CN103788629B - High abrasion, low noise glass fiber enhanced nylon composite and preparation method - Google Patents

High abrasion, low noise glass fiber enhanced nylon composite and preparation method Download PDF

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Publication number
CN103788629B
CN103788629B CN201410040903.2A CN201410040903A CN103788629B CN 103788629 B CN103788629 B CN 103788629B CN 201410040903 A CN201410040903 A CN 201410040903A CN 103788629 B CN103788629 B CN 103788629B
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low noise
high abrasion
glass fiber
fiber enhanced
nylon composite
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CN103788629A (en
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陈光伟
孟成铭
张强
杨涛
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SHANGHAI RIZHISHENG TECHNOLOGY CO., LTD.
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Shanghai Rizhisheng New Technology Development 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
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
    • 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
    • B29C48/25—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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • 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
    • 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
    • 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
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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

Abstract

The invention discloses a kind of high abrasion, low noise glass fiber enhanced nylon composite and preparation method；Described compositions includes each component of following weight percentage: nylon 40～77%, anti-wear agent 3～12%, ABS5～15%, glass fibre 10～40%, compatilizer 3～8%, lubricant 0.2～0.5%, antioxidant 0.2～0.5%, coupling agent 0.2%～0.5%。Described each component except glass fibre being put in high-speed mixer and mix 5～10 minutes, the premix material after mixed is put in twin-screw extrusion owner's spout, and side spout adds after glass fibre extruding pelletization in the lump。High abrasion that the present invention prepares, low noise glass fiber enhanced nylon product have the features such as good comprehensive mechanical property, high abrasion, low sound damped coefficient, Heat stability is good and processing characteristics are excellent, it is adaptable to the field such as automobile, mining machinery。

