CN109517273A - A kind of PPR feed pipe and preparation method thereof - Google Patents
A kind of PPR feed pipe and preparation method thereof Download PDFInfo
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- CN109517273A CN109517273A CN201811355278.5A CN201811355278A CN109517273A CN 109517273 A CN109517273 A CN 109517273A CN 201811355278 A CN201811355278 A CN 201811355278A CN 109517273 A CN109517273 A CN 109517273A
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C—CHEMISTRY; METALLURGY
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Abstract
The present invention relates to a kind of PPR feed pipes and preparation method thereof.The PPR feed pipe is by polypropylene powder, polyurethane-modified polypropylene, polyamide modified polypropylene and silica sol modified polypropylene composition, the polyurethane-modified polypropylene is by polypropylene powder, methyl diphenylene diisocyanate, polytetrahydrofuran ether glycol, modified glycerol, dibutyl tin dilaurate, 1, 4- butanediol and maleic acid anhydride reactant are made, the modified glycerol is by glycerol, acrylic acid, Isooctyl acrylate monomer, 2-ethyl hexyl acrylate, SR-10 emulsifier, alchlor and the reaction of 184 photoinitiators are made, the polyamide modified polypropylene is by polypropylene powder, PA66 staple fiber, maleic anhydride, silicon rubber, nitrile rubber and SEBS reaction are made, the silica sol modified polypropylene is by polypropylene powder, silica solution, A-173 silane coupling agent and methyl vinyl phenyl silicon rubber are anti- It should be made.PPR feed pipe provided by the invention has excellent hydrostatic performance and resistance to low temperature.
Description
Technical field
The present invention relates to water-feeding pipes fields, and in particular to a kind of PPR feed pipe and preparation method thereof.
Background technique
With the continuous maturation of common PPR water-feeding pipes technology and application, currently, being directed to the functional PPR of specific occasion
The market share of water-feeding pipes constantly expands, and in order to adapt to the variation in PPR water-feeding pipes market, PPR water-feeding pipes producer needs
Promote the functional customized demand to adapt to high-end PPR water-feeding pipes market of PPR water-feeding pipes.Due to common PPR feed pipe
The resistance to low temperature of material is relatively low.Therefore, PPR water-feeding pipes need to improve in terms of resistance to low temperature.
Summary of the invention
The purpose of the present invention is to provide a kind of PPR feed pipe, the PPR feed pipe is using polypropylene powder, polyurethane-modified
Polypropylene, polyamide modified polypropylene and silica sol modified polypropylene are prepared, and have excellent resistance to low temperature and hydrostatic
Press performance.
Another object of the present invention is to provide the preparation methods of above-mentioned PPR feed pipe.
To achieve the goals above, technical scheme is as follows:
A kind of PPR feed pipe is 78:15~23:13~17:21~29 polypropylene powder, polyurethane by mass parts ratio
Modified polypropene, polyamide modified polypropylene and silica sol modified polypropylene composition；Wherein, the polyurethane-modified polypropylene
It is 59:62~69:28~31:14~15:0.3~1:5~6:3~7 polypropylene powder, diphenyl methane two by mass parts ratio
Isocyanates, polytetrahydrofuran ether glycol, modified glycerol, dibutyl tin dilaurate, 1,4- butanediol and maleic anhydride
Reaction is made；The modified glycerol by mass parts ratio be 52:23~30:12~18:9~13:1~3:0.3~1:0.3~
1 glycerol, acrylic acid, Isooctyl acrylate monomer, 2-ethyl hexyl acrylate, SR-10 emulsifier, alchlor and the reaction of 184 photoinitiators
It is made；The polyamide modified polypropylene is poly- by mass parts ratio 71:16~22:7~11:9~14:13~20:5~8
Propylene powder, PA66 staple fiber, maleic anhydride, silicon rubber, nitrile rubber and SEBS reaction are made；Described is silica sol modified
Polypropylene is 45:37~50:1~6:9~16 polypropylene powder, silica solution, A-173 silane coupling agent and first by mass parts ratio
The reaction of base ethenylphenyl silicon rubber is made.
Preferably, the polypropylene powder, polyurethane-modified polypropylene, polyamide modified polypropylene and silica sol modified poly-
The mass parts ratio of propylene is 78:19:15:25.3.
