CN103819927A - Light-colored antistatic liquid crystal polymer composite material and preparation method thereof - Google Patents
Light-colored antistatic liquid crystal polymer composite material and preparation method thereof Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7461—Combinations of dissimilar mixers
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- 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
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. 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
- 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
- B29C48/04—Particle-shaped
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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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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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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- 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
- B29B9/12—Making granules characterised by structure or composition
- B29B2009/125—Micropellets, microgranules, microparticles
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- 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
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
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- 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
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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
- B29C2948/92561—Time, e.g. start, termination, duration or interruption
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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
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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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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- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
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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
- B29C2948/92819—Location or phase of control
- B29C2948/92838—Raw material pre-treatment, e.g. drying or cleaning
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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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
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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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The invention relates to a light-colored antistatic liquid crystal polymer composite material and a preparation method thereof. The composite material comprises the following main components by weight: 50-80% of liquid crystal high molecule, 5-30% of glass fiber, 5-30% of an anti-static agent, 5-20% of a modified inorganic filling material, and 0.2-5% of an antioxygen. The preparation method comprises the following steps: performing surface modification treatment on the inorganic filling material by a titanate coupling agent 401, and respectively drying the treated inorganic filling material, the liquid crystal high molecule, the glass fiber and the anti-static agent under a vacuum condition at the temperature of 100-200 DEG C for 1-10 h to be mixed with the antioxygen and other additives in a high-speed mixer for 2-10 minutes according to a certain ratio; adding the uniformly mixed mixture into a double-screw extruder to be extruded and pelletized. The light-colored antistatic liquid crystal polymer composite material prepared by the invention is simple in preparation technology and excellent in the mechanical property.
Description
Technical field
The present invention relates to technical field of polymer materials, relate to a kind of light color and there is liquid crystal polymer composite of antistatic property and preparation method thereof.
Background technology
At present, along with the development of polymer material science and technology, more complicated and diversified for the demand of material property, liquid crystal polymer has caused people's attention gradually.Wherein thermotropic liquid crystal high polymer (TLCP) is a kind of high performance polymer material, has very excellent mechanical property, and heat-drawn wire is high, and precision size degree and dimensional stability are all very high, become rapidly domestic and international study hotspot.TLCP can be used for manufacturing precise electronic product part, circuit card, vehicle mould, assembly etc.But because TLCP has very high surface resistivity, limit to a certain extent its application, need to further improve its performance, could have been applied widely.
Reduce the surface resistivity of polymkeric substance, general by modes such as interior interpolation static inhibitor or small molecules graphitized carbon blacks, Chinese patent (101768448A) is by adding carbon black, the inorganic conductive filler filler as TLCP, obtain having the TLCP of certain static resistance, but this invents obtained polymkeric substance is black, be difficult to change color, in application process, be subject to many limitations, and static resistance poor effect.And because TLCP has very high heat-drawn wire (HDT), some conventional static inhibitor are difficult to the heat resisting temperature that reaches such, allow to keep high heat resistance, also can be difficult to migrate to polymer surfaces because of the high-precision of TLCP, cause static resistance poor effect, persistence is low.The present invention, by composite with a kind of polymeric antistatic agent with high heat resistance and other inorganic conductive fillers, allows its keep overall constant rate of migration, and the surface resistivity of TLCP obviously declines, and keeps for a long time good static resistance.
Summary of the invention
For the defect of prior art, the present invention use a kind of polymeric antistatic agent with high heat resistance and other inorganic conductive fillers composite, allow it keep overall constant rate of migration, the surface resistivity of TLCP matrix material obviously declines, and keeps for a long time good static resistance.
The present invention is achieved by the following technical solutions:
A kind of light-colored antistatic liquid crystal polymer composite, is made up of liquid crystal polymer, glass fibre, static inhibitor, mineral filler and oxidation inhibitor, and the weight percent of its component is as follows:
Described liquid crystal polymer is to be selected from one or both in Puli special KG300, the LCP6300BK of Du Pont,
Described glass fibre is short glass fiber and/or long glass fibres;
Described static inhibitor is one or more that are selected from Clariant HS-1, Clariant SAS-93, BASF IrgastatP18;
Described mineral filler is to be selected from one or both in conductive titanium dioxide LJ-R944, nano antimony-doped tin dioxide GN-F-A01;
Described conductive titanium dioxide, nano antimony-doped tin dioxide all first used titanate coupling agent 401(tetra isopropyl two (the sub-tetra-sodium fat of dioctyl) titanic acid ester) carry out surface modification treatment, coupling agent consumption is 5%～10% of packing quality used, obtains the mineral filler of modification;
Described oxidation inhibitor is one or more of BASF irgasfos 168, antioxidant 1010 and oxidation inhibitor PS100.
