safety
Performance is high, and manufacturing cost is low.
It is of the existing technology in order to solve the problems, such as, it adopts the following technical scheme that：
A kind of heating system pipe special thermal insulation material, includes the raw material of following parts by weight：13~19 parts of UF foamed plastics powder,
30~45 parts of acrylic resin, 10~20 parts of silane grafted polyethylene, 16~23 parts of polyether polyol, modification infusorial earth 7~14
It is part, 12~18 parts of expanded and vitrified small ball, 3~6 parts of cellulose ether, 2~4 parts of foaming agent, 1~3 part of ultra-violet absorber, anti-oxidant
1~2 part of agent.
Preferably, the heating system pipe special thermal insulation material, includes the raw material of following parts by weight：UF foamed plastics
15~18 parts of powder, 14~18 parts of silane grafted polyethylene, 19~22 parts of polyether polyol, is modified 33~42 parts of acrylic resin
8~11 parts of diatomite, 15~17 parts of expanded and vitrified small ball, 4~5 parts of cellulose ether, 2.6~3.7 parts of foaming agent, ultraviolet radiation absorption
1.8~2.4 parts of agent, 1.3~1.7 parts of antioxidant.
Preferably, the heating system pipe special thermal insulation material, includes the raw material of following parts by weight：UF foamed plastics
17 parts of powder, 39 parts of acrylic resin, 15 parts of silane grafted polyethylene, 20 parts of polyether polyol, 10 parts of modification infusorial earth, expansion glass
Change 16 parts of microballon, 4.2 parts of cellulose ether, 3.3 parts of foaming agent, 2 parts of ultra-violet absorber, 1.4 parts of antioxidant.
Preferably, the silane grafted polyethylene is put into plastic extruder by polyethylene, silane, peroxide agent in 180
It mixes, be kneaded under the conditions of DEG C, cooling is granulated and is made.
Preferably, the modification infusorial earth is made by following methods：
In the sodium hydroxide solution of 0.07mol/L, the diatomite after the roasting of its 3 times of mass parts is added, then while stirring
Magnesium chloride solution is added dropwise, filtering to filtrate is in neutrality, and is ground after filtration cakes torrefaction and is obtained the modification infusorial earth.
Preferably, the foaming agent is 1,1,1- mono- fluorine dichloroethanes.
A method of the heating system pipe special thermal insulation material is prepared, is included the following steps：
（1）UF foamed plastics powder, acrylic resin, silane grafted polyethylene, polyether polyol, modification are weighed by above-mentioned formula
Diatomite, expanded and vitrified small ball, cellulose ether, foaming agent, ultra-violet absorber, antioxidant, it is spare；
（2）UF foamed plastics powder, acrylic resin, silane grafted polyethylene, polyether polyol and cellulose ether are set successively
Enter in kneading machine, be heated to 100 DEG C, is kneaded 30~60 minutes, obtains compounding mixture；
（3）Modification infusorial earth, expanded and vitrified small ball, ultra-violet absorber and antioxidant are sequentially added into compounding mixture,
It is uniformly mixed, adds foaming agent, be placed in foaming machine and carry out foaming processing, obtain foamed material；
（4）Foamed material is rapidly injected in mold and cures, demould, obtains the heating system pipe special thermal insulation material.
Preferably, the step（4）Middle hardening time is 3~6 hours, and solidification temperature is room temperature.
Compared with prior art, the present invention it has the advantages that：
Heating system pipe special thermal insulation material flame retardant property of the present invention is good, thermal coefficient is low, good heat insulating, safety
Can be high, manufacturing cost is low, specific as follows：
（1）Heating system pipe special thermal insulation material of the present invention is connect using UF foamed plastics powder, acrylic resin, silane
Branch polyethylene is mutually acted synergistically, heat insulation and preservation effect is good, and thermal coefficient is low between raw material as raw material；
（2）Expanded and vitrified small ball is added in heating system pipe special thermal insulation material raw material of the present invention, and expansion vitrification is micro-
Pearl is made of being heated at 1200 DEG C~1300 DEG C by special processing by pitchstone, water absorption rate itself is small, adiabatic, light, property
It can stablize, the thermal insulation material thermal coefficient prepared is small, and heat insulating effect is apparent；
（3）It is added to modification infusorial earth, modified diatom in heating system pipe special thermal insulation material raw material of the present invention
Native anti-flammability is strong, and corrosion resistance is strong, so good flame resistance of the present invention, resistance to corrosion are strong.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.These embodiments are merely to illustrate the present invention and do not have to
In limiting the scope of the invention.