The preparation method of above-mentioned PPR feed pipe, includes the following steps:
(1), by polypropylene powder and be added in open mill, mill 7min under the conditions of 217~228 DEG C, by silica solution and
The silane coupled agent composition of A-173, which divides 5 times, is sprayed at polypropylene powder and methyl vinyl phenyl silastic mixture surface, every time
Sprinkling interval time is 5min, after to be sprayed, maintain to continue mill 8min under above-mentioned reaction condition, product is crushed and turned
It moves in extruder, with extruder in 218~230 DEG C of extruding pelletizations of temperature, obtains silica sol modified polypropylene；The silicon is molten
The purpose of glue, methyl vinyl phenyl silicon rubber and A-173 silane coupling agent is to improve polyacrylic rigidity and lower temperature resistance；
(2), by -80 DEG C of freeze-drying 5h of PA66 staple fiber warp, after pulverizer crushes, by PA66 staple fiber powder and silicon rubber
Glue, nitrile rubber and SEBS are added in open mill, and mill 9min under the conditions of 211~220 DEG C adds maleic anhydride
It into open mill, maintains to continue mill 5min under above-mentioned reaction condition, polypropylene powder is added in open mill, remain above-mentioned anti-
Continue mill 10min under the conditions of answering, product is crushed and is transferred in extruder, is squeezed out with extruder at 215~223 DEG C of temperature
It is granulated, obtains polyamide modified polypropylene；The purpose of the PA66 staple fiber is to improve polyacrylic mechanical property；
(3), glycerol, acrylic acid and alchlor are added in reaction kettle, mixing speed 120r/min, reaction temperature
For 127~152 DEG C, -0.08MPa 0.5~4h of reduced-pressure backflow, by reaction kettle pressure release and be cooled to 50 DEG C, by Isooctyl acrylate monomer,
2-ethyl hexyl acrylate, SR-10 emulsifier and 184 photoinitiators are added in reaction kettle, maintain under above-mentioned reaction condition that the reaction was continued
36min, product is through 1000~3000W, 5~13s of lamp and high pressure mercury, and product is through 600mL water supersound washing 3 times, 500mL ethyl alcohol
It washs 2 times, dry to get modified glycerol is arrived；The purpose of the Isooctyl acrylate monomer and 2-ethyl hexyl acrylate is to improve glycerol
Lower temperature resistance；
(4), by polypropylene powder, methyl diphenylene diisocyanate, polytetrahydrofuran ether glycol, modified glycerol, two laurels
Sour dibutyl tin and 1,4-butanediol are added in reaction kettle, mixing speed 95r/min, and 86~105 DEG C of maintenance system temperature
Under the conditions of react 1.5~3h, temperature of reaction kettle is warming up to 115 DEG C of reaction 35min, maleic anhydride is added to reaction kettle
In, product is crushed and is transferred in extruder, with extruder in temperature by the 30min that maintains under above-mentioned reaction condition that the reaction was continued
217~225 DEG C of extruding pelletizations to get arrive polyurethane-modified polypropylene；The purpose of the modified glycerol is to improve polypropylene
Resistance to low temperature；
(5), polypropylene powder, polyurethane-modified polypropylene, polyamide modified polypropylene and silica sol modified polypropylene are added
Enter into high-speed mixer, with high-speed mixer in 199~207 DEG C of 1~5min of hybrid reaction of temperature, with extruder in temperature
217~236 DEG C of extrusion moldings to get arrive PPR feed pipe.
The beneficial effects of the present invention are:
1, the mode of silica solution and A-173 silane coupling agent through repeatedly spraying is added to polypropylene powder and methyl ethylene benzene
Base silastic surface can improve silica solution and A-173 the silane coupling agent dispersion stabilization in polypropylene powder, because of silica solution and first
Base ethenylphenyl silicon rubber has excellent resistance to low temperature, and the silica sol modified polypropylene of preparation can improve PPR feed pipe
Lower temperature resistance；
2, it after PA66 staple fiber is freeze-dried, can be easier to crush and be dispersed in silicon rubber, nitrile rubber and SEBS,
The blend of preparation with it is polypropene blended, dispersion stabilization of the PA66 staple fiber in polypropylene, the polyamide of preparation can be improved
Modified polypropene can improve the hydrostatic of PPR because of the lower temperature resistance of silicon rubber, nitrile rubber and SEBS and the strong mechanical performance of PA66
Press performance and lower temperature resistance；
3, glycerol surface can improve the chemical activity on glycerol surface after acrylic acid is surface modified, different with acrylic acid
Monooctyl ester, 2-ethyl hexyl acrylate carry out photochemical reaction, Isooctyl acrylate monomer, 2-ethyl hexyl acrylate are grafted to glycerol surface, hence it is evident that change
The resistance to low temperature of kind glycerol, the modified glycerol of preparation can be obviously improved the resistance to of polyurethane material because of surface grafting low temperature material
Cryogenic property；
4, polypropylene is dispersed in polyurethane material synthesis material, can be obviously improved dispersion of the polypropylene in material
Property, the polyurethane cladding polypropylene material of preparation is squeezed out be blended and be granulated after, polypropylene and polyurethane material can be obviously improved
Compatibility, the polyurethane-modified polypropylene of preparation is because containing low temperature resistant chain extender modified glycerol and soft segment polytetrahydrofuran ether glycol
The resistance to low temperature of PPR feed pipe can be obviously improved；
5, it is cooperateed in polypropylene powder, polyurethane-modified polypropylene, polyamide modified polypropylene and silica sol modified polypropylene
Under effect, assign PPR feed pipe excellent hydrostatic performance and resistance to low temperature.
Specific embodiment
A specific embodiment of the invention is described below with reference to embodiment, to better understand the present invention.This
It is a little that examples are only for illustrating the present invention and not for limiting the scope of the present invention.Actual conditions are not specified in lower example embodiment
Experimental method, usually according to this field normal condition or the condition suggested according to manufacturer；Used raw material, reagent etc.,
It unless otherwise specified, is the raw materials and reagents that can be obtained from commercial sources such as conventional markets.Those skilled in the art is at this
The variation and replacement of any unsubstantiality done on the basis of invention belong to scope of the present invention.