Description

High abrasion, low noise glass fiber enhanced nylon composite and preparation method
Technical field
The present invention relates to high abrasion-resistance nylon preparation field, be specifically related to a kind of high abrasion, low noise glass fiber enhanced nylon composite and preparation method。
Background technology
Along with industrialized level development, the rise of " to mould Dai Gang ", the range of application of engineering plastics is increasingly wider, and performance requirement is also more and more higher, particularly requires the structural member of high intensity, low abrasion。Though nylon material has certain self lubricity, but in severe use environment, is difficult to meet instructions for use。
In recent years, domestic reach high abrasion effect by adding the auxiliary agent filled nylon such as politef, molybdenum tetrasulfide, High molecular weight polyethylene, and applied for Patents, but high abrasion, low noise glass fiber enhanced nylon composite are rarely reported。The present invention adds anti-wear agent bronze powder, ABS to prepare high abrasion, low noise glass fiber enhanced nylon composite, obtaining high abrasion effect simultaneously, improves the sound dampening factor of nylon material, reaches low noise, high intensity and wear-resisting effect。
Summary of the invention
Present invention aim to overcome that Shortcomings of the prior art, it is provided that a kind of high abrasion, low noise glass fiber enhanced nylon composite and preparation method。
It is an object of the invention to be achieved through the following technical solutions:
The present invention relates to a kind of high abrasion, low noise glass fiber enhanced nylon composite, described compositions includes each component of following weight percentage:
Preferably, described nylon resin melt flow rate (MFR) is 10～20g/10min。
Preferably, described ABS resin melt flow rate (MFR) is 2～10g/10min, and described ABS melt flow rate (MFR) scope is conducive to the comprehensive mechanical property of glass cladding and PA/GF/ABS alloy。Wherein, ABS is preferably 6～15%。
Preferably, described anti-wear agent is bronze powder, comprises Sn5～7%, Zn5～7%, Pb2～4% in the main component of described bronze powder。Pb2～4% in described composition, the addition being because Pb can reduce the coefficient of friction of bronze, but also can reduce bronze mechanical property, therefore content can not be too high；Zn5～7% in described composition, can improve mechanical property；Described composition Sn5-7%, the tin bronze alloys of preparation possesses high-wear resistance。
Preferably, described coupling agent is 3-triethoxysilyl-1-propylamine。
Preferably, described compatilizer be following any one: acrylonitrile-butadiene-styrene copolymer grafted maleic anhydride, polystyrene graft maleic anhydride。
Preferably, described antioxidant is that Hinered phenols antioxidant is composite with phosphite ester kind antioxidant。More preferably 168 and 1098 is that 1: 1 ratio is composite by weight。
Preferably, described lubricant is brown coal cerinic acid-ethylene glycol diester。
Preferably, described glass fibre is alkali-free glass fibre, and the surface of this glass fibre is through silane coupler immersion treatment。
The preparation method that the invention still further relates to aforesaid high abrasion, low noise glass fiber enhanced nylon composite, described method comprises the steps:
Step one, described nylon is dried 2～5 hours at 100 DEG C；
Step 2, other components except described glass fibre are put into high efficient mixer mixes discharging after 5～10 minutes, namely form premix material；
Step 3, described premix material and glass fibre being put into extrusion water-cooled pelletize in screw machine, the rotating speed of screw machine is 180～600 revs/min, and temperature is 230～270 DEG C。
Preferably, premix material is added by twin-screw extrusion owner's spout, and glass fibre is added by side spout。
Compared with prior art, there is advantages that
1, the present invention adopts anti-wear agent bronze powder, modifier A BS and glass and nylon matrix compound, has the features such as the anti-wear performance of excellence, high sound damping factor, good mechanical property。
2, nylon composite materials prepared by the present invention be particularly well-suited to that wearability is good, the gear part of low noise and good mechanical performance。
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail。Following example will assist in those skilled in the art and are further appreciated by the present invention, but do not limit the present invention in any form。It should be pointed out that, to those skilled in the art, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement。These broadly fall into protection scope of the present invention。The experimental technique of unreceipted actual conditions in following example, generally conventionally condition, or according to manufacturer it is proposed that condition, following example indication content is weight percentage。
Embodiment 1～3
The present embodiment 1～3 relates to high abrasion, low noise glass fiber enhanced nylon composite, its each component comprised and consumption thereof in Table 1。Wherein, nylon resin selects relative viscosity to be not less than the nylon (being specially PA66) of 2.7, and its melt flow rate (MFR) is 10～20g/10min；Anti-wear agent selects bronze powder, comprises Sn5～7%, Zn5～7%, Pb2～4% in main component；ABS resin is the ABS resin of melting means 2～10g/10min, and selecting melting means in the present embodiment is the ABS of 7.2g/10min；Compatilizer is acrylonitrile-butadiene-styrene (ABS) grafted maleic anhydride copolymer；Coupling agent is 3-triethoxysilyl-1-propylamine；Antioxidant is weight ratio be 1: 1 the compound of antioxidant 1098 and irgasfos 168；Lubricant is brown coal cerinic acid-ethylene glycol diester；Glass fibre is alkali-free glass fibre, and its surface is through silane coupler immersion treatment。
During preparation, weigh each raw material according to the percetage by weight in table 1, and nylon is dried 5 hours at 100 DEG C；Except glass fibre, other raw materials are put in high efficient mixer and mix 10 minutes, then discharging；The premix material of gained and glass fibre are put into extrusion water-cooled pelletize in dual-screw-stem machine, and the rotating speed of screw machine is 180-600 rev/min, and temperature is 230～270 DEG C。
Prepared high abrasion, low noise glass fiber enhanced nylon alloy, be injection molded into standard strip by standard size, and alloy property is tested by standard respectively, and properties is in Table 2。
Comparative example 1～3
This comparative example 1～3 relates to nylon composite materials compositions, and its each component comprised and consumption thereof are in Table 1。Specifically prepare with embodiment 1～3。
The nylon alloy prepared, is injection molded into standard strip by standard size, and alloy property is tested by standard respectively, and properties is in Table 2。
Table 1 embodiment 1～3 and comparative example 1～3 formula table
Raw material Embodiment 1 Comparative example 1 Embodiment 2 Comparative example 2 Embodiment 3 Comparative example 3
Nylon 50% 58% 46% 52% 47% 77%
Anti-wear agent 8% 12% 12% 8% 8%
ABS 6% 6% 6% 9% 9%
Compatilizer 5% 5% 5% 5% 5% 5%
Coupling agent 0.2% 0.2% 0.2% 0.2% 0.2% 0.2%
Antioxidant 0.4% 0.4% 0.4% 0.4% 0.4% 0.4%
Lubricant 0.4% 0.4% 0.4% 0.4% 0.4% 0.4%
Glass fibre 30% 30% 30% 30% 30%
Table 2 embodiment 1～3 and comparative example 1～3 performance table
As shown in Table 2: the addition of anti-wear agent bronze powder can be effectively improved the coefficient of kinetic friction of alloy, the coefficient of kinetic friction is more low, and the wearability of material is more good, and the wearability of bronze powder and glass fibre alloy has synergism；The addition of the ABS containing PB, can improve the sound dampening factor of composite, reduces the noise of material within the specific limits, and bronze powder is metal dust, phonon can be hindered in the propagation of matrix, improve the damping factor of composite。
Embodiment 4～6
The present embodiment 4～6 relates to high abrasion, low noise glass fiber enhanced nylon composite, its each component comprised and consumption thereof in Table 3。The specifically chosen same embodiment 1 of each component。
During preparation, weigh each raw material according to the percetage by weight in table 3, and nylon is dried 2 hours at 100 DEG C；Except glass fibre, other raw materials are put in high efficient mixer and mix 5 minutes, then discharging；The premix material of gained and glass fibre are put into extrusion water-cooled pelletize in dual-screw-stem machine, and the rotating speed of screw machine is 180～600 revs/min, and temperature is 230～270 DEG C。
Prepared high abrasion, low noise glass fiber enhanced nylon alloy, be injection molded into standard strip by standard size, and alloy property is tested by standard respectively, and properties is in Table 3。
Comparative example 4
This comparative example 4 relates to nylon composite materials compositions, and its each component comprised and consumption thereof are in Table 3。Specifically prepare with embodiment 4。The nylon alloy prepared, is injection molded into standard strip by standard size, and alloy property is tested by standard respectively, and properties is in Table 3。
The formula of table 3 embodiment 4～6 and comparative example 4 and performance table
Raw material Embodiment 4 Comparative example 4 Embodiment 5 Embodiment 6
Nylon 40% 40% 77% 40%
Anti-wear agent bronze powder 12% 3% 5%
PTFE 12%
ABS 15% 15% 6.3% 6%
Compatilizer 5% 5% 3% 8%
Coupling agent 0.5% 0.5% 0.3% 0.5%
Antioxidant 0.5% 0.5% 0.2% 0.2%
As shown in Table 3, under same content, add the alloy wear-resisting effect of bronze powder slightly better than the alloy adding PTFE, and alloy mechanical property is better than PTFE。
Above specific embodiments of the invention are described。It is to be appreciated that the invention is not limited in above-mentioned particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, and this has no effect on the flesh and blood of the present invention。

