CN110511490A - A kind of Long Glass Fiber Reinforced PP Composite and preparation method thereof - Google Patents
A kind of Long Glass Fiber Reinforced PP Composite and preparation method thereof Download PDFInfo
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- CN110511490A CN110511490A CN201910910007.XA CN201910910007A CN110511490A CN 110511490 A CN110511490 A CN 110511490A CN 201910910007 A CN201910910007 A CN 201910910007A CN 110511490 A CN110511490 A CN 110511490A
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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
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
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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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- 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
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Abstract
The present invention relates to polypropylene material technical fields, more particularly to a kind of Long Glass Fiber Reinforced PP Composite and preparation method thereof, including following parts by weight of component: component A: 30-90 parts of acrylic resin, 10-60 parts of alkali-free continuous glass fibre, 0.5-2.0 parts of lubricant, 0.01-0.1 parts of peroxide, 0.5-3.0 parts of silane coupling agent, 0.2-0.7 parts of antioxidant；B component: 30-90 parts of acrylic resin, 10-60 parts of alkali-free continuous glass fibre, 0.5-2.0 parts of lubricant, 1.0-4.0 parts of catalyst, 0.01-0.1 parts of peroxide, 0.2-0.7 parts of antioxidant.The present invention passes through peroxide degradation polypropylene and functionalization, realize polypropylene just has high fluidity and excellent effect of impregnation in impregnation process, and mechanical strength is improved by material reaction process after molding, material prepared have many advantages, such as floating fibre less, easily molded, performance is high.
Description
Technical field
The present invention relates to polypropylene material technical fields, and in particular to a kind of Long Glass Fiber Reinforced PP Composite and its
Preparation method.
Background technique
Acrylic resin (PP) is a kind of widely used general-purpose plastics, and roving glass fiber is generally used for improving high molecular material
Mechanical property, by the modified acrylic resin of roving glass fiber, performance is greatly improved, or even can reach engineering plastic
The degree of material can meet small arms packing case, automobile neck in practical applications to mould Dai Gang and replace enhancement engineering plastics
The fields such as domain, household electrical appliances requirement.But when existing roving glass fiber material is used for reinforced polypropylene, it is easy to appear floating fine phenomenon, no
The needs of product are able to satisfy, it is easy in material production to be separated with acrylic resin and float on surface, it is easy to cause obtained
PP composite material part roving glass fiber too high levels and shock resistance is too low.The product reliability drop of this material production
It is low, or even not as good as common polypropylene material.
Meet infiltration technique compared with high fluidity currently, producing long fibre enhanced polypropylene product matrix in industry and requiring
It is required that usually there are two types of selections: first is that high melt index (melting means) acrylic resin is selected, such as 100+g/10min, one is
Lower melting means acrylic resin (such as 30 ± g/10min) is selected to adjust stream by addition peroxide (such as cumyl peroxide)
Dynamic property.Main purpose is to improve the mobility of matrix, reduces matrix viscosity, improves dipping effect of the matrix between fibre single thread
Fruit, the dispersibility of fiber in improving material, reduces the floating fibre of product product, obtains preferable appearance.But it is selected to row
For industry, there is following defect: 1, the melting means of high melting means material is unstable, causes the technology stability in production process bad, produces
Product quality is inconsistent；2, high performance high melting means material price is higher, and the competitiveness of product is lower；3, increase peroxide to mention
The mode of high material mobility, one side mobility is unstable, on the other hand larger to the performance loss of product, also loses product
Competitiveness；4, high flow polypropylene molecular weight is lower, leads to polymeric substrate mechanical properties decrease.Height flowing poly- third in the market
Alkenyl material melting means is generally 60-120g/10min, and effective infiltration of the polypropylene in glass cannot still be completely secured, lead to interface
Intensity is low, and floating fine more, shock resistance is too low, and joined superelevation flow polypropylene or pass through peroxide degradation polypropylene
Substrate improves mobility, increases its flowing and infiltration between glass, then will lead to the reduction of polypropylene average molecular weight, mechanical
Performance decline.