Embodiment 1
A kind of PPR feed pipe, preparation method includes the following steps:
(1), 45 parts of polypropylene powders are weighed and 12.6 parts of methyl vinyl phenyl silicon rubber are added in open mill, 223
46 parts of silica solution and 3.1 parts of silane coupled agent compositions of A-173 are divided 5 times and are sprayed at polypropylene powder by mill 7min under the conditions of DEG C
With methyl vinyl phenyl silastic mixture surface, spraying interval time every time is 5min, after to be sprayed, is maintained above-mentioned
Continue mill 8min under reaction condition, product is crushed and is transferred in extruder, is made with extruder in 226 DEG C of extrusions of temperature
Grain, obtains silica sol modified polypropylene；
(2), -80 DEG C of freeze-drying 5h of 18.8 parts of PA66 staple fiber warps are weighed, after pulverizer crushes, by PA66 staple fiber
Powder and 11.9 parts of silicon rubber, 17.5 parts of nitrile rubbers and 6.3 parts of SEBS are added in open mill, mill under the conditions of 216 DEG C
9.8 parts of maleic anhydrides are added in open mill by 9min, maintain to continue mill 5min under above-mentioned reaction condition, by 71 parts
Polypropylene powder is added in open mill, maintains to continue mill 10min under above-mentioned reaction condition, product is crushed and is transferred to extrusion
In machine, with extruder in 219 DEG C of extruding pelletizations of temperature, polyamide modified polypropylene is obtained；
(3), it weighs 52 parts of glycerol, 27 parts of acrylic acid and 0.4 part of alchlor to be added in reaction kettle, mixing speed is
120r/min, reaction temperature are 139 DEG C, -0.08MPa reduced-pressure backflow 3.5h, by reaction kettle pressure release and 50 DEG C are cooled to, by 16.5
Part Isooctyl acrylate monomer, 11.6 parts of 2-ethyl hexyl acrylates, 2.2 parts of SR-10 emulsifiers and 0.4 part of 184 photoinitiator are added to reaction
In kettle, the 36min that maintains under above-mentioned reaction condition that the reaction was continued, product is through 3000W lamp and high pressure mercury 8s, and product is through 600mL water
It is supersound washing 3 times, 500mL ethanol washing 2 times, dry to get arriving modified glycerol；
(4), weigh 59 parts of polypropylene powders, 66 parts of methyl diphenylene diisocyanates, 30 parts of polytetrahydrofuran ether glycol,
14.5 parts of modified glycerols, 0.4 part of dibutyl tin dilaurate and 5.5 parts of 1,4-butanediol are added in reaction kettle, mixing speed
For 95r/min, 2h is reacted under the conditions of 91 DEG C of maintenance system temperature, temperature of reaction kettle is warming up to 115 DEG C of reaction 35min, by 4.5
Part maleic anhydride is added in reaction kettle, the 30min that maintains under above-mentioned reaction condition that the reaction was continued, and product is crushed and shifted
Into extruder, with extruder 222 DEG C of extruding pelletizations of temperature to get arrive polyurethane-modified polypropylene；
(5), 78 parts of polypropylene powders, 19 parts of polyurethane-modified polypropylene, 15 parts of polyamide modified polypropylene and 25.3 are weighed
The silica sol modified polypropylene of part is added in high-speed mixer, with high-speed mixer in 203 DEG C of hybrid reaction 2.5min of temperature, is used
Extruder 230 DEG C of extrusion moldings of temperature to get arrive PPR feed pipe.
Embodiment 2
A kind of PPR feed pipe, preparation method includes the following steps:
(1), 45 parts of polypropylene powders are weighed and 9 parts of methyl vinyl phenyl silicon rubber are added in open mill, in 217 DEG C of items
37 parts of silica solution and 1 part of silane coupled agent composition of A-173 are divided 5 times and are sprayed at polypropylene powder and methyl by mill 7min under part
Ethenylphenyl silastic mixture surface, spraying interval time every time is 5min, after to be sprayed, maintains above-mentioned reaction item
Continue mill 8min under part, product is crushed and is transferred in extruder, with extruder in 218 DEG C of extruding pelletizations of temperature, is obtained
Silica sol modified polypropylene；
(2), -80 DEG C of freeze-drying 5h of 16 parts of PA66 staple fiber warps are weighed, after pulverizer crushes, by PA66 staple fiber powder
It is added in open mill with 9 parts of silicon rubber, 13 parts of nitrile rubbers and 5 parts of SEBS, mill 9min under the conditions of 211 DEG C is suitable by 7 parts
Anhydride maleique is added in open mill, maintains to continue mill 5min under above-mentioned reaction condition, 71 parts of polypropylene powders are added to
In open mill, maintains to continue mill 10min under above-mentioned reaction condition, product is crushed and is transferred in extruder, extruder is used
In 215 DEG C of extruding pelletizations of temperature, polyamide modified polypropylene is obtained；
(3), it weighs 52 parts of glycerol, 23 parts of acrylic acid and 0.3 part of alchlor to be added in reaction kettle, mixing speed is
120r/min, reaction temperature are 127 DEG C, -0.08MPa reduced-pressure backflow 4h, by reaction kettle pressure release and 50 DEG C are cooled to, by 12 part third
The different monooctyl ester of olefin(e) acid, 9 parts of 2-ethyl hexyl acrylates, 1 part of SR-10 emulsifier and 0.3 part of 184 photoinitiator are added in reaction kettle, are maintained
The reaction was continued under above-mentioned reaction condition 36min, product is through 1000W lamp and high pressure mercury 13s, and product is through 600mL water supersound washing 3
It is secondary, 500mL ethanol washing 2 times, dry to get arriving modified glycerol；
(4), 59 parts of polypropylene powders, 62 parts of methyl diphenylene diisocyanates, 28 parts of polytetrahydrofuran ether glycol, 14 are weighed
Part modified glycerol, 0.3 part of dibutyl tin dilaurate and 5 parts of 1,4-butanediol are added in reaction kettle, mixing speed 95r/
Min reacts 3h under the conditions of 86 DEG C of maintenance system temperature, temperature of reaction kettle is warming up to 115 DEG C of reaction 35min, by 3 parts of maleics
Dicarboxylic anhydride is added in reaction kettle, the 30min that maintains under above-mentioned reaction condition that the reaction was continued, and product is crushed and is transferred to extruder
In, with extruder 217 DEG C of extruding pelletizations of temperature to get arrive polyurethane-modified polypropylene；
(5), 78 parts of polypropylene powders, 15 parts of polyurethane-modified polypropylene, 13 parts of polyamide modified polypropylene and 21 parts are weighed
Silica sol modified polypropylene is added in high-speed mixer, with high-speed mixer in 199 DEG C of hybrid reaction 5min of temperature, with extrusion
Machine 217 DEG C of extrusion moldings of temperature to get arrive PPR feed pipe.
