CN107778665A - A kind of house ornamentation high-performance PPR pipe and preparation method thereof - Google Patents

A kind of house ornamentation high-performance PPR pipe and preparation method thereof Download PDF

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Publication number
CN107778665A
CN107778665A CN201610774517.5A CN201610774517A CN107778665A CN 107778665 A CN107778665 A CN 107778665A CN 201610774517 A CN201610774517 A CN 201610774517A CN 107778665 A CN107778665 A CN 107778665A
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ppr
preparation
performance
house ornamentation
ppr pipe
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李向荣
陈仕泉
吴惠芳
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QUANZHOU XINGYUAN PLASTIC CO Ltd
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QUANZHOU XINGYUAN PLASTIC CO Ltd
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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
    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/14—Copolymers of propene
    • 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
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • 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
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • 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
    • 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
    • C08J2323/14—Copolymers of propene
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—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
    • C08J2423/10—Homopolymers or copolymers of propene
    • C08J2423/14—Copolymers of propene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • 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
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • 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
    • 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
    • C08L2205/24—Crystallisation aids
    • C08L2205/242—Beta spherulite nucleating agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/10—Peculiar tacticity
    • C08L2207/14—Amorphous or atactic polypropylene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L2310/00—Masterbatches

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  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

A kind of house ornamentation high-performance PPR pipe and preparation method thereof, it is made up of following composition in parts by weight：100 parts of PPR resin, 0.8 ~ 6 part of nucleator master batch（Optimally 1.5 ~ 5 parts）, firm 5 ~ 25 parts of the master batch of heatproof increasing（Optimally 8 ~ 22 parts）, 1 ~ 2.5 part of Masterbatch（Optimally 1.3 ~ 2 parts）.Compared with the tubing of regular convention formula production, shock resistance, temperature tolerance, intensity and the hydraulic performance of the tubing of inventive formulation production are significantly improved, and solve the industry difficult point that house ornamentation PPR pipe toughness and temperature tolerance can not be taken into account simultaneously.