Summary of the invention
It is an object of the invention to solve the above-mentioned problems in the prior art, a kind of long glass fiber reinforced poly- third is proposed
Alkene composite material and preparation method, the present invention improve polypropylene melt index and functionalization, polypropylene by reactive extrursion method
For melting means between 150-250g/10min, realize polypropylene just has high fluidity and excellent infiltration effect in impregnation process
Fruit can improve molecular weight by intermolecular cross-linking after machine-shaping, make up performance loss caused by degradation of polypropylene, made
Standby material have many advantages, such as floating fibre less, easily molded, performance is high.
In order to achieve the object of the present invention, the present invention adopts the following technical scheme:
A kind of Long Glass Fiber Reinforced PP Composite, according to parts by weight, including following component:
Component A: 30-90 parts of acrylic resin, 10-60 parts of alkali-free continuous glass fibre, 0.5-2.0 parts of lubricant, peroxide
0.01-0.1 parts of compound, 0.5-3.0 parts of silane coupling agent, 0.2-0.7 parts of antioxidant；
B component: 30-90 parts of acrylic resin, 10-60 parts of alkali-free continuous glass fibre, 0.5-2.0 parts of lubricant, catalysis
1.0-4.0 parts of agent, 0.01-0.1 parts of peroxide, 0.2-0.7 parts of antioxidant.
Further, the acrylic resin is homopolypropylene resin or acrylic resin copolymer, component A and B component
In melt index of the acrylic resin under 230 DEG C, 2.16kg be 3-100g/10min；After peroxide is adjusted, gather
The melt index of allyl resin is 200 ± 50g/10min.
Further, the alkali-free continuous glass fibre is the glass fiber precursor of unprocessed mistake, and the alkali-free is continuous
The specification of glass fibre is 13-20 μm of filament diameter, 1200tex-4800tex.
Further, the silane coupling agent is the silane coupling agent with double bond functional group.The molecule of silane coupling agent
General formula is R-Si-X3, R is vinyl, acrylic or cyclobutenyl, and X includes methoxyl group, ethyoxyl and butoxy etc., such as vinyl
Trimethoxy silane (A171), vinyltriethoxysilane (A151), allyltriethoxysilane, vinyl trichlorine silicon
Alkane, vinyl three ('beta '-methoxy ethyoxyl) silane, three tert-butoxy silane of vinyl, vinyl silane tri-butyl peroxy,
Vinyltriacetoxy silane etc. has the compound of double bond functional group, under the action of peroxide initiator can with it is poly-
Graft reaction occurs for propylene.
Further, the catalyst include organic acid tin, it is cobalt naphthenate, chelate, ethamine, hexylamine, dibutyl amine, inorganic
Acid or fatty acid catalyst.Catalyst is the auxiliary agent for having catalytic action to silane aquation, chelates catalyst
Using titanate ester, butyl titanate and four nonyl ester of metatitanic acid as representative, organic acid tin catalyst includes dilaurate dibutyl
Tin.
Further, the lubricant is silicone series lubricant agent, stearate series lubricant agent or stearmide series lubricant agent
Any one of.The parts by weight of preferred emollient are 0.8-1.7 parts, and the silicone that more preferable parts by weight are 1.0-1.5 parts lubricates
Agent.
Further, the peroxide includes benzoyl peroxide, cumyl peroxide, methyl ethyl ketone peroxide, mistake
Aoxidize two carbonic esters, benzoyl peroxide, 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane, 2,5-
Dimethyl-2,5-bis(t-butylperoxy) hexin；Different peroxide is selected according to processing temperature.
Further, the antioxidant be one or both of Hinered phenols antioxidant, phosphite ester antioxidant, such as
Antioxidant 1010,1035,1076,300,1790,168,626, DSTP, DLTP etc..
