CN105255014A - Glass fiber reinforced PP-RCT material and preparation method thereof - Google Patents
Glass fiber reinforced PP-RCT material and preparation method thereof Download PDFInfo
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- CN105255014A CN105255014A CN201510626688.9A CN201510626688A CN105255014A CN 105255014 A CN105255014 A CN 105255014A CN 201510626688 A CN201510626688 A CN 201510626688A CN 105255014 A CN105255014 A CN 105255014A
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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
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- 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
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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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
- C08J5/08—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials glass fibres
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- 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
- B29C2948/92609—Dimensions
- B29C2948/92619—Diameter or circumference
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- 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
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/24—Crystallisation aids
- C08L2205/242—Beta spherulite nucleating agents
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses a glass fiber reinforced PP-RCT material and a preparation method thereof. The material comprises the following components by weight: 40-90 parts of random copolymerized polypropylene; 1-30 parts of a compatilizer; 10-30 parts of glass fiber; 0-7.0 parts of an antioxidant; 0-2.0 parts of a light stabilizer; and 0.2-0.6 part of a compound beta crystal form nucleating agent. The preparation method includes: according to the weight part, weighing the random copolymerized polypropylene, the compatilizer, the glass fiber, the antioxidant, the light stabilizer and the compound beta crystal form nucleating agent raw material for standby use; 2) fully mixing the random copolymerized polypropylene, the compatilizer, the glass fiber, the antioxidant, the light stabilizer and the compound beta crystal form nucleating agent raw material by the weight part; and 3) adding glass fiber into the well mixed material, and then performing melt blending and extrusion, thus obtaining the glass fiber reinforced PP-RCT material. According to the invention, the long-term high temperature resistance of the PP-RCT material is maintained, at the same time, the mechanical strength is enhanced, and the low temperature impact performance of the material is improved. The glass fiber reinforced PP-RCT material provided by the invention has high thermal oxidation resistance and simple process.
Description
Technical field
The present invention relates to building pipe technical field, specifically, is a kind of glass fiber reinforcement PP-RCT material and preparation method thereof.
Background technology
PP-RCT is the PP atactic copolymerized polypropene with β crystalline texture with characteristics such as height is heat-resisting, withstand voltage, toughness, i.e. four type polypropylene.Wherein C is that six side β are brilliant, and T is the specific properties being endowed high heat-resistant pressure-resistant and high tenacity.Germany has promulgated DIN8077PP-RCT(β-PP-R in May, 2007) tubing production standard.The tubing utilizing PP-RCT material to make because changing crystalline structure, thus improves the long-term behaviours such as the high temperature and creep resistance of tubing, anti-oxidant and anti-cracking at a slow speed.Compared with PP-R pipe, the PP-RCT tubing of same specification promotes a pressure rating under certain condition and uses.But PP-RCT pipeline shows slightly not enough as intensity during standpipe, and add by conventional method the intensity that glass fibre not only can not improve PP-RCT pipeline, on the contrary because glass fibre is to the negative influence of beta crystal nucleation, PP-RCT pipe performance is reduced.
The working life of building standpipe is 50 years, usually needs to add oxidation inhibitor.Common antioxidant system, as anti-1010, anti-168, DSTP collaboration system to common non-filling or non-reinforcing polypropylene material very effective, but to fill or the effect of Reinforced Polypropylene material is not just very desirable.Glass fiber reinforced polypropylene material seems particularly outstanding in this problem.This is because some components on the one hand contained by glass fibre and some the treatment agent components used when carrying out surface treatment to glass fibre can accelerate the aging of polypropylene material usually; On the other hand in the preparation process of glass fiber reinforced polypropylene material, usually need to add a certain amount of, glass fibre and acrylic resin can be impelled to form the toughener of good interface adhesive effect, as some organic acid or acid anhydride-grafted functional poly propylene, the compatilizer of these function graftings has very large Conflict effect to the common antioxidant system added, and reduces the anti-aging effect of oxidation inhibitor in polypropylene material.In addition, common antioxidant system has certain water-soluble, and in hydrolytic process, oxidation inhibitor can constantly be separated out, and oxidation inhibitor remaining in material is fewer and feweri, thus the antioxidant capacity of material is constantly declined.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of glass fiber reinforcement PP-RCT material and preparation method thereof, and described glass fiber reinforcement PP-RCT material has excellent mechanical performances, and excellence is high temperature resistant and high antioxygenic property for a long time.