Description

A kind of house ornamentation high-performance PPR pipe and preparation method thereof
Technical field
The invention belongs to building plastic tubing technical field, and in particular to a kind of house ornamentation high-performance PPR pipe and its preparation Method.Background technology atactic copolymerized polypropene（PPR）Tubing has good machinery and physical property, especially because in light weight Temperature tolerance is good, easy for installation, green, is the Building Cooling water pipe generally used in house decoration, occupies absolute market Share.But PPR pipe itself impact resistance is poor, easily it is impacted in work progress and produces internal injury or even ftracture, caused Service life is not grown, and quality problems take place frequently, particularly in the winter time and Northern Part of China use, shock resistance deficiency lack Point is more prominent, has had a strong impact on further genralrlization of the PPR pipe in house ornamentation field.In the prior art, in order to improve PPR pipe Impact resistance, typically using chemical method as be copolymerized when increase vinyl monomer content；Or the side using physics toughness reinforcing Formula, add great number of elastic body and PE resins etc. and carry out toughness reinforcing, both approaches are bright while PPR pipe toughness is improved The aobvious heat resistance for reducing PPR pipe, and a temperature tolerance exactly very important index when family conveys hot water, it is resistance to Warm nature deficiency will greatly shorten the service life of PPR pipe, and can not meet to require in national standard should meet 50 using projected life The quality requirement in year.
The content of the invention
For problems of the prior art, it is an object of the invention to provide a kind of house ornamentation high-performance PPR pipe And preparation method thereof, by being modified optimization to formulating of recipe for pipes, improve current house ornamentation in the market PPR pipe impact property not Enough, the problem of heat resistance is bad.
Above-mentioned purpose of the present invention is achieved through the following technical solutions：A kind of house ornamentation high-performance PPR pipe, by pressing below The component composition that parts by weight calculate：100 parts of PPR resin, 0.8 ~ 6 part of nucleator master batch（Optimally 1.5 ~ 5 parts）, heatproof Increase firm 5 ~ 25 parts of master batch（Optimally 8 ~ 22 parts）, 1 ~ 2.5 part of Masterbatch（Optimally 1.3 ~ 2 parts）.
Described a kind of house ornamentation high-performance PPR pipe, it is characterised in that nucleator master batch is by PPR powders, composite diffusion The special nucleator composition of agent A, PP, PPR powders, the mass ratio that feeds intake of the special nucleator of composite dispersing agent A, PP are 100: 2~5 :5 ~ 10, preferred mass rate of charge is：100 : 3~4 : 7~8.
Described a kind of house ornamentation high-performance PPR pipe, it is characterised in that the composite dispersing agent A is polypropylene wax, second Support mixture more than one or both of bis-stearamides EBS, calcium stearate.
A kind of described house ornamentation high-performance PPR pipe, it is characterised in that special nucleator fusing point >=80 DEG C of PP, point Temperature >=320 DEG C are solved, preferably by terres rares beta crystal-type nucleater.
A kind of described house ornamentation high-performance PPR pipe, it is characterised in that the heatproof increase firm master batch by PPR pellets, change Property nano imvite, PP-g-MAH, antioxidant, composite dispersing agent B composition, PPR pellets, modified nano montmorillonite, PP-g- MAH, antioxidant, the composite dispersing agent B mass ratio that feeds intake are 100: 20~35 : 2~5 : 0.3~0.8 :5 ~ 8, preferably matter Measuring rate of charge is：100 : 23~30 : 3~4 : 0.4~0.6 : 6~7.5.
A kind of described house ornamentation high-performance PPR pipe, it is characterised in that modified nano montmorillonite surface quaternary ammonium Salt carries out organic-treating, and X-ray diffraction XRD d001 values are in 2.3 ~ 3.5 nm.
Described a kind of house ornamentation high-performance PPR pipe, it is characterised in that during the antioxidant is 1076,168,330 One or more kinds of mixtures.
Described a kind of house ornamentation high-performance PPR pipe, it is characterised in that the composite dispersing agent B is polypropylene wax, second Support mixture more than one or both of bis-stearamides EBS, calcium stearate.
The preparation method of described a kind of house ornamentation high-performance PPR pipe, it is characterised in that described preparation method includes Following steps： 1）The preparation of nucleator master batch：PPR powders, the special nucleator of composite dispersing agent A, PP are put by a certain percentage Enter in high-speed mixer and stir, be then granulated through parallel dual-screw extruding machine melting extrusion, masterbatch is made, it is standby；2）It is resistance to The preparation of Wen Zenggang master batches：PPR/ modified nano montmorillonites heatproof is prepared using melt intercalated method and increases firm master batch.By PPR pellets, Modified nano montmorillonite, PP-g-MAH, antioxidant and composite dispersing agent B are put into high-speed mixer and stirred by a certain percentage It is even, then it is granulated through