A kind of preparation method of Long Glass Fiber Reinforced PP Composite, which comprises the following steps:
(1) setting drying temperature is 70-85 DEG C, dry 1-2h, and acrylic resin drying to the moisture content of A, B component is existed
0.01% hereinafter, obtain dry acrylic resin；
(2) acrylic resin, the alkali-free continuous glass fibre, lubricant, peroxidating in component A are weighed respectively in proportion
Object, silane coupling agent, antioxidant and B component acrylic resin, alkali-free continuous glass fibre, lubricant, catalyst, mistake
Oxide, antioxidant；Load weighted component A, B component are added separately in mixing machine in proportion, setting mixing machine turns
Fast range is 200-400r/min, is stirred 1-3min, and polypropylene miser A, polypropylene miser are made after mixing
B。
(3) extruder temperature that double screw extruder is arranged is 180-240 DEG C, 200-500 revs/min of revolving speed, will be above-mentioned poly-
Propylene mixtures A, B are individually squeezed out with double screw extruder, and colloidal sol pond is directly entered after extrusion, and setting colloidal sol pond temperature is
230-260 DEG C, by LFT-G technique tie rod, be granulated after cooling, obtain Silane Grafted long glass fiber-reinforced polypropylene materials A and
Long glass fiber-reinforced polypropylene materials B with catalysis, component A and B component are separated；
In use, the A after granulation, B component is mixed with the ratio of 19:1~15:5, extruder or injection molding machine warp is added
Molding preparation related components, by components finished product stewing process 1-5 hours under the conditions of 85% relative humidity and 90 DEG C of temperature
It is dry or by normal temperature crosslinked 7 days or more, it can be obtained high-intensitive Long Glass Fiber Reinforced PP Composite product.
Beneficial effects of the present invention:
(1) it has widened the range of choice of raw material: can targetedly select different gather according to different application scenarios
Propylene substrate, is changed by formula composition, so that the mobility of material has very high controllability, recipe ingredient range of choice
Greatly, the cost competitiveness of product can be significantly improved.
(2) floating fibre is reduced, polymer surfaces effect is improved: polypropylene molecule amount is adjusted by peroxide, is increased poly-
Propylene is in interfibrous flowing and infiltration, while the silane and glass that are grafted have good compatibility, solve melt polypropylene
Impregnate glass is difficult, glass bunchy there are the problem of.
(3) it improves the intensity of polymer product: under the action of catalyst, being combined by polypropylene internal group, and
The chemical reaction of silane and glass silicone hydroxyl forms interfacial bond, increases boundary strength and cladding ability, improves spike protein gene
Required energy and polymer molecular weight, while eliminating high flow polypropylene and causing polymer strength low because molecular weight is small
Unfavorable factor, to improve material property.
Specific embodiment
Clear, complete description is carried out to technical solution of the present invention below in conjunction with specific embodiment, it is clear that described
Embodiment be only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ability
Without making creative work, every other embodiment obtained belongs to this hair to domain those of ordinary skill
The range of bright protection.
For a further understanding of the present invention, the following describes the present invention in detail with reference to examples.
Embodiment 1
The each component in component A and component B is weighed according to table 1, wherein it is 60- that acrylic resin, which is selected as melt index,
The acrylic resin copolymer of 70g/10min (230 DEG C/2.16kg)；Preparation step is as follows:
(1) acrylic resin of A, B component is dried at 70 DEG C 2h, makes the control of its moisture 0.01% hereinafter, obtaining
Dry acrylic resin；
(2) load weighted component A, B component are added separately in mixing machine in proportion, the setting mixing machine range of speeds is
400r/min is stirred 1min, and polypropylene miser A, polypropylene miser B are made after mixing, places at room temperature
18h；
(3) extruder temperature that double screw extruder is arranged is 240 DEG C, 500 revs/min of revolving speed, above-mentioned polypropylene is mixed
Object A, B are squeezed out with double screw extruder respectively, colloidal sol pond are directly entered after extrusion, setting colloidal sol pond temperature is 260 DEG C, then is distinguished
By LFT-G technique tie rod, it is granulated after cooling, obtained A, B component is separated；In use, by A, B component with 17:3
Ratio mixture, stewing process 2 hours or pass through normal temperature crosslinked 7 days under the conditions of 85% relative humidity and 90 DEG C, it is dry, i.e.,
Long Glass Fiber Reinforced PP Composite is made.