The present invention also provides the preparation method who meets material described in a kind of, specifically prepares concrete steps as follows:
(1) be that mass percent is 5% solution with dehydrated alcohol by titanate coupling agent 401 dilutions, mineral filler is added in above-mentioned coupling agent solution, after stirring 30～60min, become starchiness, dried to Powdered, obtain the mineral filler after modification;
(2) again the mineral filler after liquid crystal polymer, glass fibre, modification, static inhibitor are distinguished at 100-200 ℃ to vacuum-drying 1-10 hour, in described ratio, they are mixed in high speed mixer to 2-10 minute with oxidation inhibitor;
(3) by step 2) material that mixes adds that forcing machine is extruded, granulation, the each district of forcing machine temperature is respectively: 280～300 ℃, 300～310 ℃, 300～310 ℃, 310～320 ℃, 310～320 ℃, 320～330 ℃, 320～340 ℃, rotating speed is 100～200 revs/min, obtains light-colored antistatic liquid crystal polymer composite.
Described forcing machine is single screw extrusion machine or twin screw extruder.
Obtained material is prepared sample detection antistatic property by injection moulding machine injection molding.
Beneficial effect
The present invention adopts static inhibitor and inorganic molecules as filler, by carrying out the compound light-colored antistatic liquid crystal polymer composite that obtains with TLCP.Compared with prior art, the prepared light-colored antistatic liquid crystal of the present invention high score matrix material antistatic property excellence, and keep good mechanical property.TLCP surface resistivity is reduced to 10
8-10
9Ω/sq, antistatic effect is lasting, and water-wash resistance is good, has cost low, effective advantage.Light color TLCP can add colour batch to change material color in post-production process, and the diversity of materials'use is provided, and is applicable to suitability for industrialized production.
Embodiment
Embodiment further describes the present invention below, is not violating under aim of the present invention, and the present invention should be not limited to the content that following examples are specifically expressed.
The present invention is raw materials used as follows, is all commercially available prod:
Liquid crystal polymer, KG300, Shanghai Pulite Composite Material Co., Ltd;
Liquid crystal polymer, LCP6300BK, Du Pont China Holding Co., Ltd.;
Glass fibre, 3010A, Chongqing Polycomp International Co., Ltd;
Static inhibitor, HS-1, Clariant SAS-93, Switzerland's Clariant Chemical Group;
Static inhibitor, Irgastat P18, German BASF AG;
Conductive titanium dioxide, LJ-R944, Shanghai Liang Jiang titanium white heavy chemicals company limited;
Nano antimony-doped tin dioxide, GN-F-A01, many its nanosecond science and technology Shanghai company limiteds;
Antioxidant 1010, irgasfos 168, oxidation inhibitor PS800, German BASF AG
Embodiment 1
With dehydrated alcohol, titanate coupling agent 401 being diluted is that mass percent is 5% solution, and titanium dioxide LJ-R944 is added in above-mentioned coupling agent solution, after stirring 30～60min, becomes starchiness, is dried to Powdered, obtains the titanium dioxide LJ-R944 after modification.Accurately take 69.3 parts of liquid crystal polymer KG300,10 parts of glass fibre 3010A, 10 parts of static inhibitor HS-1, the conductive titanium dioxide LJ-R944 after 10 parts of modifications, and 0.3 part of antioxidant 1010,0.4 part of irgasfos 168.Liquid crystal polymer, glass fibre, the vacuum-drying 5 hours at 120 ℃ of static inhibitor and conductive titanium dioxide.Dried material is added in high speed mixer and is mixed 5 minutes, then the material after mixing is added in twin screw extruder extrude, granulation.Forcing machine each district temperature from spout to extrusion die is respectively 280 ℃, 300 ℃, 310 ℃, 320 ℃, 320 ℃, 330 ℃, 340 ℃, and rotating speed is 150 revs/min.The polymkeric substance obtaining is dried to 4 hours at 120 ℃, prepares the batten of test performance with injection moulding method.340 ℃ of injection temperatures, injection pressure 20MPa, inject time 5sec, cooling time 5sec, 100 ℃ of mould temperature.The batten preparing is statically placed in to 25 ℃ of temperature, test performance after 24 hours in the thermostatic constant wet chamber of 50% humidity.The tensile strength of gained liquid crystal polymer composite is 142MPa, and notched Izod impact strength is 135J/m, and flexural strength is 210MPa, and heat-drawn wire is 257 ℃.Placing one day rear surface resistivity is 5.7 × 10
12Ω .cm, placing 7 days rear surface resistivity is 6.3 × 10
9Ω .cm, placing 30 days rear surface resistivity is 4.9 × 10
8Ω .cm.The good mechanical performance of gained liquid crystal polymer composite, surface resistivity can reach 10
8Ω .cm left and right, has good antistatic effect.