Embodiment 1
The present embodiment is related to a kind of heating system pipe special thermal insulation material, includes the raw material of following parts by weight：Urea-formaldehyde foam is moulded
13 parts of feed powder, 30 parts of acrylic resin, 10 parts of silane grafted polyethylene, 16 parts of polyether polyol, 7 parts of modification infusorial earth, expansion
12 parts of glass bead, 3 parts of cellulose ether, 2 parts of foaming agent, 1 part of ultra-violet absorber, 1 part of antioxidant.
Wherein, the silane grafted polyethylene is put into plastic extruder by polyethylene, silane, peroxide agent in 180 DEG C
Under the conditions of mixing, be kneaded, cooling be granulated be made.
Wherein, the modification infusorial earth is made by following methods：
In the sodium hydroxide solution of 0.07mol/L, the diatomite after the roasting of its 3 times of mass parts is added, then while stirring
Magnesium chloride solution is added dropwise, filtering to filtrate is in neutrality, and is ground after filtration cakes torrefaction and is obtained the modification infusorial earth.
Wherein, the foaming agent is 1,1,1- mono- fluorine dichloroethanes.
A method of the heating system pipe special thermal insulation material is prepared, is included the following steps：
（1）UF foamed plastics powder, acrylic resin, silane grafted polyethylene, polyether polyol, modification are weighed by above-mentioned formula
Diatomite, expanded and vitrified small ball, cellulose ether, foaming agent, ultra-violet absorber, antioxidant, it is spare；
（2）UF foamed plastics powder, acrylic resin, silane grafted polyethylene, polyether polyol and cellulose ether are set successively
Enter in kneading machine, be heated to 100 DEG C, is kneaded 30 minutes, obtains compounding mixture；
（3）Modification infusorial earth, expanded and vitrified small ball, ultra-violet absorber and antioxidant are sequentially added into compounding mixture,
It is uniformly mixed, adds foaming agent, be placed in foaming machine and carry out foaming processing, obtain foamed material；
（4）Foamed material is rapidly injected in mold and cures, demould, obtains the heating system pipe special thermal insulation material.
Wherein, the step（4）Middle hardening time is 3 hours, and solidification temperature is room temperature.
Embodiment 2
The present embodiment is related to a kind of heating system pipe special thermal insulation material, includes the raw material of following parts by weight：Urea-formaldehyde foam is moulded
19 parts of feed powder, 45 parts of acrylic resin, 20 parts of silane grafted polyethylene, 23 parts of polyether polyol, 14 parts of modification infusorial earth, expansion
18 parts of glass bead, 6 parts of cellulose ether, 4 parts of foaming agent, 3 parts of ultra-violet absorber, 2 parts of antioxidant.
Wherein, the silane grafted polyethylene is put into plastic extruder by polyethylene, silane, peroxide agent in 180 DEG C
Under the conditions of mixing, be kneaded, cooling be granulated be made.
Wherein, the modification infusorial earth is made by following methods：
In the sodium hydroxide solution of 0.07mol/L, the diatomite after the roasting of its 3 times of mass parts is added, then while stirring
Magnesium chloride solution is added dropwise, filtering to filtrate is in neutrality, and is ground after filtration cakes torrefaction and is obtained the modification infusorial earth.
Wherein, the foaming agent is 1,1,1- mono- fluorine dichloroethanes.