Embodiment 2
The each component in component A and component B is weighed according to table 1, wherein it is 30- that acrylic resin, which is selected as melt index,
The acrylic resin copolymer of 50g/10min (230 DEG C/2.16kg)；Preparation step is as follows:
(1) acrylic resin of A, B component is dried at 85 DEG C 1h, makes the control of its moisture 0.01% hereinafter, obtaining
Dry acrylic resin；
(2) load weighted component A, B component are added separately in mixing machine in proportion, the setting mixing machine range of speeds is
200r/min is stirred 3min, and polypropylene miser A, polypropylene miser B are made after mixing, places at room temperature
24h；
(3) extruder temperature that double screw extruder is arranged is 200 DEG C, 400 revs/min of revolving speed, above-mentioned polypropylene is mixed
Object A, B are squeezed out with double screw extruder respectively, colloidal sol pond are directly entered after extrusion, setting colloidal sol pond temperature is 250 DEG C, then is distinguished
By LFT-G technique tie rod, it is granulated after cooling, obtained A, B component is separated；In use, by A, B component with 18:2
Ratio mixture, stewing process 3 hours or pass through normal temperature crosslinked 7 days under the conditions of 85% relative humidity and 90 DEG C, it is dry, i.e.,
Long Glass Fiber Reinforced PP Composite is made.
Embodiment 3
The each component in component A and component B is weighed according to table 1, wherein it is 90- that acrylic resin, which is selected as melt index,
The homopolypropylene resin of 100g/10min (230 DEG C/2.16kg)；Preparation step is as follows:
(1) acrylic resin of A, B component is dried at 75 DEG C 1.5h, makes the control of its moisture 0.01% hereinafter, obtaining
Acrylic resin must be dried；
(2) load weighted component A, B component are added separately in mixing machine in proportion, the setting mixing machine range of speeds is
300r/min is stirred 2min, and polypropylene miser A, polypropylene miser B are made after mixing, places at room temperature
20h；
(3) extruder temperature that double screw extruder is arranged is 220 DEG C, 300 revs/min of revolving speed, above-mentioned polypropylene is mixed
Object A, B are squeezed out with double screw extruder respectively, colloidal sol pond are directly entered after extrusion, setting colloidal sol pond temperature is 230 DEG C, then is distinguished
By LFT-G technique tie rod, it is granulated after cooling, obtained A, B component is separated；In use, by A, B component with 15:5
Ratio mixture, stewing process 4 hours or pass through normal temperature crosslinked 7 days under the conditions of 85% relative humidity and 90 DEG C, it is dry, i.e.,
Long Glass Fiber Reinforced PP Composite is made.
Embodiment 4
The each component in component A and component B is weighed according to table 1, wherein it is 10- that acrylic resin, which is selected as melt index,
The homopolypropylene resin of 20g/10min (230 DEG C/2.16kg)；Preparation step is as follows:
(1) acrylic resin of A, B component is dried at 80 DEG C 2h, makes the control of its moisture 0.01% hereinafter, obtaining
Dry acrylic resin；
(2) load weighted component A, B component are added separately in mixing machine in proportion, the setting mixing machine range of speeds is
400r/min is stirred 1min, and polypropylene miser A, polypropylene miser B are made after mixing, places at room temperature
22h；
(3) extruder temperature that double screw extruder is arranged is 190 DEG C, 200 revs/min of revolving speed, above-mentioned polypropylene is mixed
Object A, B are squeezed out with double screw extruder respectively, colloidal sol pond are directly entered after extrusion, setting colloidal sol pond temperature is 240 DEG C, then is distinguished
By LFT-G technique tie rod, it is granulated after cooling, obtained A, B component is separated；In use, by A, B component with 19:1
Ratio mixture, stewing process 1 hour or pass through normal temperature crosslinked 7 days under the conditions of 85% relative humidity and 90 DEG C, it is dry, i.e.,
Long Glass Fiber Reinforced PP Composite is made.