parallel dual-screw extruding machine melting extrusion, masterbatch is made, it is standby；3）House ornamentation high-performance PPR pipe Prepare：By step 1）Obtained nucleator master batch, step 2）Obtained heatproof increases firm master batch, PPR, Masterbatch and stirred in mixer Mix uniformly, in drying machine after 85 DEG C dry 2 ~ 3 hours, carried out squeezing pipe shaping with efficient single screw extrusion machine, obtain house ornamentation With high-performance PPR pipe, the step preparation method is identical with common PPR pipe production technology, described single screw extrusion machine material Cylinder temperature be：180 ~ 210 DEG C, connector temperature is 200 ~ 210 DEG C, and die head temperature is：200 ~ 230 DEG C, screw speed be 60 ~ 110rpm, moment of torsion are 48% ~ 70%, and melt temperature is 195 ~ 220 DEG C.
By using above-mentioned technology, compared with prior art, beneficial effects of the present invention are as follows： 1）It is prepared by the present invention During nucleator master batch, preferably by terres rares beta crystal-type nucleater, the abundant advantage of China's rare earth resources, price are made full use of It is cheap, tubing impact resistance is obviously improved；Vector resin uses PPR powders, and PPR powders and tubing base-material are same structure Resin, dispersiveness is so both ensure that, pipe performance will not be reduced again； 2）The firm master batch of heatproof increasing prepared by the present invention, which uses, to be changed Property nano imvite material, can effectively make up harmful loss of the beta crystal-type nucleater to tubing rigid heat resistant performance, due to addition Measure less and belong to nanostructured, the nucleating effect influence on beta crystal-type nucleater is small, and good association is played with beta crystal-type nucleater Same effect, activeness and quietness, improve tubing toughness and temperature tolerance； 3）Heatproof prepared by the present invention increases firm master batch and uses modified Nano Montmorillonite material, compared with the glass fibre that prior art often uses, tube surfaces smoothness will not be reduced, it is a small amount of by adding PP-g-MAH bulking agents can further effectively facilitate the scattered and its strong with the interface of PPR materials of modified nano montmorillonite material Degree, modified effect are obvious； 4）House ornamentation high-performance PPR pipe product prepared by the present invention meet standard GB/T/ T18742.2-2002 related request, effectively increases the shock resistance of tubing, while temperature tolerance is unaffected or even Improve, substantially increase in the winter time and Northern Part of China is using the security in construction, can meet that what is required in national standard makes The quality requirement of 50 years should be met with projected life, be advantageous to further genralrlization of the PPR pipe in house ornamentation field.
Embodiment
The invention will be further described with reference to embodiments：
Embodiment 1：The preparation process 1 of house ornamentation high-performance PPR pipe）The preparation of nucleator master batch：By 50 kilograms of PPR powders, 1.2 kilograms of polypropylene waxes, 0.4 kilogram of EBS, 0.2 kilogram of calcium stearate and 3.5 kilograms of terres rares beta crystal-type nucleaters add together In high-speed mixer, first stirring at low speed 2 minutes, then high-speed stirred 5 minutes, taken out after stirring through parallel dual-screw extruding machine Melting extrusion is granulated, and masterbatch is made.Double-screw extruder screw rotating speed 250rpm, prilling temperature require each area temperature≤150 ℃；Step 2）Heatproof increases the preparation of firm master batch：By 50 kilograms of PP pellets, 12.5 kilograms of modified nano montmorillonites, 1.8 kilograms of PP- G-MAH, 0.1 kilogram of antioxidant 1076,0.05 kilogram of irgasfos 168,0.075 kilogram of antioxidant 330,2 kilograms of polypropylene waxes, 0.8 kilogram of EBS, 0.5 kilogram of calcium stearate are added in high-speed mixer together, and first stirring at low speed 2 minutes, then high-speed stirred 5 are divided Clock, take out after stirring and be granulated through parallel dual-screw extruding machine melting extrusion, masterbatch is made.Double-screw extruder screw rotating speed 320rpm, prilling temperature require each area temperature≤190 DEG C；Step 3）The preparation of house ornamentation high-performance PPR pipe：By 100 kilograms PPR pipe raw material, 1.5 kilograms of steps 1）Obtained nucleator master batch, 10 kilograms of steps 2）Obtained heatproof increases firm master batch, 1.5 Masterbatch stirs in mixer, in drying machine after 85 DEG C dry 2.5 hours, is carried out with efficient single screw extrusion machine Pipe shaping is squeezed, obtains house ornamentation high-performance PPR pipe, the step preparation method is identical with common PPR pipe production technology, described Single screw extrusion machine barrel temperature be：180 ~ 210 DEG C, connector temperature is 200 ~ 210 DEG C, and die head temperature is：200~230 DEG C, screw speed is 60 ~ 110rpm, and moment of torsion is 48% ~ 70%, and melt temperature is 195 ~ 220 DEG C.