In order to solve the problems of the technologies described above, the invention provides a kind of glass fiber reinforcement PP-RCT material, comprising the component of following weight proportion:
Atactic copolymerized polypropene 40 ~ 90 parts; Compatilizer 1 ~ 30 part; 10 ~ 30 parts, glass fibre; 0 ~ 7.0 part, oxidation inhibitor; Photostabilizer 0 ~ 2.0 part; Composite beta crystal-type nucleater 0.2 ~ 0.6 part.
Further, the component of following weight proportion is comprised:
Atactic copolymerized polypropene 60 ~ 80 parts; Compatilizer 10 ~ 20 parts; 15 ~ 20 parts, glass fibre; 0.7 ~ 4.0 part, oxidation inhibitor; Photostabilizer 0.1 ~ 1.0 part; Composite beta crystal-type nucleater 0.2 ~ 0.4 part.
Further, described atactic copolymerized polypropene be 230 DEG C, melting index under 2.16KG test condition is the atactic copolymerized polypropene of 2 ~ 10g/10min.
Further, described compatilizer is the polypropylene of maleic anhydride inoculated polypropylene or glycidyl acrylate grafting.
Further, described oxidation inhibitor comprises one in Hinered phenols antioxidant, monothioester kind antioxidant and phosphite ester kind antioxidant or arbitrary combination, and wherein said Hinered phenols antioxidant, monothioester kind antioxidant and phosphite ester kind antioxidant are one or more mixture of primary antioxidant and auxiliary antioxidant in respective class oxidation inhibitor; The weight proportion of described Hinered phenols antioxidant, monothioester kind antioxidant and phosphite ester kind antioxidant is: Hinered phenols antioxidant 0 ~ 2.0 part, monothioester kind antioxidant 0 ~ 3.0 part and phosphite ester kind antioxidant 0 ~ 2.0 part.
Further, described photostabilizer is one or more the mixture in hindered amine light stabilizer, salicylate light stabilizer and benzophenones photostabilizer.
Further, described composite beta crystal-type nucleater comprises the wherein two or more mixture of rare-earth carboxylate nucleator, tetrahydrophthalic anhydride carboxylate salt nucleator, aryl amide nucleator, polymer class nucleator and organo-metallic salt nucleator.
Present invention also offers a kind of preparation method of above-mentioned glass fiber reinforcement PP-RCT material, comprising:
1) atactic copolymerized polypropene, compatilizer, glass fibre, oxidation inhibitor, photostabilizer and composite beta crystal-type nucleater raw material is taken by weight, for subsequent use;
2) atactic copolymerized polypropene of described weight part, compatilizer, oxidation inhibitor, photostabilizer and composite beta crystal-type nucleater raw material are fully mixed;
3) in the material mixed, add glass fibre, then melt blending is extruded, and obtains described glass fiber reinforcement PP-RCT material.
Further,
Described step 2) in, utilize high mixer to carry out married operation to atactic copolymerized polypropene, compatilizer, oxidation inhibitor, photostabilizer and composite beta crystal-type nucleater raw material, mixing time is 3-5 minute.
Further,
In described step 3), utilize twin screw extruder to carry out melt blending and extrude operation, screw diameter 20 ~ the 65mm of described twin screw extruder, the length-to-diameter ratio of screw rod is 40:1, and mixed melting temperature is set as: first paragraph 160 ~ 180 DEG C, second segment 180 ~ 190 DEG C, 3rd section 190 ~ 200 DEG C, the 4th section 200 ~ 210 DEG C, the 5th section 210 ~ 220 DEG C, melt temperature 205 ~ 215 DEG C, head temperature 195 ~ 205 DEG C.