Claims (7)

1. a high abrasion, low noise glass fiber enhanced nylon composite, it is characterised in that described compositions is made up of each component of following weight percentage:
The melt flow rate (MFR) of described ABS is 2～10g/10min；
Described anti-wear agent is bronze powder, comprises Sn5～7%, Zn5～7%, Pb2～4% in the main component of described bronze powder；
Described coupling agent is 3-triethoxysilyl-1-propylamine。
2. high abrasion according to claim 1, low noise glass fiber enhanced nylon composite, it is characterised in that the melt flow rate (MFR) of described nylon is 10～20g/10min。
3. high abrasion according to claim 1, low noise glass fiber enhanced nylon composite, it is characterized in that, described compatilizer is any one in acrylonitrile-butadiene-styrene (ABS) grafted maleic anhydride copolymer, styrene-grafted copolymer-maleic anhydride。
4. high abrasion according to claim 1, low noise glass fiber enhanced nylon composite, it is characterised in that it is composite with phosphite ester kind antioxidant that described antioxidant is Hinered phenols antioxidant。
5. high abrasion according to claim 1, low noise glass fiber enhanced nylon composite, it is characterised in that described lubricant is brown coal cerinic acid-ethylene glycol diester。
6. high abrasion according to claim 1, low noise glass fiber enhanced nylon composite, it is characterised in that described glass fibre is alkali-free glass fibre, and the surface of described glass fibre is through silane coupler immersion treatment。
7. the preparation method of a high abrasion according to claim 1, low noise glass fiber enhanced nylon composite, it is characterised in that described method comprises the steps:
Step one, described nylon is dried 2～5 hours at 100 DEG C；
Step 2, other components except described glass fibre are put into high efficient mixer mixes discharging after 5～10 minutes, namely form premix material；
Step 3, described premix material and glass fibre being put into extrusion water-cooled pelletize in screw machine, the rotating speed of screw machine is 180～600 revs/min, and temperature is 230～270 DEG C。
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