Embodiment 5
The each component in component A and component B is weighed according to table 1, wherein it is 10- that acrylic resin, which is selected as melt index,
The homopolypropylene resin of 20g/10min (230 DEG C/2.16kg)；Preparation step is as follows:
(1) acrylic resin of A, B component is dried at 70 DEG C 2h, makes the control of its moisture 0.01% hereinafter, obtaining
Dry acrylic resin；
(2) load weighted component A, B component are added separately in mixing machine in proportion, the setting mixing machine range of speeds is
300r/min is stirred 3min, and polypropylene miser A, polypropylene miser B are made after mixing, places at room temperature
23h；
(3) extruder temperature that double screw extruder is arranged is 230 DEG C, 500 revs/min of revolving speed, above-mentioned polypropylene is mixed
Object A, B are squeezed out with double screw extruder respectively, colloidal sol pond are directly entered after extrusion, setting colloidal sol pond temperature is 260 DEG C, then is distinguished
By LFT-G technique tie rod, it is granulated after cooling, obtained A, B component is separated；In use, by A, B component with 15:5
Ratio mixture, stewing process 2.5 hours or pass through normal temperature crosslinked 7 days under the conditions of 85% relative humidity and 90 DEG C, it is dry,
Obtain Long Glass Fiber Reinforced PP Composite.
Comparative example 1
Each component is weighed according to table 1, preparation step is as follows:
(1) the homopolypropylene resin that melt index is 10-20g/10min (230 DEG C/2.16kg) is carried out at 70 DEG C
Dry 2h makes the control of its moisture 0.01% hereinafter, obtaining dry acrylic resin；
(2) grafting compatilizer is mixed in proportion to be made with crosslinking agent, antioxidant and compounds anti-floating fibre composition, mixed
Method is to be stirred 1min in the range of speeds of 400r/min using mixing machine；
(3) above-mentioned polypropylene miser is squeezed out with double screw extruder, host feeding frequency 7Hz, extruder temperature 240
DEG C, 260 DEG C of colloidal sol pond temperature, the tie rod by way of LFT-G is granulated with pelleter, and it is dry, obtain compounding roving glass fiber
Reinforced polypropylene composition pellet.
Comparative example 2
Each component is weighed according to table 1, preparation step is as follows:
(1) acrylic resin copolymer that melt index is 30-50g/10min (230 DEG C/2.16kg) is carried out at 85 DEG C
Dry 1h makes the control of its moisture 0.01% hereinafter, obtaining dry acrylic resin；
(2) grafting compatilizer is mixed in proportion to be made with crosslinking agent, antioxidant and compounds anti-floating fibre composition, mixed
Method is to be stirred 3min in the range of speeds of 200r/min using mixing machine；
(3) above-mentioned polypropylene miser is squeezed out with double screw extruder, host feeding frequency 7Hz, extruder temperature 200
DEG C, 250 DEG C of colloidal sol pond temperature, the tie rod by way of LFT-G is granulated with pelleter, and it is dry, obtain compounding roving glass fiber
Reinforced polypropylene composition pellet.
Comparative example 3
Each component is weighed according to table 1, preparation step is as follows:
(1) by melt index be 90-100g/10min (230 DEG C/2.16kg) acrylic resin copolymer at 75 DEG C into
The dry 2h of row makes the control of its moisture 0.01% hereinafter, obtaining dry acrylic resin；
(2) grafting compatilizer is mixed in proportion to be made with crosslinking agent, antioxidant and compounds anti-floating fibre composition, mixed
Method is to be stirred 2min in the range of speeds of 300r/min using mixing machine；
(3) above-mentioned polypropylene miser is squeezed out with double screw extruder, host feeding frequency 7Hz, extruder temperature 220
DEG C, 230 DEG C of colloidal sol pond temperature, the tie rod by way of LFT-G is granulated with pelleter, and it is dry, obtain compounding roving glass fiber
Reinforced polypropylene composition pellet.