The glass fiber reinforcement PP-RCT material of the present invention utilizing preparation method of the present invention to prepare has following beneficial effect: 1) solve glass fibre to the negative influence of PP-R beta crystal nucleation, while the excellent long-term resistance to elevated temperatures of maintenance PP-RCT material, promote its mechanical property intensity, improve its low temperature impact properties; 2) glass fiber reinforcement PP-RCT material of the present invention also has high resistance thermal oxidation, is applicable to building standpipe material; 3) simple, the content of glass fiber of preparation method's technique of glass fiber reinforcement PP-RCT material of proposing of the present invention easily controls.
Accompanying drawing explanation
Fig. 1 is the process flow sheet of the preparation method of glass fiber reinforcement PP-RCT material of the present invention.
Fig. 2 is the DSC(DifferentialScanningCalorimetry of glass fiber reinforcement PP-RCT material of the present invention and common PP-R material, dsc) comparison diagram.
Fig. 3 is glass fiber reinforcement PP-RCT material of the present invention and common PP-RCT material and common PP-R tensile strength of material comparison diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, and to make those skilled in the art the present invention may be better understood and can be implemented, but illustrated embodiment is not as a limitation of the invention.
Glass fiber reinforcement PP-RCT material of the present invention, comprises the component of following weight proportion:
Atactic copolymerized polypropene 40 ~ 90 parts; Compatilizer 1 ~ 30 part; 10 ~ 30 parts, glass fibre; 0 ~ 7.0 part, oxidation inhibitor; Photostabilizer 0 ~ 2.0 part; Composite beta crystal-type nucleater 0.2 ~ 0.6 part.
Preferably, the weight proportion of each component is as follows:
Atactic copolymerized polypropene 60 ~ 80 parts; Compatilizer 10 ~ 20 parts; 10 ~ 30 parts, glass fibre; 0.7 ~ 4.0 part, oxidation inhibitor; Photostabilizer 0.1 ~ 1.0 part; Composite beta crystal-type nucleater 0.2 ~ 0.4 part.
Wherein, described atactic copolymerized polypropene be 230 DEG C, melting index under 2.16KG test condition is the atactic copolymerized polypropene of 2 ~ 10g/10min.Described compatilizer is the polypropylene of maleic anhydride inoculated polypropylene or glycidyl acrylate grafting.Described oxidation inhibitor comprises one in Hinered phenols antioxidant, monothioester kind antioxidant and phosphite ester kind antioxidant or arbitrary combination, and wherein said Hinered phenols antioxidant, monothioester kind antioxidant and phosphite ester kind antioxidant are one or more mixture of primary antioxidant and auxiliary antioxidant in respective class oxidation inhibitor; The weight proportion of described Hinered phenols antioxidant, monothioester kind antioxidant and phosphite ester kind antioxidant is: Hinered phenols antioxidant 0 ~ 2.0 part, monothioester kind antioxidant 0 ~ 3.0 part and phosphite ester kind antioxidant 0 ~ 2.0 part.Described photostabilizer is one or more the mixture in hindered amine light stabilizer, salicylate light stabilizer and benzophenones photostabilizer.Described composite beta crystal-type nucleater comprises the wherein two or more mixture of rare-earth carboxylate nucleator, tetrahydrophthalic anhydride carboxylate salt nucleator, aryl amide nucleator, polymer class nucleator and organo-metallic salt nucleator.
As shown in Figure 1, the preparation method of glass fiber reinforcement PP-RCT material of the present invention, comprises the following steps:
1) atactic copolymerized polypropene, compatilizer, glass fibre, oxidation inhibitor, photostabilizer and composite beta crystal-type nucleater raw material is taken by weight, for subsequent use;
2) atactic copolymerized polypropene of described weight part, compatilizer, oxidation inhibitor, photostabilizer and composite beta crystal-type nucleater raw material are fully mixed;
3) in the material mixed, add glass fibre, then melt blending is extruded, and obtains described glass fiber reinforcement PP-RCT material.
Wherein, can also comprise after step 3):
4) tie rod pelletizing is carried out to the glass fiber reinforcement PP-RCT material extruded.
Wherein, described step 2) in, utilize high mixer to carry out married operation to atactic copolymerized polypropene, compatilizer, oxidation inhibitor, photostabilizer and composite beta crystal-type nucleater raw material, mixing time is 3-5 minute.