Embodiment 3
A kind of PPR feed pipe, preparation method includes the following steps:
(1), 45 parts of polypropylene powders are weighed and 16 parts of methyl vinyl phenyl silicon rubber are added in open mill, at 228 DEG C
Under the conditions of mill 7min, 50 parts of silica solution and 6 parts of silane coupled agent compositions of A-173 point 5 times are sprayed at polypropylene powder and first
Base ethenylphenyl silastic mixture surface, spraying interval time every time is 5min, after to be sprayed, maintains above-mentioned reaction
Under the conditions of continue mill 8min, product is crushed and is transferred in extruder, with extruder in 230 DEG C of extruding pelletizations of temperature, is obtained
To silica sol modified polypropylene；
(2), -80 DEG C of freeze-drying 5h of 22 parts of PA66 staple fiber warps are weighed, after pulverizer crushes, by PA66 staple fiber powder
It is added in open mill with 14 parts of silicon rubber, 20 parts of nitrile rubbers and 8 parts of SEBS, mill 9min under the conditions of 220 DEG C, by 11 parts
Maleic anhydride is added in open mill, maintains to continue mill 5min under above-mentioned reaction condition, 71 parts of polypropylene powders are added
Into open mill, maintains to continue mill 10min under above-mentioned reaction condition, product is crushed and is transferred in extruder, with extrusion
Machine obtains polyamide modified polypropylene in 223 DEG C of extruding pelletizations of temperature；
(3), it weighs 52 parts of glycerol, 30 parts of acrylic acid and 1 part of alchlor to be added in reaction kettle, mixing speed is
120r/min, reaction temperature are 152 DEG C, -0.08MPa reduced-pressure backflow 0.5h, by reaction kettle pressure release and 50 DEG C are cooled to, by 18 parts
Isooctyl acrylate monomer, 13 parts of 2-ethyl hexyl acrylates, 3 parts of SR-10 emulsifiers and 1 part of 184 photoinitiator are added in reaction kettle, are maintained
The reaction was continued under above-mentioned reaction condition 36min, product is through 3000W lamp and high pressure mercury 5s, and product is through 600mL water supersound washing 3
It is secondary, 500mL ethanol washing 2 times, dry to get arriving modified glycerol；
(4), 59 parts of polypropylene powders, 69 parts of methyl diphenylene diisocyanates, 31 parts of polytetrahydrofuran ether glycol, 15 are weighed
Part modified glycerol, 1 part of dibutyl tin dilaurate and 6 parts of 1,4-butanediol are added in reaction kettle, mixing speed 95r/
Min reacts 1.5h under the conditions of 105 DEG C of maintenance system temperature, and temperature of reaction kettle is warming up to 115 DEG C of reaction 35min, suitable by 7 parts
Anhydride maleique is added in reaction kettle, the 30min that maintains under above-mentioned reaction condition that the reaction was continued, and product is crushed and is transferred to crowded
Out in machine, with extruder 225 DEG C of extruding pelletizations of temperature to get arrive polyurethane-modified polypropylene；
(5), 78 parts of polypropylene powders, 23 parts of polyurethane-modified polypropylene, 17 parts of polyamide modified polypropylene and 29 parts are weighed
Silica sol modified polypropylene is added in high-speed mixer, with high-speed mixer in 207 DEG C of hybrid reaction 1min of temperature, with extrusion
Machine 236 DEG C of extrusion moldings of temperature to get arrive PPR feed pipe.
Embodiment 4
A kind of PPR feed pipe, preparation method includes the following steps:
(1), 45 parts of polypropylene powders are weighed and 9.3 parts of methyl vinyl phenyl silicon rubber are added in open mill, at 218 DEG C
Under the conditions of mill 7min, by 39 parts of silica solution and 1.3 parts of silane coupled agent compositions of A-173 point 5 times be sprayed at polypropylene powder and
Methyl vinyl phenyl silastic mixture surface, spraying interval time every time is 5min, after to be sprayed, remains above-mentioned anti-
Continue mill 8min under the conditions of answering, product is crushed and is transferred in extruder, with extruder in 219 DEG C of extruding pelletizations of temperature,
Obtain silica sol modified polypropylene；
(2), -80 DEG C of freeze-drying 5h of 16.8 parts of PA66 staple fiber warps are weighed, after pulverizer crushes, by PA66 staple fiber
Powder and 9.7 parts of silicon rubber, 13.6 parts of nitrile rubbers and 5.2 parts of SEBS are added in open mill, mill under the conditions of 213 DEG C
7.1 parts of maleic anhydrides are added in open mill by 9min, maintain to continue mill 5min under above-mentioned reaction condition, by 71 parts
Polypropylene powder is added in open mill, maintains to continue mill 10min under above-mentioned reaction condition, product is crushed and is transferred to extrusion
In machine, with extruder in 216 DEG C of extruding pelletizations of temperature, polyamide modified polypropylene is obtained；
(3), it weighs 52 parts of glycerol, 23.8 parts of acrylic acid and 0.4 part of alchlor to be added in reaction kettle, mixing speed is
120r/min, reaction temperature are 129 DEG C, -0.08MPa reduced-pressure backflow 0.8h, by reaction kettle pressure release and 50 DEG C are cooled to, by 12.3
Part Isooctyl acrylate monomer, 9.6 parts of 2-ethyl hexyl acrylates, 1.2 parts of SR-10 emulsifiers and 0.4 part of 184 photoinitiator are added to reaction kettle
In, the 36min that maintains under above-mentioned reaction condition that the reaction was continued, for product through 1000W lamp and high pressure mercury 6s, product is super through 600mL water
Sound wash 3 times, it is 500mL ethanol washing 2 times, dry to get arriving modified glycerol；
(4), 59 parts of polypropylene powders, 62.8 parts of methyl diphenylene diisocyanates, 28.7 parts of polytetrahydrofuran ether two are weighed
Alcohol, 14.1 parts of modified glycerols, 0.4 part of dibutyl tin dilaurate and 5.8 parts of 1,4-butanediol are added in reaction kettle, stirring speed
Degree is 95r/min, reacts 1.7h under the conditions of 87 DEG C of maintenance system temperature, temperature of reaction kettle is warming up to 115 DEG C of reaction 35min,
3.6 parts of maleic anhydrides are added in reaction kettle, the 30min that maintains under above-mentioned reaction condition that the reaction was continued crushes product
And be transferred in extruder, with extruder 218 DEG C of extruding pelletizations of temperature to get arrive polyurethane-modified polypropylene；
(5), weigh 78 parts of polypropylene powders, 15.7 parts of polyurethane-modified polypropylene, 13.6 parts of polyamide modified polypropylene and
22 parts of silica sol modified polypropylene are added in high-speed mixer, with high-speed mixer in 200 DEG C of hybrid reaction 1.5min of temperature,
With extruder 218 DEG C of extrusion moldings of temperature to get arrive PPR feed pipe.