The group of 1 embodiment and comparative example of table is grouped as and its parts by weight
Test example
Quantitative measurement and surface floating fiber test are carried out to embodiment 1-5 and comparative example 1-3, test experiments data are such as
The following table 2:
The test result of table 2 embodiment and comparative example
By above-mentioned performance test data it is found that by being modified online to polypropylene, can not add additionally it is compatible
Long glass fiber-reinforced polypropylene materials are prepared in the case where agent, there is high fluidity in impregnation process in polypropylene, into effect
It is good, it floats fine few；By post-processing realize it is polypropylene grafted be crosslinked, interface silicon alkanisation, mechanical property is increased,
Suitable for preparing high-intensitive long fiber-reinforcing material.Comparative example 2 and comparative example 2, embodiment 3 and comparative example 3, embodiment 4
With comparative example 1, it can be seen that various embodiments of the present invention are much higher than the same fiber additive amount normally produced in aspect of performance
Enhancing PP, while the floating fibre of article surface also have it is substantially reduced.And eutectic is used to refer to as the embodiment 5 of material matrix in floating fibre
And performance is also superior to comparative example 3 in terms of physical property.
Above description is merely a preferred embodiment of the present invention, and is not limitation of the present invention, all in the contents of the present invention
Any modification, equivalent replacement, the remodeling etc. made in range, should be included within scope of patent protection of the invention.
Claims (9)
1. a kind of Long Glass Fiber Reinforced PP Composite, which is characterized in that according to parts by weight, including following component:
Component A: 30-90 parts of acrylic resin, 10-60 parts of alkali-free continuous glass fibre, 0.5-2.0 parts of lubricant, peroxide
0.01-0.1 parts, 0.5-3.0 parts of silane coupling agent, 0.2-0.7 parts of antioxidant；
B component: 30-90 parts of acrylic resin, 10-60 parts of alkali-free continuous glass fibre, 0.5-2.0 parts of lubricant, catalyst
1.0-4.0 parts, 0.01-0.1 parts of peroxide, 0.2-0.7 parts of antioxidant.
2. Long Glass Fiber Reinforced PP Composite according to claim 1, which is characterized in that the acrylic resin is
Homopolypropylene resin or acrylic resin copolymer, acrylic resin selection is at 230 DEG C, melt index under the conditions of 2.16kg
For the acrylic resin of 3-100g/10min.
3. Long Glass Fiber Reinforced PP Composite according to claim 1, which is characterized in that the continuous glass of alkali-free
Fiber is the glass fiber precursor of unprocessed mistake, and the specification of the alkali-free continuous glass fibre is 13-20 μm of filament diameter,
1200tex-4800tex。
4. Long Glass Fiber Reinforced PP Composite according to claim 1, which is characterized in that the silane coupling agent is
Silane coupling agent with double bond functional group.
5. Long Glass Fiber Reinforced PP Composite according to claim 1, which is characterized in that the catalyst includes
Machine acid tin, cobalt naphthenate, chelate, ethamine, hexylamine, dibutyl amine, inorganic acid or fatty acid catalyst.
6. foaming Long Glass Fiber Reinforced PP Composite according to claim 1, which is characterized in that the lubricant
For any one of silicone series lubricant agent, stearate series lubricant agent or stearmide series lubricant agent.
7. foaming Long Glass Fiber Reinforced PP Composite according to claim 1, which is characterized in that the peroxidating
Object includes benzoyl peroxide, cumyl peroxide, methyl ethyl ketone peroxide, peroxy dicarbonate, benzoyl peroxide uncle
Butyl ester, 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane, 2,5-dimethyl-2,5-bis- (t-butyl peroxies
Base) hexin.
8. foaming Long Glass Fiber Reinforced PP Composite according to claim 1, which is characterized in that the antioxidant
For one or both of Hinered phenols antioxidant, phosphite ester antioxidant.