In described step 3), utilize twin screw extruder to carry out melt blending and extrude operation, screw diameter 20 ~ the 65mm of described twin screw extruder, the length-to-diameter ratio of screw rod is 40:1, and mixed melting temperature is set as: first paragraph 160 ~ 180 DEG C, second segment 180 ~ 190 DEG C, 3rd section 190 ~ 200 DEG C, the 4th section 200 ~ 210 DEG C, the 5th section 210 ~ 220 DEG C, melt temperature 205 ~ 215 DEG C, head temperature 195 ~ 205 DEG C.
The compatilizer prepared in the raw material of glass fiber reinforcement PP-RCT material of the present invention can increase substantially the consistency of acrylic resin and glass fibre, strengthens interfacial interaction therebetween, thus improves the mechanical strength of material; Oxidation inhibitor mainly plays the Auto-oxidation reaction effect suppressing and slow down macromolecular material, and what prevent polymkeric substance from causing because of processing or use procedure fades and solarization; Photostabilizer mainly contains the effects such as shielding ultraviolet rays, quencher excited state, Mulberry Extract, thus stops material to suffer ultraviolet destruction, suppresses material by photodegradation, alleviates material photoaging; Composite beta crystal-type nucleater can change material crystalline structure, makes material have more excellent long-term resistance to elevated temperatures.
In the present invention, oxidation inhibitor comprises Hinered phenols antioxidant, monothioester kind antioxidant and phosphite ester kind antioxidant.Hinered phenols antioxidant comprises one or more the mixture in Hinered phenols antioxidant, as antioxidant 3114: 1, and 3,3, three (3,5-di-t-butyl, 4-hydroxybenzyl) s-triazine, 2,4,6,-(1H, 2H, 3H) triketone, antioxidant 330: 1,3,5-trimethylammonium-2,4,6-tri-(3,5-di-tert-butyl-4-hydroxyl benzyl) benzene; Monothioester kind antioxidant comprises one or more the mixture in monothioester kind antioxidant, as: oxidation inhibitor DSTP: thio-2 acid two (18) ester, oxidation inhibitor 1035:2,2 '-thiobis [3-(3,5-di-tert-butyl-hydroxy phenyl) ethyl propionate], antioxidant 300: 4,4 '-thiobis (6-tert-butyl-m-cresol); Phosphite ester kind antioxidant comprises one or more the mixture in phosphite ester kind antioxidant, as: antioxidant 618: two stearyl alcohol pentaerythritol diphosphites, irgasfos 168: three (2,4-DI-tert-butylphenol compounds) phosphorous acid ester, oxidation inhibitor 626: two (3,5-di-tert-butyl-phenyl) pentaerythritol diphosphites.
In the present invention, photostabilizer is one or more the mixture in hindered amines, salicylate class, benzophenone etc., as: two (2,2,6,6-tetramethyl--4-piperidyl) SA ester, poly-{ [6-[(1,1,3,3-tetramethyl butyl) amino]]-1,3,5-triazine-2,4-two [(2,2,6,6-tetramethyl--4-piperidyl) imino-]-1,6-oneself two support [(2,2,6,6-tetramethyl--4-piperidyl) imino-], poly-succinic (4-hydroxyl-2,2,6,6-tetramethyl--1-piperidines) ester.
Composite beta crystal-type nucleater in the present invention is the two or more mixture of rare-earth carboxylate, tetrahydrophthalic anhydride carboxylate salt, aryl amide, polymer class and organo-metallic salt nucleator, as phthalic acid lanthanum, tetramethyl-phthalic acid lanthanum, six hydrogen tetramethyl-phthalic acid lanthanums, Pyromellitic Acid lanthanum, trimellitic acid lanthanum, tetrahydrophthalic anhydride calcium carboxylates, N, N '-dicyclohexyl-2,6-naphthalene diamide (DCNDCA), calcium pimelate, polystyrene, acrylonitritrile-styrene resin.