A method of the heating system pipe special thermal insulation material is prepared, is included the following steps：
（1）UF foamed plastics powder, acrylic resin, silane grafted polyethylene, polyether polyol, modification are weighed by above-mentioned formula
Diatomite, expanded and vitrified small ball, cellulose ether, foaming agent, ultra-violet absorber, antioxidant, it is spare；
（2）UF foamed plastics powder, acrylic resin, silane grafted polyethylene, polyether polyol and cellulose ether are set successively
Enter in kneading machine, be heated to 100 DEG C, is kneaded 60 minutes, obtains compounding mixture；
（3）Modification infusorial earth, expanded and vitrified small ball, ultra-violet absorber and antioxidant are sequentially added into compounding mixture,
It is uniformly mixed, adds foaming agent, be placed in foaming machine and carry out foaming processing, obtain foamed material；
（4）Foamed material is rapidly injected in mold and cures, demould, obtains the heating system pipe special thermal insulation material.
Wherein, the step（4）Middle hardening time is 6 hours, and solidification temperature is room temperature.
Embodiment 3
The present embodiment is related to a kind of heating system pipe special thermal insulation material, includes the raw material of following parts by weight：Urea-formaldehyde foam is moulded
15 parts of feed powder, 33 parts of acrylic resin, 14 parts of silane grafted polyethylene, 19 parts of polyether polyol, 8 parts of modification infusorial earth, expansion
15 parts of glass bead, 4 parts of cellulose ether, 2.6 parts of foaming agent, 1.8 parts of ultra-violet absorber, 1.3 parts of antioxidant.
Wherein, the silane grafted polyethylene is put into plastic extruder by polyethylene, silane, peroxide agent in 180 DEG C
Under the conditions of mixing, be kneaded, cooling be granulated be made.
Wherein, the modification infusorial earth is made by following methods：
In the sodium hydroxide solution of 0.07mol/L, the diatomite after the roasting of its 3 times of mass parts is added, then while stirring
Magnesium chloride solution is added dropwise, filtering to filtrate is in neutrality, and is ground after filtration cakes torrefaction and is obtained the modification infusorial earth.
Wherein, the foaming agent is 1,1,1- mono- fluorine dichloroethanes.
A method of the heating system pipe special thermal insulation material is prepared, is included the following steps：
（1）UF foamed plastics powder, acrylic resin, silane grafted polyethylene, polyether polyol, modification are weighed by above-mentioned formula
Diatomite, expanded and vitrified small ball, cellulose ether, foaming agent, ultra-violet absorber, antioxidant, it is spare；
（2）UF foamed plastics powder, acrylic resin, silane grafted polyethylene, polyether polyol and cellulose ether are set successively
Enter in kneading machine, be heated to 100 DEG C, is kneaded 40 minutes, obtains compounding mixture；
（3）Modification infusorial earth, expanded and vitrified small ball, ultra-violet absorber and antioxidant are sequentially added into compounding mixture,
It is uniformly mixed, adds foaming agent, be placed in foaming machine and carry out foaming processing, obtain foamed material；
（4）Foamed material is rapidly injected in mold and cures, demould, obtains the heating system pipe special thermal insulation material.
Wherein, the step（4）Middle hardening time is 4 hours, and solidification temperature is room temperature.
Embodiment 4
The present embodiment is related to a kind of heating system pipe special thermal insulation material, includes the raw material of following parts by weight：Urea-formaldehyde foam is moulded
18 parts of feed powder, 42 parts of acrylic resin, 18 parts of silane grafted polyethylene, 22 parts of polyether polyol, 11 parts of modification infusorial earth, expansion
17 parts of glass bead, 5 parts of cellulose ether, 3.7 parts of foaming agent, 2.4 parts of ultra-violet absorber, 1.7 parts of antioxidant.
Wherein, the silane grafted polyethylene is put into plastic extruder by polyethylene, silane, peroxide agent in 180 DEG C
Under the conditions of mixing, be kneaded, cooling be granulated be made.
Wherein, the modification infusorial earth is made by following methods：
In the sodium hydroxide solution of 0.07mol/L, the diatomite after the roasting of its 3 times of mass parts is added, then while stirring
Magnesium chloride solution is added dropwise, filtering to filtrate is in neutrality, and is ground after filtration cakes torrefaction and is obtained the modification infusorial earth.