Embodiment 2
With dehydrated alcohol, titanate coupling agent 401 being diluted is that mass percent is 5% solution, and titanium dioxide LJ-R944 is added in above-mentioned coupling agent solution, after stirring 30～60min, becomes starchiness, is dried to Powdered, obtains the titanium dioxide LJ-R944 after modification.Accurately take 59.3 parts of liquid crystal polymer KG300,10 parts of glass fibre 3010A, 15 parts of static inhibitor HS-1, the conductive titanium dioxide LJ-R944 after 15 parts of modifications, and 0.3 part of antioxidant 1010,0.4 part of irgasfos 168.Liquid crystal polymer, glass fibre, the vacuum-drying 5 hours at 120 ℃ of static inhibitor and conductive titanium dioxide.All the other operations are identical with embodiment 1, and the batten preparing is statically placed in to 25 ℃ of temperature, test performance after 24 hours in the thermostatic constant wet chamber of 50% humidity.The tensile strength of gained liquid crystal polymer composite is 115MPa, and notched Izod impact strength is 110J/m, and flexural strength is 147MPa, and heat-drawn wire is 235 ℃.Placing one day rear surface resistivity is 5.9 × 10
10Ω .cm, placing 7 days rear surface resistivity is 2.2 × 10
8Ω .cm, placing 30 days rear surface resistivity is 8.4 × 10
7Ω .cm.Increasing after static inhibitor and mineral filler consumption, the mechanical property of gained liquid crystal polymer composite slightly declines than embodiment 1, but surface resistivity can remain on 10 for a long time
7Ω .cm left and right, has good antistatic effect.
Embodiment 3
With dehydrated alcohol, titanate coupling agent 401 being diluted is that mass percent is 5% solution, nano antimony-doped tin dioxide GN-F-A01 is added in above-mentioned coupling agent solution, after stirring 30～60min, become starchiness, dried to Powdered, obtained the nano antimony-doped tin dioxide GN-F-A01 after modification.Accurately take 59.3 parts of liquid crystal polymer LCP6300BK, 10 parts of glass fibre 3010A, 10 parts of static inhibitor Irgastat P18, the nano antimony-doped tin dioxide GN-F-A01 after 20 parts of modifications, and 0.3 part of antioxidant 1010,0.4 part of irgasfos 168.Liquid crystal polymer, glass fibre, the vacuum-drying 5 hours at 120 ℃ of static inhibitor and conductive titanium dioxide.All the other operations are identical with embodiment 1, and the batten preparing is statically placed in to 25 ℃ of temperature, test performance after 24 hours in the thermostatic constant wet chamber of 50% humidity.The tensile strength of gained liquid crystal polymer composite is 118MPa, and notched Izod impact strength is 116J/m, and flexural strength is 142MPa, and heat-drawn wire is 231 ℃.Placing one day rear surface resistivity is 4.6 × 10
9Ω .cm, placing 7 days rear surface resistivity is 9.1 × 10
8Ω .cm, placing 30 days rear surface resistivity is 6.4 × 10
7Ω .cm.Apply different liquid crystal polymers and mineral filler, the mechanical property of gained liquid crystal polymer is close with embodiment 2, and surface resistivity also can remain on 10 for a long time
7Ω .cm left and right, has good antistatic effect.
The Antistatic type liquid crystal polymer composite making according to aforesaid method has good static resistance, and persistence is high, and has kept to the full extent tensile strength, shock strength and the flexural strength of material, and heat-drawn wire changes not quite.Because the prepared liquid crystal polymer composite of present method is of light color, have post-production diversity, therefore, the present invention has stronger application prospect simultaneously.