Embodiment 1:
By atactic copolymerized polypropene 80 parts, maleic anhydride inoculated polypropylene 5.7 parts, 3 parts, oxidation inhibitor (comprises antioxidant 330 1.5 parts, 10351.5 parts, oxidation inhibitor), photostabilizer (is two (2 in the present embodiment, 2, 6, 6-tetramethyl--4-piperidyl) SA ester) 1 part, composite beta crystal-type nucleater 0.3 part (comprises phthalic acid lanthanum 0.15 part, N, N '-dicyclohexyl-2, 6-naphthalene diamide (DCNDCA) 0.15 part), join successively in high mixer, after abundant mixing 3 ~ 5min, mixture is added material bin twin screw extruder mixed melting, same surperficial glass fibre 10 parts of blending through silane coupling agent process in twin screw extruder again, through melt extruding tie rod, cross water cooling, dry up material strip, then pelletizing.Wherein, the screw diameter 20 ~ 65mm of twin screw extruder, screw slenderness ratio is 40:1, and its melt temperature is set as follows: one section 180 DEG C, two sections 190 DEG C, three sections 200 DEG C, four sections 210 DEG C, five sections 220 DEG C, melt temperature 215 DEG C, head 205 DEG C.
Embodiment 2:
By atactic copolymerized polypropene 65 parts, compatilizer (adopting the polypropylene of glycidyl acrylate grafting in the present embodiment) 9.2 parts, 3.5 parts, oxidation inhibitor (comprises antioxidant 330 1.5 parts, antioxidant 3114 2 parts), photostabilizer 2 parts (comprises poly-{ [6-[(1, 1, 3, 3-tetramethyl butyl) amino]]-1, 3, 5-triazine-2, 4-two [(2, 2, 6, 6-tetramethyl--4-piperidyl) imino-]-1, 6-oneself two support [(2, 2, 6, 6-tetramethyl--4-piperidyl) imino-] 1 part, poly-succinic (4-hydroxyl-2, 2, 6, 6-tetramethyl--1-piperidines) ester 1 part), composite beta crystal-type nucleater 0.3 part (comprises tetramethyl-phthalic acid lanthanum 0.15 part, calcium pimelate 0.15 part), join successively in high mixer, after abundant mixing 3 ~ 5min, mixture is added material bin twin screw extruder mixed melting, same surperficial glass fibre 20 parts of blending through silane coupling agent process in twin screw extruder again, through melt extruding tie rod, cross water cooling, dry up material strip, then pelletizing.Screw diameter 20 ~ the 65mm of twin screw extruder, screw slenderness ratio is 40:1, and its melt temperature is set as follows: one section 160 DEG C, two sections 180 DEG C, three sections 190 DEG C, four sections 200 DEG C, five sections 210 DEG C, melt temperature 205 DEG C, head 195 DEG C.
Embodiment 3:
By atactic copolymerized polypropene 55 parts, the polypropylene of glycidyl acrylate grafting 9.8 parts, 3 parts, oxidation inhibitor (comprises 10351.5 parts, oxidation inhibitor, antioxidant 300 1.5 parts), photostabilizer 2 parts (comprises poly-{ [6-[(1, 1, 3, 3-tetramethyl butyl) amino]]-1, 3, 5-triazine-2, 4-two [(2, 2, 6, 6-tetramethyl--4-piperidyl) imino-]-1, 6-oneself two support [(2, 2, 6, 6-tetramethyl--4-piperidyl) imino-] 1 part, poly-succinic (4-hydroxyl-2, 2, 6, 6-tetramethyl--1-piperidines) ester 1 part), composite beta crystal-type nucleater 0.2 part (comprises Pyromellitic Acid lanthanum 0.15 part, N, N '-dicyclohexyl-2, 6-naphthalene diamide (DCNDCA) 0.05 part), join successively in high mixer, after abundant mixing 3 ~ 5min, mixture is added material bin twin screw extruder mixed melting, same surperficial glass fibre 30 parts of blending through silane coupling agent process in twin screw extruder again, through melt extruding tie rod, cross water cooling, dry up material strip, then pelletizing.Screw diameter 20 ~ the 65mm of twin screw extruder, screw slenderness ratio is 40:1, and its melt temperature is set as follows: one section 160 DEG C, two sections 180 DEG C, three sections 190 DEG C, four sections 200 DEG C, five sections 210 DEG C, melt temperature 205 DEG C, head 195 DEG C.