Embodiment 5
A kind of PPR feed pipe, preparation method includes the following steps:
(1), 45 parts of polypropylene powders are weighed and 10.7 parts of methyl vinyl phenyl silicon rubber are added in open mill, 221
41 parts of silica solution and 2.5 parts of silane coupled agent compositions of A-173 are divided 5 times and are sprayed at polypropylene powder by mill 7min under the conditions of DEG C
With methyl vinyl phenyl silastic mixture surface, spraying interval time every time is 5min, after to be sprayed, is maintained above-mentioned
Continue mill 8min under reaction condition, product is crushed and is transferred in extruder, is made with extruder in 222 DEG C of extrusions of temperature
Grain, obtains silica sol modified polypropylene；
(2), -80 DEG C of freeze-drying 5h of 18.5 parts of PA66 staple fiber warps are weighed, after pulverizer crushes, by PA66 staple fiber
Powder and 11.2 parts of silicon rubber, 15.6 parts of nitrile rubbers and 5.9 parts of SEBS are added in open mill, mill under the conditions of 214 DEG C
9.5 parts of maleic anhydrides are added in open mill by 9min, maintain to continue mill 5min under above-mentioned reaction condition, by 71 parts
Polypropylene powder is added in open mill, maintains to continue mill 10min under above-mentioned reaction condition, product is crushed and is transferred to extrusion
In machine, with extruder in 218 DEG C of extruding pelletizations of temperature, polyamide modified polypropylene is obtained；
(3), it weighs 52 parts of glycerol, 25.6 parts of acrylic acid and 0.6 part of alchlor to be added in reaction kettle, mixing speed is
120r/min, reaction temperature are 132 DEG C, -0.08MPa reduced-pressure backflow 1.6h, by reaction kettle pressure release and 50 DEG C are cooled to, by 14.3
Part Isooctyl acrylate monomer, 10.7 parts of 2-ethyl hexyl acrylates, 1.9 parts of SR-10 emulsifiers and 0.6 part of 184 photoinitiator are added to reaction
In kettle, the 36min that maintains under above-mentioned reaction condition that the reaction was continued, product is through 1000W lamp and high pressure mercury 12s, and product is through 600mL water
It is supersound washing 3 times, 500mL ethanol washing 2 times, dry to get arriving modified glycerol；
(4), weigh 59 parts of polypropylene powders, 65 parts of methyl diphenylene diisocyanates, 28.8 parts of polytetrahydrofuran ether glycol,
14.4 parts of modified glycerols, 0.6 part of dibutyl tin dilaurate and 5.3 parts of 1,4-butanediol are added in reaction kettle, mixing speed
For 95r/min, 1.9h is reacted under the conditions of 93 DEG C of maintenance system temperature, temperature of reaction kettle is warming up to 115 DEG C of reaction 35min, it will
4.5 parts of maleic anhydrides are added in reaction kettle, the 30min that maintains under above-mentioned reaction condition that the reaction was continued, and product is crushed simultaneously
Be transferred in extruder, with extruder 219 DEG C of extruding pelletizations of temperature to get arrive polyurethane-modified polypropylene；
(5), weigh 78 parts of polypropylene powders, 17.3 parts of polyurethane-modified polypropylene, 14.6 parts of polyamide modified polypropylene and
23.7 parts of silica sol modified polypropylene are added in high-speed mixer, with high-speed mixer in 201 DEG C of hybrid reaction 3min of temperature,
With extruder 225 DEG C of extrusion moldings of temperature to get arrive PPR feed pipe.