Wherein, the foaming agent is 1,1,1- mono- fluorine dichloroethanes.
A method of the heating system pipe special thermal insulation material is prepared, is included the following steps：
（1）UF foamed plastics powder, acrylic resin, silane grafted polyethylene, polyether polyol, modification are weighed by above-mentioned formula
Diatomite, expanded and vitrified small ball, cellulose ether, foaming agent, ultra-violet absorber, antioxidant, it is spare；
（2）UF foamed plastics powder, acrylic resin, silane grafted polyethylene, polyether polyol and cellulose ether are set successively
Enter in kneading machine, be heated to 100 DEG C, is kneaded 45 minutes, obtains compounding mixture；
（3）Modification infusorial earth, expanded and vitrified small ball, ultra-violet absorber and antioxidant are sequentially added into compounding mixture,
It is uniformly mixed, adds foaming agent, be placed in foaming machine and carry out foaming processing, obtain foamed material；
（4）Foamed material is rapidly injected in mold and cures, demould, obtains the heating system pipe special thermal insulation material.
Wherein, the step（4）Middle hardening time is 4.5 hours, and solidification temperature is room temperature.
Embodiment 5
The present embodiment is related to a kind of heating system pipe special thermal insulation material, includes the raw material of following parts by weight：Urea-formaldehyde foam is moulded
17 parts of feed powder, 39 parts of acrylic resin, 15 parts of silane grafted polyethylene, 20 parts of polyether polyol, 10 parts of modification infusorial earth, expansion
16 parts of glass bead, 4.2 parts of cellulose ether, 3.3 parts of foaming agent, 2 parts of ultra-violet absorber, 1.4 parts of antioxidant.
Wherein, the silane grafted polyethylene is put into plastic extruder by polyethylene, silane, peroxide agent in 180 DEG C
Under the conditions of mixing, be kneaded, cooling be granulated be made.
Wherein, the modification infusorial earth is made by following methods：
In the sodium hydroxide solution of 0.07mol/L, the diatomite after the roasting of its 3 times of mass parts is added, then while stirring
Magnesium chloride solution is added dropwise, filtering to filtrate is in neutrality, and is ground after filtration cakes torrefaction and is obtained the modification infusorial earth.
Wherein, the foaming agent is 1,1,1- mono- fluorine dichloroethanes.
A method of the heating system pipe special thermal insulation material is prepared, is included the following steps：
（1）UF foamed plastics powder, acrylic resin, silane grafted polyethylene, polyether polyol, modification are weighed by above-mentioned formula
Diatomite, expanded and vitrified small ball, cellulose ether, foaming agent, ultra-violet absorber, antioxidant, it is spare；
（2）UF foamed plastics powder, acrylic resin, silane grafted polyethylene, polyether polyol and cellulose ether are set successively
Enter in kneading machine, be heated to 100 DEG C, is kneaded 50 minutes, obtains compounding mixture；
（3）Modification infusorial earth, expanded and vitrified small ball, ultra-violet absorber and antioxidant are sequentially added into compounding mixture,
It is uniformly mixed, adds foaming agent, be placed in foaming machine and carry out foaming processing, obtain foamed material；
（4）Foamed material is rapidly injected in mold and cures, demould, obtains the heating system pipe special thermal insulation material.
Wherein, the step（4）Middle hardening time is 5 hours, and solidification temperature is room temperature.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
1. a kind of heating system pipe special thermal insulation material, which is characterized in that include the raw material of following parts by weight：Urea-formaldehyde foam is moulded
13~19 parts of feed powder, 10~20 parts of silane grafted polyethylene, 16~23 parts of polyether polyol, changes 30~45 parts of acrylic resin
7~14 parts of diatomite of property, 12~18 parts of expanded and vitrified small ball, 3~6 parts of cellulose ether, 2~4 parts of foaming agent, ultra-violet absorber
1~3 part, 1~2 part of antioxidant.