Embodiment 4:
By atactic copolymerized polypropene 50 parts, maleic anhydride inoculated polypropylene 23.8 parts, 0.7 part, oxidation inhibitor (comprises Hinered phenols antioxidant 0.35 part, monothioester kind antioxidant 0.35 part), (the present embodiment is poly-{ [6-[(1 to photostabilizer, 1, 3, 3-tetramethyl butyl) amino]]-1, 3, 5-triazine-2, 4-two [(2, 2, 6, 6-tetramethyl--4-piperidyl) imino-]-1, 6-oneself two support [(2, 2, 6, 6-tetramethyl--4-piperidyl) imino-]) 0.1 part, beta crystal-type nucleater 0.4 part (comprises N, N '-dicyclohexyl-2, 6-naphthalene diamide (DCNDCA) 0.15 part, polystyrene 0.25 part), join successively in high mixer, after abundant mixing 3 ~ 5min, mixture is added material bin twin screw extruder mixed melting, same surperficial glass fibre 25 parts of blending through silane coupling agent process in twin screw extruder again, through melt extruding tie rod, cross water cooling, dry up material strip, then pelletizing.Screw diameter 20 ~ the 65mm of twin screw extruder, screw slenderness ratio is 40:1, and its melt temperature is set as follows: one section 170 DEG C, two sections 180 DEG C, three sections 190 DEG C, four sections 200 DEG C, five sections 210 DEG C, melt temperature 210 DEG C, head 200 DEG C.
Embodiment 5:
By atactic copolymerized polypropene 42.4 parts, maleic anhydride inoculated polypropylene 30 parts, 7 parts, oxidation inhibitor (comprises antioxidant 3114 2 parts, oxidation inhibitor DSTP2 part, 10351 parts, oxidation inhibitor, antioxidant 300 1 part, antioxidant 618 1 part), composite beta crystal-type nucleater 0.6 part (comprises N, N '-dicyclohexyl-2, 6-naphthalene diamide (DCNDCA) 0.15 part, acrylonitritrile-styrene resin 0.45 part), join successively in high mixer, after abundant mixing 3 ~ 5min, mixture is added material bin twin screw extruder mixed melting, same surperficial glass fibre 20 parts of blending through silane coupling agent process in twin screw extruder again, through melt extruding tie rod, cross water cooling, dry up material strip, then pelletizing.Screw diameter 20 ~ the 65mm of twin screw extruder, screw slenderness ratio is 40:1, and its melt temperature is set as follows: one section 170 DEG C, two sections 190 DEG C, three sections 190 DEG C, four sections 210 DEG C, five sections 210 DEG C, melt temperature 205 DEG C, head 200 DEG C.
Embodiment 6:
By atactic copolymerized polypropene 40 parts, maleic anhydride inoculated polypropylene 20 parts, 4 parts, oxidation inhibitor (comprises antioxidant 3114 2 parts, oxidation inhibitor DSTP2 part), composite beta crystal-type nucleater 0.6 part (comprises N, N '-dicyclohexyl-2, 6-naphthalene diamide (DCNDCA) 0.15 part, acrylonitritrile-styrene resin 0.45 part), join successively in high mixer, after abundant mixing 3 ~ 5min, mixture is added material bin twin screw extruder mixed melting, same surperficial glass fibre 15 parts of blending through silane coupling agent process in twin screw extruder again, through melt extruding tie rod, cross water cooling, dry up material strip, then pelletizing.Screw diameter 20 ~ the 65mm of twin screw extruder, screw slenderness ratio is 40:1, and its melt temperature is set as follows: one section 170 DEG C, two sections 185 DEG C, three sections 195 DEG C, four sections 205 DEG C, five sections 215 DEG C, melt temperature 210 DEG C, head 200 DEG C.