Embodiment 6
A kind of PPR feed pipe, preparation method includes the following steps:
(1), 45 parts of polypropylene powders are weighed and 10 parts of methyl vinyl phenyl silicon rubber are added in open mill, at 225 DEG C
Under the conditions of mill 7min, 45 parts of silica solution and 5 parts of silane coupled agent compositions of A-173 point 5 times are sprayed at polypropylene powder and first
Base ethenylphenyl silastic mixture surface, spraying interval time every time is 5min, after to be sprayed, maintains above-mentioned reaction
Under the conditions of continue mill 8min, product is crushed and is transferred in extruder, with extruder in 226 DEG C of extruding pelletizations of temperature, is obtained
To silica sol modified polypropylene；
(2), -80 DEG C of freeze-drying 5h of 21 parts of PA66 staple fiber warps are weighed, after pulverizer crushes, by PA66 staple fiber powder
It is added in open mill with 12 parts of silicon rubber, 17 parts of nitrile rubbers and 6 parts of SEBS, mill 9min under the conditions of 215 DEG C, by 9 parts
Maleic anhydride is added in open mill, maintains to continue mill 5min under above-mentioned reaction condition, 71 parts of polypropylene powders are added
Into open mill, maintains to continue mill 10min under above-mentioned reaction condition, product is crushed and is transferred in extruder, with extrusion
Machine obtains polyamide modified polypropylene in 219 DEG C of extruding pelletizations of temperature；
(3), it weighs 52 parts of glycerol, 26 parts of acrylic acid and 0.8 part of alchlor to be added in reaction kettle, mixing speed is
120r/min, reaction temperature are 137 DEG C, -0.08MPa reduced-pressure backflow 3h, by reaction kettle pressure release and 50 DEG C are cooled to, by 16 part third
The different monooctyl ester of olefin(e) acid, 11 parts of 2-ethyl hexyl acrylates, 2.5 parts of SR-10 emulsifiers and 0.7 part of 184 photoinitiator are added in reaction kettle, dimension
The 36min that holds under above-mentioned reaction condition that the reaction was continued, product are washed through 2000W lamp and high pressure mercury 11s, product through 600mL water ultrasound
Wash 3 times, it is 500mL ethanol washing 2 times, dry to get to modified glycerol；
(4), weigh 59 parts of polypropylene powders, 67 parts of methyl diphenylene diisocyanates, 30 parts of polytetrahydrofuran ether glycol,
14.6 parts of modified glycerols, 0.7 part of dibutyl tin dilaurate and 5.3 parts of 1,4-butanediol are added in reaction kettle, mixing speed
For 95r/min, 2h is reacted under the conditions of 100 DEG C of maintenance system temperature, temperature of reaction kettle is warming up to 115 DEG C of reaction 35min, by 5
Part maleic anhydride is added in reaction kettle, the 30min that maintains under above-mentioned reaction condition that the reaction was continued, and product is crushed and shifted
Into extruder, with extruder 221 DEG C of extruding pelletizations of temperature to get arrive polyurethane-modified polypropylene；
(5), 78 parts of polypropylene powders, 22 parts of polyurethane-modified polypropylene, 14 parts of polyamide modified polypropylene and 26 parts are weighed
Silica sol modified polypropylene is added in high-speed mixer, with high-speed mixer in 205 DEG C of hybrid reaction 4min of temperature, with extrusion
Machine 231 DEG C of extrusion moldings of temperature to get arrive PPR feed pipe.
Embodiment 7
A kind of PPR feed pipe, preparation method includes the following steps:
(1), 45 parts of polypropylene powders are weighed and 15.3 parts of methyl vinyl phenyl silicon rubber are added in open mill, 226
49 parts of silica solution and 5.5 parts of silane coupled agent compositions of A-173 are divided 5 times and are sprayed at polypropylene powder by mill 7min under the conditions of DEG C
With methyl vinyl phenyl silastic mixture surface, spraying interval time every time is 5min, after to be sprayed, is maintained above-mentioned
Continue mill 8min under reaction condition, product is crushed and is transferred in extruder, is made with extruder in 227 DEG C of extrusions of temperature
Grain, obtains silica sol modified polypropylene；
(2), -80 DEG C of freeze-drying 5h of 21.8 parts of PA66 staple fiber warps are weighed, after pulverizer crushes, by PA66 staple fiber
Powder and 13.5 parts of silicon rubber, 19.6 parts of nitrile rubbers and 7.6 parts of SEBS are added in open mill, mill under the conditions of 218 DEG C
10.7 parts of maleic anhydrides are added in open mill by 9min, maintain to continue mill 5min under above-mentioned reaction condition, by 71 parts
Polypropylene powder is added in open mill, maintains to continue mill 10min under above-mentioned reaction condition, product is crushed and is transferred to extrusion
In machine, with extruder in 222 DEG C of extruding pelletizations of temperature, polyamide modified polypropylene is obtained；
(3), it weighs 52 parts of glycerol, 29.8 parts of acrylic acid and 0.8 part of alchlor to be added in reaction kettle, mixing speed is
120r/min, reaction temperature are 151 DEG C, -0.08MPa reduced-pressure backflow 3.5h, by reaction kettle pressure release and 50 DEG C are cooled to, by 17.5
Part Isooctyl acrylate monomer, 12.6 parts of 2-ethyl hexyl acrylates, 2.7 parts of SR-10 emulsifiers and 0.8 part of 184 photoinitiator are added to reaction
In kettle, the 36min that maintains under above-mentioned reaction condition that the reaction was continued, product is through 1000W lamp and high pressure mercury 12s, and product is through 600mL water
It is supersound washing 3 times, 500mL ethanol washing 2 times, dry to get arriving modified glycerol；
(4), weigh 59 parts of polypropylene powders, 68 parts of methyl diphenylene diisocyanates, 30.8 parts of polytetrahydrofuran ether glycol,
14.6 parts of modified glycerols, 0.9 part of dibutyl tin dilaurate and 5.6 parts of 1,4-butanediol are added in reaction kettle, mixing speed
For 95r/min, 2.5h is reacted under the conditions of 103 DEG C of maintenance system temperature, temperature of reaction kettle is warming up to 115 DEG C of reaction 35min, it will
6.5 parts of maleic anhydrides are added in reaction kettle, the 30min that maintains under above-mentioned reaction condition that the reaction was continued, and product is crushed simultaneously
Be transferred in extruder, with extruder 223 DEG C of extruding pelletizations of temperature to get arrive polyurethane-modified polypropylene；
(5), weigh 78 parts of polypropylene powders, 22.7 parts of polyurethane-modified polypropylene, 16.5 parts of polyamide modified polypropylene and
28.5 parts of silica sol modified polypropylene are added in high-speed mixer, with high-speed mixer in 206 DEG C of hybrid reactions of temperature
4.5min, with extruder 233 DEG C of extrusion moldings of temperature to get arrive PPR feed pipe.