Embodiment 2：The preparation process 1 of house ornamentation high-performance PPR pipe）The preparation of nucleator master batch：By 50 kilograms of PPR Powder, 1.3 kilograms of polypropylene waxes, 0.4 kilogram of EBS, 0.3 kilogram of calcium stearate and 3.5 kilograms of terres rares beta crystal-type nucleaters are together Add in high-speed mixer, first stirring at low speed 2 minutes, then high-speed stirred 5 minutes, take out after stirring and squeezed through parallel dual-screw Go out machine melting extrusion granulation, masterbatch is made.Double-screw extruder screw rotating speed 250rpm, each area's temperature of prilling temperature requirement≤ 150℃；Step 2）Heatproof increases the preparation of firm master batch：By 50 kilograms of PP pellets, 12.5 kilograms of modified nano montmorillonites, 2 kilograms PP-g-MAH, 0.1 kilogram of antioxidant 1076,0.05 kilogram of irgasfos 168,0.1 kilogram of antioxidant 330,1.8 kilograms of polypropylene Wax, 1 kilogram of EBS, 0.7 kilogram of calcium stearate are added in high-speed mixer together, first stirring at low speed 2 minutes, then high-speed stirred 5 Minute, take out after stirring and be granulated through parallel dual-screw extruding machine melting extrusion, masterbatch is made.Double-screw extruder screw turns Fast 320rpm, prilling temperature require each area temperature≤190 DEG C；Step 3）The preparation of house ornamentation high-performance PPR pipe：It is public by 100 Jin PPR pipe raw material, 3 kilograms of steps 1）Obtained nucleator master batch, 16.3 kilograms of steps 2）Obtained heatproof increase firm master batch, 1.5 Masterbatch stir in mixer, in drying machine after 85 DEG C dry 2.5 hours, with efficient single screw extrusion machine Carrying out squeezing pipe shaping, obtain house ornamentation high-performance PPR pipe, the step preparation method is identical with common PPR pipe production technology, Described single screw extrusion machine barrel temperature is：180 ~ 210 DEG C, connector temperature is 200 ~ 210 DEG C, and die head temperature is：200~ 230 DEG C, screw speed is 60 ~ 110rpm, and moment of torsion is 48% ~ 70%, and melt temperature is 195 ~ 220 DEG C.
Embodiment 3：The preparation process 1 of house ornamentation high-performance PPR pipe）The preparation of nucleator master batch：By 50 kilograms of PPR Powder, 1.1 kilograms of polypropylene waxes, 0.5 kilogram of EBS, 0.3 kilogram of calcium stearate and 3.5 kilograms of terres rares beta crystal-type nucleaters are together Add in high-speed mixer, first stirring at low speed 2 minutes, then high-speed stirred 5 minutes, take out after stirring and squeezed through parallel dual-screw Go out machine melting extrusion granulation, masterbatch is made.Double-screw extruder screw rotating speed 250rpm, each area's temperature of prilling temperature requirement≤ 150℃；Step 2）Heatproof increases the preparation of firm master batch：By 50 kilograms of PP pellets, 12.5 kilograms of modified nano montmorillonites, 2 kilograms PP-g-MAH, 0.12 kilogram of antioxidant 1076,0.05 kilogram of irgasfos 168,0.1 kilogram of antioxidant 330,2.5 kilograms of polypropylene Wax, 0.7 kilogram of EBS, 0.4 kilogram of calcium stearate are added in high-speed mixer together, first stirring at low speed 2 minutes, then high-speed stirred 5 Minute, take out after stirring and be granulated through parallel dual-screw extruding machine melting extrusion, masterbatch is made.Double-screw extruder screw turns Fast 320rpm, prilling temperature require each area temperature≤190 DEG C；Step 3）The preparation of house ornamentation high-performance PPR pipe：It is public by 100 Jin PPR pipe raw material, 4.5 kilograms of steps 1）Obtained nucleator master batch, 21.5 kilograms of steps 2）Obtained heatproof increase firm master batch, 1.5 Masterbatch stir in mixer, in drying machine after 85 DEG C dry 2.5 hours, with efficient single screw extrusion machine Carrying out squeezing pipe shaping, obtain house ornamentation high-performance PPR pipe, the step preparation method is identical with common PPR pipe production technology, Described single screw extrusion machine barrel temperature is：180 ~ 210 DEG C, connector temperature is 200 ~ 210 DEG C, and die head temperature is：200~ 230 DEG C, screw speed is 60 ~ 110rpm, and moment of torsion is 48% ~ 70%, and melt temperature is 195 ~ 220 DEG C.By example 1-3 tubing Formula extrudes tri- kinds of house ornamentation market regular sizes of Dn20mm*en2.8mm, Dn25mm*en3.5mm, Dn32mm*en4.4mm respectively Tubing verified that the tubing inside and outside wall of production is smooth, the testing result of each performance is shown in Table 1, table 2, table 3, table 4.
Table 1：House ornamentation high-performance PPR pipe low-temperature impact-resistant performance（50% serviceability rate height）
Table 2：House ornamentation high-performance PPR pipe heat resistance
Table 3：House ornamentation high-performance PPR pipe tensile property
Table 4：House ornamentation high-performance PPR pipe hydraulic performance
From table 1, table 2, table 3 and table 4 as can be seen that the present invention house ornamentation high-performance PPR pipe product meet standard GB/T/ T18742.2-2002 related request, compared with the tubing of regular convention formula production, the shock resistance of the tubing of inventive formulation production Performance, temperature tolerance, intensity and hydraulic performance are significantly improved, and solving house ornamentation PPR pipe toughness can not with temperature tolerance The industry difficult point taken into account simultaneously.