Embodiment 7:
By atactic copolymerized polypropene 60 parts, maleic anhydride inoculated polypropylene 1 part, (the present embodiment is poly-{ [6-[(1 to photostabilizer, 1, 3, 3-tetramethyl butyl) amino]]-1, 3, 5-triazine-2, 4-two [(2, 2, 6, 6-tetramethyl--4-piperidyl) imino-]-1, 6-oneself two support [(2, 2, 6, 6-tetramethyl--4-piperidyl) imino-]) 0.5 part, beta crystal-type nucleater 0.5 part (comprises N, N '-dicyclohexyl-2, 6-naphthalene diamide (DCNDCA) 0.25 part, polystyrene 0.25 part), join successively in high mixer, after abundant mixing 3 ~ 5min, mixture is added material bin twin screw extruder mixed melting, same surperficial glass fibre 12 parts of blending through silane coupling agent process in twin screw extruder again, through melt extruding tie rod, cross water cooling, dry up material strip, then pelletizing.Screw diameter 20 ~ the 65mm of twin screw extruder, screw slenderness ratio is 40:1, and its melt temperature is set as follows: one section 170 DEG C, two sections 180 DEG C, three sections 190 DEG C, four sections 205 DEG C, five sections 220 DEG C, melt temperature 215 DEG C, head 205 DEG C.
Embodiment 8:
By atactic copolymerized polypropene 90 parts, maleic anhydride inoculated polypropylene 10 parts, 5.5 parts, oxidation inhibitor (comprises antioxidant 3114 2 parts, oxidation inhibitor DSTP1 part, 10351.5 parts, oxidation inhibitor, antioxidant 300 1 part) (the present embodiment is poly-{ [6-[(1 to photostabilizer, 1, 3, 3-tetramethyl butyl) amino]]-1, 3, 5-triazine-2, 4-two [(2, 2, 6, 6-tetramethyl--4-piperidyl) imino-]-1, 6-oneself two support [(2, 2, 6, 6-tetramethyl--4-piperidyl) imino-]) 1.5 parts, beta crystal-type nucleater 0.5 part (comprises N, N '-dicyclohexyl-2, 6-naphthalene diamide (DCNDCA) 0.25 part, polystyrene 0.25 part), join successively in high mixer, after abundant mixing 3 ~ 5min, mixture is added material bin twin screw extruder mixed melting, same surperficial glass fibre 18 parts of blending through silane coupling agent process in twin screw extruder again, through melt extruding tie rod, cross water cooling, dry up material strip, then pelletizing.Screw diameter 20 ~ the 65mm of twin screw extruder, screw slenderness ratio is 40:1, and its melt temperature is set as follows: one section 180 DEG C, two sections 190 DEG C, three sections 195 DEG C, four sections 200 DEG C, five sections 210 DEG C, melt temperature 210 DEG C, head 200 DEG C.
Embodiment 9:
By atactic copolymerized polypropene 9 parts, maleic anhydride inoculated polypropylene 15 parts, 1.5 parts, oxidation inhibitor (antioxidant 300 1 part, antioxidant 618 0.5 part), composite beta crystal-type nucleater 0.6 part (comprises N, N '-dicyclohexyl-2, 6-naphthalene diamide (DCNDCA) 0.15 part, acrylonitritrile-styrene resin 0.45 part), join successively in high mixer, after abundant mixing 3 ~ 5min, mixture is added material bin twin screw extruder mixed melting, same surperficial glass fibre 23 parts of blending through silane coupling agent process in twin screw extruder again, through melt extruding tie rod, cross water cooling, dry up material strip, then pelletizing.Screw diameter 20 ~ the 65mm of twin screw extruder, screw slenderness ratio is 40:1, and its melt temperature is set as follows: one section 170 DEG C, two sections 190 DEG C, three sections 190 DEG C, four sections 210 DEG C, five sections 210 DEG C, melt temperature 205 DEG C, head 200 DEG C.
The DSC detecting the various embodiments described above gained glass fiber reinforcement PP-RCT material by experiment stretches intensive parameter with connecing, and compare with common PP-R material and/or common PP-RCT material, comparative result as shown in Figures 2 and 3, compared with prior art, properties has had essential lifting to visible glass fiber reinforcement PP-RCT material of the present invention.
The above embodiment is only that protection scope of the present invention is not limited thereto in order to absolutely prove the preferred embodiment that the present invention lifts.The equivalent alternative or conversion that those skilled in the art do on basis of the present invention, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. a glass fiber reinforcement PP-RCT material, is characterized in that, comprises the component of following weight proportion:
Atactic copolymerized polypropene 40 ~ 90 parts; Compatilizer 1 ~ 30 part; 10 ~ 30 parts, glass fibre; 0 ~ 7.0 part, oxidation inhibitor; Photostabilizer 0 ~ 2.0 part; Composite beta crystal-type nucleater 0.2 ~ 0.6 part.