Embodiment 8
A kind of PPR feed pipe, preparation method includes the following steps:
(1), 45 parts of polypropylene powders are weighed and 14.6 parts of methyl vinyl phenyl silicon rubber are added in open mill, 225
44 parts of silica solution and 4.4 parts of silane coupled agent compositions of A-173 are divided 5 times and are sprayed at polypropylene powder by mill 7min under the conditions of DEG C
With methyl vinyl phenyl silastic mixture surface, spraying interval time every time is 5min, after to be sprayed, is maintained above-mentioned
Continue mill 8min under reaction condition, product is crushed and is transferred in extruder, is made with extruder in 227 DEG C of extrusions of temperature
Grain, obtains silica sol modified polypropylene；
(2), -80 DEG C of freeze-drying 5h of 20.1 parts of PA66 staple fiber warps are weighed, after pulverizer crushes, by PA66 staple fiber
Powder and 12.2 parts of silicon rubber, 18.7 parts of nitrile rubbers and 6.6 parts of SEBS are added in open mill, mill under the conditions of 218 DEG C
10.1 parts of maleic anhydrides are added in open mill by 9min, maintain to continue mill 5min under above-mentioned reaction condition, by 71 parts
Polypropylene powder is added in open mill, maintains to continue mill 10min under above-mentioned reaction condition, product is crushed and is transferred to extrusion
In machine, with extruder in 218 DEG C of extruding pelletizations of temperature, polyamide modified polypropylene is obtained；
(3), it weighs 52 parts of glycerol, 25 parts of acrylic acid and 0.9 part of alchlor to be added in reaction kettle, mixing speed is
120r/min, reaction temperature are 145 DEG C, -0.08MPa reduced-pressure backflow 2.5h, by reaction kettle pressure release and 50 DEG C are cooled to, by 16.5
Part Isooctyl acrylate monomer, 10.9 parts of 2-ethyl hexyl acrylates, 2.6 parts of SR-10 emulsifiers and 0.7 part of 184 photoinitiator are added to reaction
In kettle, the 36min that maintains under above-mentioned reaction condition that the reaction was continued, product is through 2000W lamp and high pressure mercury 11s, and product is through 600mL water
It is supersound washing 3 times, 500mL ethanol washing 2 times, dry to get arriving modified glycerol；
(4), weigh 59 parts of polypropylene powders, 67 parts of methyl diphenylene diisocyanates, 29.8 parts of polytetrahydrofuran ether glycol,
14.4 parts of modified glycerols, 0.9 part of dibutyl tin dilaurate and 5.8 parts of 1,4-butanediol are added in reaction kettle, mixing speed
For 95r/min, 2.2h is reacted under the conditions of 102 DEG C of maintenance system temperature, temperature of reaction kettle is warming up to 115 DEG C of reaction 35min, it will
5.6 parts of maleic anhydrides are added in reaction kettle, the 30min that maintains under above-mentioned reaction condition that the reaction was continued, and product is crushed simultaneously
Be transferred in extruder, with extruder 223 DEG C of extruding pelletizations of temperature to get arrive polyurethane-modified polypropylene；
(5), weigh 78 parts of polypropylene powders, 20.7 parts of polyurethane-modified polypropylene, 15.6 parts of polyamide modified polypropylene and
27 parts of silica sol modified polypropylene are added in high-speed mixer, with high-speed mixer in 201 DEG C of hybrid reaction 3.5min of temperature,
With extruder 232 DEG C of extrusion moldings of temperature to get arrive PPR feed pipe.
Reference examples 1
In this reference examples, silica sol modified polypropylene is not added, and other components and preparation method are same as Example 1.
Reference examples 2
In this reference examples, polyamide modified polypropylene is not added, and other components and preparation method are same as Example 1.
Reference examples 3
In this reference examples, modified glycerol is not added, other components and preparation method are same as Example 1.
Reference examples 4
In this reference examples, polyurethane-modified polypropylene is not added, and other components and preparation method are same as Example 1.
Reference examples 5
In this reference examples, in formula select plain polypropylene alternate embodiment 1 in silica sol modified polypropylene, other groups
Divide same as Example 1 with preparation method.
Reference examples 6
In this reference examples, in formula select plain polypropylene alternate embodiment 1 in polyamide modified polypropylene, other groups
Divide same as Example 1 with preparation method.
Reference examples 7
The modified glycerol in common glycerol alternate embodiment 1, other components and preparation side are selected in this reference examples, in formula
Method is same as Example 1.
Reference examples 8
In this reference examples, in formula select plain polypropylene alternate embodiment 1 in polyurethane-modified polypropylene, other groups
Divide same as Example 1 with preparation method.
To PPR feed pipe made from Examples 1 to 8 and reference examples 1~8, PPR feed pipe is according to GB/T18742.2-2002
It is tested, every group of test sample quantity is 10, and test result sees below Tables 1 and 2.