Claims (9)

1. a kind of house ornamentation high-performance PPR pipe and preparation method thereof, it is made up of following composition in parts by weight： PPR 100 parts of resin, 0.8 ~ 6 part of nucleator master batch（Optimally 1.5 ~ 5 parts）, firm 5 ~ 25 parts of the master batch of heatproof increasing（Optimally 8 ~ 22 Part）, 1 ~ 2.5 part of Masterbatch（Optimally 1.3 ~ 2 parts）.
A kind of 2. house ornamentation high-performance PPR pipe and preparation method thereof according to claim 1, it is characterised in that nucleator Master batch is made up of PPR powders, the special nucleator of composite dispersing agent A, PP, PPR powders, the special nucleator of composite dispersing agent A, PP The mass ratio that feeds intake is 100: 2~5 :5 ~ 10, preferred mass rate of charge is：100 : 3~4 : 7~8.
3. a kind of house ornamentation high-performance PPR pipe and preparation method thereof according to claim 1, it is characterised in that described multiple Conjunction dispersant A is mixture more than one or both of polypropylene wax, ethylene bis stearamide EBS, calcium stearate.
A kind of 4. house ornamentation high-performance PPR pipe and preparation method thereof according to claim 1, it is characterised in that the PP Special nucleator fusing point >=80 DEG C, decomposition temperature >=320 DEG C, preferably by terres rares beta crystal-type nucleater.
5. a kind of house ornamentation high-performance PPR pipe and preparation method thereof according to claim 1, it is characterised in that described resistance to Wen Zenggang master batches are made up of PPR pellets, modified nano montmorillonite, PP-g-MAH, antioxidant, composite dispersing agent B, PPR pellets, Modified nano montmorillonite, PP-g-MAH, antioxidant, the composite dispersing agent B mass ratio that feeds intake are 100: 20~35 : 2~5 : 0.3~0.8 :5 ~ 8, preferred mass rate of charge is：100 : 23~30 : 3~4 : 0.4~0.6 : 6~7.5.
6. a kind of house ornamentation high-performance PPR pipe and preparation method thereof according to claim 1, it is characterised in that described to change Property nano imvite surface carries out organic-treating with quaternary ammonium salt, and X-ray diffraction XRD d001 values are in 2.3 ~ 3.5 nm.
7. a kind of house ornamentation high-performance PPR pipe and preparation method thereof according to claim 1, it is characterised in that described anti- Oxygen agent is more than 1076,168, one or both of 330 mixture.
8. a kind of house ornamentation high-performance PPR pipe and preparation method thereof according to claim 1, it is characterised in that described multiple Conjunction dispersant B is mixture more than one or both of polypropylene wax, ethylene bis stearamide EBS, calcium stearate.
9. a kind of house ornamentation high-performance PPR pipe and preparation method thereof according to claim 1, it is characterised in that described Preparation method comprises the following steps： 1）The preparation of nucleator master batch：By PPR powders, the special nucleator of composite dispersing agent A, PP It is put into high-speed mixer and stirs by a certain percentage, is then granulated through parallel dual-screw extruding machine melting extrusion, mother is made Material, it is standby；2）Heatproof increases the preparation of firm master batch：PPR/ modified nano montmorillonites heatproof is prepared using melt intercalated method and increases just mother Grain.PPR pellets, modified nano montmorillonite, PP-g-MAH, antioxidant and composite dispersing agent B are put into by a certain percentage mixed at a high speed Stirred in conjunction machine, be then granulated through parallel dual-screw extruding machine melting extrusion, masterbatch is made, it is standby；3）House ornamentation is high The preparation of performance PPR pipe：By step 1）Obtained nucleator master batch, step 2）Obtained heatproof increases firm master batch, PPR, color masterbatch Grain stirs in mixer, in drying machine after 85 DEG C dry 2 ~ 3 hours, is carried out squeezing pipe with efficient single screw extrusion machine Shaping, obtains house ornamentation high-performance PPR pipe, the step preparation method list identical, described with common PPR pipe production technology Screw extruder barrel temperature is：180 ~ 210 DEG C, connector temperature is 200 ~ 210 DEG C, and die head temperature is：200 ~ 230 DEG C, spiral shell Bar rotating speed is 60 ~ 110rpm, and moment of torsion is 48% ~ 70%, and melt temperature is 195 ~ 220 DEG C.
CN201610774517.5A 2016-08-31 2016-08-31 A kind of house ornamentation high-performance PPR pipe and preparation method thereof Pending CN107778665A (en)

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Publication number Priority date Publication date Assignee Title
CN109177251A (en) * 2018-08-27 2019-01-11 四川省海维塑胶有限公司 PPR pipe production technology

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CN105860275A (en) * 2016-03-31 2016-08-17 日丰科技有限公司 Beta-PPR tube and preparation method thereof

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WO2003022917A1 (en) * 2001-09-06 2003-03-20 Equistar Chemicals, Lp Propylene polymer compositions having improved melt strength
CN101020776A (en) * 2006-12-11 2007-08-22 杭州鸿雁电器有限公司 Nanometer random olefin copolymer/montmorillonite composite material and its prepn
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