Claims (3)
1. a light-colored antistatic liquid crystal polymer composite, is characterized in that, described matrix material is made up of liquid crystal polymer, glass fibre, static inhibitor, mineral filler and oxidation inhibitor, and the weight percent of its component is as follows:
Described liquid crystal polymer is to be selected from one or both in Puli special KG300, the LCP6300BK of Du Pont;
Described glass fibre is short glass fiber and/or long glass fibres;
Described static inhibitor is one or more that are selected from Clariant HS-1, Clariant SAS-93, BASF IrgastatP18;
Described mineral filler is to be selected from one or both in conductive titanium dioxide LJ-R944, nano antimony-doped tin dioxide GN-F-A01;
The mineral filler of described modification is: conductive titanium dioxide or nano antimony-doped tin dioxide are carried out to surface modification treatment with titanate coupling agent 401, and coupling agent consumption is packing quality used 5%～10%;
Described oxidation inhibitor is to be selected from one or more of BASF irgasfos 168, antioxidant 1010 and oxidation inhibitor PS100.
2. a preparation method for light-colored antistatic liquid crystal polymer composite as claimed in claim 1, is characterized in that, the comprising the steps: of described method
(1) be that mass percent is 5%～10% solution with dehydrated alcohol by titanate coupling agent 401 dilutions, mineral filler is added in above-mentioned coupling agent solution, after stirring 30～60min, become starchiness, dried to Powdered, obtain the mineral filler after modification;
(2) again the mineral filler after liquid crystal polymer, glass fibre, modification, static inhibitor are distinguished at 100-200 ℃ to vacuum-drying 1-10 hour, in described ratio, they are mixed in high speed mixer to 2-10 minute with oxidation inhibitor;
(3) by step 2) material that mixes adds that forcing machine is extruded, granulation, the each district of forcing machine temperature is respectively: 280～300 ℃, 300～310 ℃, 300～310 ℃, 310～320 ℃, 310～320 ℃, 320～330 ℃, 320～340 ℃, rotating speed is 100～200 revs/min, obtains light-colored antistatic liquid crystal polymer composite.
3. a preparation method for light-colored antistatic liquid crystal polymer composite as claimed in claim 2, is characterized in that, described forcing machine is single screw extrusion machine or twin screw extruder.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111772A (en) * | 2015-09-01 | 2015-12-02 | 东莞市华盈新材料有限公司 | Low-warpage liquid crystal polymer (LCP) and preparation method thereof |
| CN106280371A (en) * | 2016-08-24 | 2017-01-04 | 五行科技股份有限公司 | A kind of antistatic moulding compound comprising electroconductive glass fibre and preparation method thereof |
| CN106883636A (en) * | 2017-04-07 | 2017-06-23 | 深圳市华盈新材料有限公司 | Basalt strengthens LCP composites and its preparation technology |
| CN109135319A (en) * | 2018-06-25 | 2019-01-04 | 广东格瑞新材料股份有限公司 | A kind of high intensity LCP composite material and preparation method |
| CN115246999A (en) * | 2022-08-24 | 2022-10-28 | 上海材料研究所 | Modified thermotropic liquid crystal polymer material, rigid copper-clad plate and preparation method thereof |
| CN115521512A (en) * | 2022-09-20 | 2022-12-27 | 芜湖集拓实心胎有限公司 | Antistatic solid tire rubber material and preparation method thereof |
| CN115678228A (en) * | 2022-11-04 | 2023-02-03 | 宁波聚嘉新材料科技有限公司 | Antistatic liquid crystal resin composition and film product thereof |
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| CN105111772A (en) * | 2015-09-01 | 2015-12-02 | 东莞市华盈新材料有限公司 | Low-warpage liquid crystal polymer (LCP) and preparation method thereof |
| CN106280371A (en) * | 2016-08-24 | 2017-01-04 | 五行科技股份有限公司 | A kind of antistatic moulding compound comprising electroconductive glass fibre and preparation method thereof |
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| CN109135319A (en) * | 2018-06-25 | 2019-01-04 | 广东格瑞新材料股份有限公司 | A kind of high intensity LCP composite material and preparation method |
| CN115246999A (en) * | 2022-08-24 | 2022-10-28 | 上海材料研究所 | Modified thermotropic liquid crystal polymer material, rigid copper-clad plate and preparation method thereof |
| CN115521512A (en) * | 2022-09-20 | 2022-12-27 | 芜湖集拓实心胎有限公司 | Antistatic solid tire rubber material and preparation method thereof |
| CN115521512B (en) * | 2022-09-20 | 2023-08-25 | 芜湖集拓实心胎有限公司 | Antistatic solid tire sizing material and preparation method thereof |
| CN115678228A (en) * | 2022-11-04 | 2023-02-03 | 宁波聚嘉新材料科技有限公司 | Antistatic liquid crystal resin composition and film product thereof |
| CN115678228B (en) * | 2022-11-04 | 2023-08-18 | 宁波聚嘉新材料科技有限公司 | Antistatic liquid crystal resin composition and film product thereof |
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