The performance parameter of PPR feed pipe made from 1 Examples 1 to 8 of table
The performance parameter of PPR feed pipe made from 2 embodiment 1 of table and reference examples 1~8
By upper Tables 1 and 2 it is found that the hydrostatic performance for the PPR feed pipe that various embodiments of the present invention are prepared and resistance to low
Warm nature can be more excellent, this show the PPR feed pipe being prepared with raw material provided by the invention have preferable hydrostatic performance and
Resistance to low temperature；In contrast, the hydrostatic performance and resistance to low temperature for the PPR feed pipe that the raw material of each reference examples is prepared
It is poor.In addition, the PPR feed pipe that various embodiments of the present invention are prepared has preferable hydrostatic performance and resistance to low temperature.
The above is the preferred embodiment of the invention, it is noted that for those skilled in the art
For, under the premise of not departing from the inventive principle, several improvements and modifications can also be made, these improvements and modifications are also considered as
The protection scope of the invention.
Claims (3)
1. a kind of PPR feed pipe, which is characterized in that by mass parts ratio be 78:15~23:13~17:21~29 polypropylene
Powder, polyurethane-modified polypropylene, polyamide modified polypropylene and silica sol modified polypropylene composition；Wherein, the polyurethane
Modified polypropene is 59:62~69:28~31:14~15:0.3~1:5~6:3~7 polypropylene powder, two by mass parts ratio
Methylenebis phenyl isocyanate, polytetrahydrofuran ether glycol, modified glycerol, dibutyl tin dilaurate, 1,4- butanediol and suitable
Butene dioic acid anhydride reactant is made；The modified glycerol is 52:23~30:12~18:9~13:1~3 by mass parts ratio:
Glycerol, acrylic acid, Isooctyl acrylate monomer, 2-ethyl hexyl acrylate, SR-10 emulsifier, the alchlor and 184 of 0.3~1:0.3~1
Photoinitiator reaction is made；The polyamide modified polypropylene by mass parts ratio 71:16~22:7~11:9~14:13~
Polypropylene powder, PA66 staple fiber, maleic anhydride, silicon rubber, nitrile rubber and the SEBS reaction of 20:5~8 are made；It is described
Silica sol modified polypropylene by mass parts ratio be 45:37~50:1~6:9~16 polypropylene powder, silica solution, A-173 silicon
Alkane coupling agent and the reaction of methyl vinyl phenyl silicon rubber are made.
2. PPR feed pipe according to claim 1, which is characterized in that the polypropylene powder, polyurethane-modified polypropylene,
Polyamide modified polypropylene and silica sol modified polyacrylic mass parts ratio are 78:19:15:25.3.
3. the preparation method of any PPR feed pipe of claim 1~2, which comprises the steps of:
(1), polypropylene powder and methyl vinyl phenyl silicon rubber are added in open mill, mill under the conditions of 217~228 DEG C
Silica solution and the silane coupled agent composition of A-173 point 5 times are sprayed at polypropylene powder and methyl vinyl phenyl silicon rubber by 7min
Mixture surface, spraying interval time every time is 5min, after to be sprayed, maintains to continue mill under above-mentioned reaction condition
Product is crushed and is transferred in extruder by 8min, with extruder in 218~230 DEG C of extruding pelletizations of temperature, is obtained silica solution and is changed
Property polypropylene；
(2), by -80 DEG C of freeze-drying 5h of PA66 staple fiber warp, after pulverizer crushes, by PA66 staple fiber powder and silicon rubber,
Nitrile rubber and SEBS are added in open mill, and maleic anhydride is added to by mill 9min under the conditions of 211~220 DEG C
In open mill, maintains to continue mill 5min under above-mentioned reaction condition, polypropylene powder is added in open mill, above-mentioned reaction is maintained
Under the conditions of continue mill 10min, product is crushed and is transferred in extruder, is made with extruder in 215~223 DEG C of extrusions of temperature
Grain, obtains polyamide modified polypropylene；
(3), glycerol, acrylic acid and alchlor are added in reaction kettle, mixing speed 120r/min, reaction temperature is
127~152 DEG C, -0.08MPa 0.5~4h of reduced-pressure backflow by reaction kettle pressure release and are cooled to 50 DEG C, by Isooctyl acrylate monomer, third
Olefin(e) acid monooctyl ester, SR-10 emulsifier and 184 photoinitiators are added in reaction kettle, maintain under above-mentioned reaction condition that the reaction was continued
36min, product is through 1000~3000W, 5~13s of lamp and high pressure mercury, and product is through 600mL water supersound washing 3 times, 500mL ethyl alcohol
It washs 2 times, dry to get modified glycerol is arrived；
(4), by polypropylene powder, methyl diphenylene diisocyanate, polytetrahydrofuran ether glycol, modified glycerol, tin dilaurate two
Butyl tin and 1,4-butanediol are added in reaction kettle, mixing speed 95r/min, 86~105 DEG C of conditions of maintenance system temperature
Temperature of reaction kettle is warming up to 115 DEG C of reaction 35min, maleic anhydride is added in reaction kettle by 1.5~3h of lower reaction,
The 30min that maintains under above-mentioned reaction condition that the reaction was continued, product is crushed and is transferred in extruder, with extruder in temperature 217
~225 DEG C of extruding pelletizations to get arrive polyurethane-modified polypropylene；
(5), polypropylene powder, polyurethane-modified polypropylene, polyamide modified polypropylene and silica sol modified polypropylene are added to
In high-speed mixer, with high-speed mixer in 199~207 DEG C of 1~5min of hybrid reaction of temperature, with extruder temperature 217~
236 DEG C of extrusion moldings to get arrive PPR feed pipe.
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