2. glass fiber reinforcement PP-RCT material as claimed in claim 1, is characterized in that, comprise the component of following weight proportion:
Atactic copolymerized polypropene 60 ~ 80 parts; Compatilizer 10 ~ 20 parts; 15 ~ 20 parts, glass fibre; 0.7 ~ 4.0 part, oxidation inhibitor; Photostabilizer 0.1 ~ 1.0 part; Composite beta crystal-type nucleater 0.2 ~ 0.4 part.
3. glass fiber reinforcement PP-RCT material as claimed in claim 1 or 2, is characterized in that, described atactic copolymerized polypropene be 230 DEG C, melting index under 2.16KG test condition is the atactic copolymerized polypropene of 2 ~ 10g/10min.
4. glass fiber reinforcement PP-RCT material as claimed in claim 1 or 2, it is characterized in that, described compatilizer is the polypropylene of maleic anhydride inoculated polypropylene or glycidyl acrylate grafting.
5. glass fiber reinforcement PP-RCT material as claimed in claim 1 or 2, it is characterized in that, described oxidation inhibitor comprises one in Hinered phenols antioxidant, monothioester kind antioxidant and phosphite ester kind antioxidant or arbitrary combination, and wherein said Hinered phenols antioxidant, monothioester kind antioxidant and phosphite ester kind antioxidant are one or more mixture of primary antioxidant and auxiliary antioxidant in respective class oxidation inhibitor; The weight proportion of described Hinered phenols antioxidant, monothioester kind antioxidant and phosphite ester kind antioxidant is: Hinered phenols antioxidant 0 ~ 2.0 part, monothioester kind antioxidant 0 ~ 3.0 part and phosphite ester kind antioxidant 0 ~ 2.0 part.
6. glass fiber reinforcement PP-RCT material as claimed in claim 1 or 2, it is characterized in that, described photostabilizer is one or more the mixture in hindered amine light stabilizer, salicylate light stabilizer and benzophenones photostabilizer.
7. glass fiber reinforcement PP-RCT material as claimed in claim 1 or 2, it is characterized in that, described composite beta crystal-type nucleater comprises the wherein two or more mixture of rare-earth carboxylate nucleator, tetrahydrophthalic anhydride carboxylate salt nucleator, aryl amide nucleator, polymer class nucleator and organo-metallic salt nucleator.
8. the preparation method of glass fiber reinforcement PP-RCT material described in any one in claim 1-7, is characterized in that, comprising:
1) atactic copolymerized polypropene, compatilizer, glass fibre, oxidation inhibitor, photostabilizer and composite beta crystal-type nucleater raw material is taken by weight, for subsequent use;
2) atactic copolymerized polypropene of described weight part, compatilizer, oxidation inhibitor, photostabilizer and composite beta crystal-type nucleater raw material are fully mixed;
3) in the material mixed, add glass fibre, then melt blending is extruded, and obtains described glass fiber reinforcement PP-RCT material.
9. preparation method as claimed in claim 8, is characterized in that,
Described step 2) in, utilize high mixer to carry out married operation to atactic copolymerized polypropene, compatilizer, oxidation inhibitor, photostabilizer and composite beta crystal-type nucleater raw material, mixing time is 3-5 minute.
10. preparation method as claimed in claim 8, is characterized in that,
In described step 3), utilize twin screw extruder to carry out melt blending and extrude operation, screw diameter 20 ~ the 65mm of described twin screw extruder, the length-to-diameter ratio of screw rod is 40:1, and mixed melting temperature is set as: first paragraph 160 ~ 180 DEG C, second segment 180 ~ 190 DEG C, 3rd section 190 ~ 200 DEG C, the 4th section 200 ~ 210 DEG C, the 5th section 210 ~ 220 DEG C, melt temperature 205 ~ 215 DEG C, head temperature 195 ~ 205 DEG C.
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Application publication date: 20160120 |