9. a kind of preparation method of Long Glass Fiber Reinforced PP Composite, which comprises the following steps:
(1) acrylic resin of A, B component is dried to moisture content 0.01% hereinafter, obtaining dry acrylic resin；
(2) component A and B component are weighed respectively in proportion；Load weighted component A, B component are added separately in proportion mixed
In conjunction machine, polypropylene miser A, polypropylene miser B are made after mixing, places at room temperature；
(3) above-mentioned polypropylene miser A, B are squeezed out with double screw extruder respectively, colloidal sol pond is directly entered after extrusion, then divide
Not Tong Guo LFT-G technique tie rod, be granulated after cooling, obtain Silane Grafted long glass fiber-reinforced polypropylene materials A and have catalysis
The long glass fiber-reinforced polypropylene materials B of function, component A and B component are separated；In use, by after granulation A, B component with
The ratio mixture of 19:1~15:5, stewing process 1-5 hour or by room temperature friendship under the conditions of 85% relative humidity and 90 DEG C
It is connection no less than 7 days, dry, obtain Long Glass Fiber Reinforced PP Composite.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111087698A (en) * | 2019-12-31 | 2020-05-01 | 上海普利特复合材料股份有限公司 | Long fiber reinforced polypropylene composite material for improving floating fiber and high surface finish degree and preparation method thereof |
| CN111171443A (en) * | 2019-12-27 | 2020-05-19 | 合肥圆融新材料有限公司 | Special polypropylene reinforcing material for water pump and preparation method thereof |
| CN112920507A (en) * | 2021-01-25 | 2021-06-08 | 青岛海尔新材料研发有限公司 | Visual high-temperature-resistant hydrolysis-resistant glass fiber reinforced polypropylene composite material for automobile water chamber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330789A (en) * | 2015-12-08 | 2016-02-17 | 日丰企业集团有限公司 | Crosslinked glass fiber reinforced polypropylene composite and preparation method thereof |
| CN105482242A (en) * | 2015-12-30 | 2016-04-13 | 上海普利特复合材料股份有限公司 | High-strength and high-toughness long glass fiber reinforced polypropylene composite material and preparation method thereof |
| CN106084494A (en) * | 2016-08-26 | 2016-11-09 | 青岛海尔新材料研发有限公司 | Roving glass fiber PP composite material and preparation method thereof |
| CN110016182A (en) * | 2019-03-21 | 2019-07-16 | 江苏金发科技新材料有限公司 | Ageing-resistant anti-precipitation long glass fiber-reinforced polypropylene materials and preparation method thereof |
-
2019
- 2019-09-25 CN CN201910910007.XA patent/CN110511490A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330789A (en) * | 2015-12-08 | 2016-02-17 | 日丰企业集团有限公司 | Crosslinked glass fiber reinforced polypropylene composite and preparation method thereof |
| CN105482242A (en) * | 2015-12-30 | 2016-04-13 | 上海普利特复合材料股份有限公司 | High-strength and high-toughness long glass fiber reinforced polypropylene composite material and preparation method thereof |
| CN106084494A (en) * | 2016-08-26 | 2016-11-09 | 青岛海尔新材料研发有限公司 | Roving glass fiber PP composite material and preparation method thereof |
| CN110016182A (en) * | 2019-03-21 | 2019-07-16 | 江苏金发科技新材料有限公司 | Ageing-resistant anti-precipitation long glass fiber-reinforced polypropylene materials and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 徐百平: "《塑料挤出成型技术》", 31 August 2011, 中国轻工业出版社 * |
| 杨明山等: "《现代工程塑料改性 理论与实践》", 31 July 2009, 中国轻工业出版社 * |
| 杨桂生等: "《工程塑料》", 31 December 2017, 中国铁道出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111171443A (en) * | 2019-12-27 | 2020-05-19 | 合肥圆融新材料有限公司 | Special polypropylene reinforcing material for water pump and preparation method thereof |
| CN111087698A (en) * | 2019-12-31 | 2020-05-01 | 上海普利特复合材料股份有限公司 | Long fiber reinforced polypropylene composite material for improving floating fiber and high surface finish degree and preparation method thereof |
| CN111087698B (en) * | 2019-12-31 | 2022-05-27 | 上海普利特复合材料股份有限公司 | Long fiber reinforced polypropylene composite material for improving floating fiber and high surface finish degree and preparation method thereof |
| CN112920507A (en) * | 2021-01-25 | 2021-06-08 | 青岛海尔新材料研发有限公司 | Visual high-temperature-resistant hydrolysis-resistant glass fiber reinforced polypropylene composite material for automobile water chamber |
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