2. heating system pipe special thermal insulation material according to claim 1, which is characterized in that including following parts by weight
Raw material：15~18 parts of UF foamed plastics powder, 33~42 parts of acrylic resin, 14~18 parts of silane grafted polyethylene, polyethers are more
19~22 parts of first alcohol, 8~11 parts of modification infusorial earth, 15~17 parts of expanded and vitrified small ball, 4~5 parts of cellulose ether, foaming agent 2.6
~3.7 parts, 1.8~2.4 parts of ultra-violet absorber, 1.3~1.7 parts of antioxidant.
3. heating system pipe special thermal insulation material according to claim 1, which is characterized in that including following parts by weight
Raw material：17 parts of UF foamed plastics powder, 15 parts of silane grafted polyethylene, 20 parts of polyether polyol, is modified 39 parts of acrylic resin
It is 10 parts of diatomite, 16 parts of expanded and vitrified small ball, 4.2 parts of cellulose ether, 3.3 parts of foaming agent, 2 parts of ultra-violet absorber, anti-oxidant
1.4 parts of agent.
4. heating system pipe special thermal insulation material according to claim 1, which is characterized in that the poly- second of Silane Grafted
Alkene is put into plastic extruder mixing, mixing, cooling granulation under the conditions of 180 DEG C by polyethylene, silane, peroxide agent and is made.
5. heating system pipe special thermal insulation material according to claim 1, which is characterized in that the modification infusorial earth by
Following methods are made：
In the sodium hydroxide solution of 0.07mol/L, the diatomite after the roasting of its 3 times of mass parts is added, then while stirring
Magnesium chloride solution is added dropwise, filtering to filtrate is in neutrality, and is ground after filtration cakes torrefaction and is obtained the modification infusorial earth.
6. heating system pipe special thermal insulation material according to claim 1, which is characterized in that the foaming agent is 1,1,
Mono- fluorine dichloroethanes of 1-.
7. a kind of method preparing any one of claim 1~6 heating system pipe special thermal insulation material, feature exist
In including the following steps：
（1）UF foamed plastics powder, acrylic resin, silane grafted polyethylene, polyether polyol, modification are weighed by above-mentioned formula
Diatomite, expanded and vitrified small ball, cellulose ether, foaming agent, ultra-violet absorber, antioxidant, it is spare；
（2）UF foamed plastics powder, acrylic resin, silane grafted polyethylene, polyether polyol and cellulose ether are set successively
Enter in kneading machine, be heated to 100 DEG C, is kneaded 30~60 minutes, obtains compounding mixture；
（3）Modification infusorial earth, expanded and vitrified small ball, ultra-violet absorber and antioxidant are sequentially added into compounding mixture,
It is uniformly mixed, adds foaming agent, be placed in foaming machine and carry out foaming processing, obtain foamed material；
（4）Foamed material is rapidly injected in mold and cures, demould, obtains the heating system pipe special thermal insulation material.
8. preparation method according to claim 7, which is characterized in that the step（4）Middle hardening time is 3~6 hours,
Solidification temperature is room temperature.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108948534A (en) * | 2018-07-26 | 2018-12-07 | 合肥帧讯低温科技有限公司 | A kind of insulation supplying pipe and preparation method thereof |
| CN109836814A (en) * | 2019-01-27 | 2019-06-04 | 余姚市舜辰新材料科技有限公司 | A kind of PA6 formula with heat insulating and corrosion function |
| CN111097116A (en) * | 2019-11-22 | 2020-05-05 | 国网浙江省电力有限公司嘉兴供电公司 | Data center fire extinguishing system based on ubiquitous power internet of things |
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2018
- 2018-02-07 CN CN201810121798.3A patent/CN108276676A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108948534A (en) * | 2018-07-26 | 2018-12-07 | 合肥帧讯低温科技有限公司 | A kind of insulation supplying pipe and preparation method thereof |
| CN109836814A (en) * | 2019-01-27 | 2019-06-04 | 余姚市舜辰新材料科技有限公司 | A kind of PA6 formula with heat insulating and corrosion function |
| CN111097116A (en) * | 2019-11-22 | 2020-05-05 | 国网浙江省电力有限公司嘉兴供电公司 | Data center fire extinguishing system based on ubiquitous power internet of things |
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Application publication date: 20180713 |