CN101191013A - Plasticizing enhancement nylon 6 composite material with good apparent mass and preparation method thereof - Google Patents
Plasticizing enhancement nylon 6 composite material with good apparent mass and preparation method thereof Download PDFInfo
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- CN101191013A CN101191013A CNA200610118559XA CN200610118559A CN101191013A CN 101191013 A CN101191013 A CN 101191013A CN A200610118559X A CNA200610118559X A CN A200610118559XA CN 200610118559 A CN200610118559 A CN 200610118559A CN 101191013 A CN101191013 A CN 101191013A
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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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
- B29C48/9185—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling in the direction of the stream of the material
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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
- 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
- B29C2948/92857—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
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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
- B29C2948/92904—Die; Nozzle zone
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses a nylon 6 composite material for appearance quality toughening and reinforcing and a preparation method thereof. The nylon 6 composite material comprises by weight percentage 20-75 percent of nylon 6 resin, 1-10 percent of compatilizer, 10-40 percent of glass fiber, 10-40 of toughening masterbatch and 0.5-3 percent of other additives. The specific steps are that: every material is weighed except the glass fiber and mixed in a mixer for 3-5 minutes; the well-mixed material is put in a twin-screw extruder, wherein, the glass fiber is added in a first exhaust port, and the temperature from a feeding port to an extrusion die head is respectively 160-180 DGE C, 190-220 DGE C, 210-240 DGE C, 220-250 DGE C, 210-240 DGE C; the rotating speed of a host is 20-50 Hz, and then a sample is prepared by an injection moulding machine. The nylon 6 composite is characterized by no exposure of glass fiber and warping, good heat resistance and easy processing.
Description
Technical field
The invention belongs to the polymer composite field, be specifically related to plasticizing enhancement nylon 6 composite material of a kind of good apparent mass and preparation method thereof.
Background technology
Usually in fact, nylon 6 has excellent mechanical property, thermal characteristics, shock resistance and chemical resistance, so be applied to trolley part, electronic apparatus parts, household supplies parts and other some fields widely.At this wherein, inorganic mineral Reinforced Nylon 6, especially glass fiber reinforced nylon 6 because it has superperformances such as high strength, high heat-resisting, highly anti-fatigue, low mould shrinkage, and is widely used in fields such as automobile, machinery, household electrical appliances, aviation and military parts.Yet in the application process of reality, some material require better toughness and apparent mass can save more money aspect price and the processing and product more easily simultaneously.The simple mechanical property that glass fibre can significantly improve material, rigidity, the thermal characteristics of in nylon 6, adding, but this can cause the apparent mass of product poor, and the Watch glass fiber exposes seriously, also can cause the product warpage serious simultaneously, distortion is severe, is unfavorable for the assembling of product.
At situation about occurring above, people have done considerable research and inquirement.
USP 6756439 proposes to add grafted ASA material in the process of preparation mineral Reinforced Nylon 6, can effectively improve apparent mass, and the mineral Reinforced Nylon 6 that performance does not add ASA has relatively reduced by 10～20%.
USP 6534583 proposes to add in the inorganic mineral Reinforced Nylon 6 with nylon 6T/6I or nylon TMD-T/6, and apparent mass is good, and gloss is also very high, aspect of performance with do not have the basic identical of interpolation.
Propose among the USP 5013786 to add in the inorganic mineral Reinforced Nylon 6 with ethene, n-butylacrylic acid ester, acrylic copolymer, apparent mass is good, and Izod impacts and can reach 86J/m.
USP 4528304 has proposed to use a kind of rare-earth mineral component, also can be so that the apparent mass problem of material is resolved by introduce this kind component in glass reinforced thermoplastics(RTP) system.
The technology that above-mentioned these patents provided has solved inorganic mineral from different angles and has exposed the product apparent mass deterioration problem that is caused.Yet, can find out obviously that also all also there is its weak point in these patented technologies.They otherwise the raw material for preparing these inorganic mineral Reinforced Nylon 6 matrix materials proposed a lot of special requirements, they are as cost with the mechanics of sacrificing certain glass fibre reinforcement excellence and thermal property, though therefrom can obtain the corresponding good apparent mass of product, the mechanical property of material and thermal property inevitably are subjected to greater loss.
Summary of the invention
Technical problem to be solved by this invention is to overcome above shortcomings in the prior art, with easier method and cheap cost, provides plasticizing enhancement nylon 6 composite material of a kind of good apparent mass and preparation method thereof.
The present invention changes the flow characteristics of molten resin by adding the method for plasticizing mother particle, and it is surface exposed at product to suppress glass fibre and inorganic mineral, has also solved the product warpage issues simultaneously.
Its goal of the invention can be achieved by the following technical programs.
A kind of plasticizing enhancement nylon 6 composite material of good apparent mass comprises following component (weight ratio):
Nylon 6 10～75%
Compatilizer 1～10%
Glass fibre 10～40%
Plasticizing mother particle 10～40%
Other auxiliary agents 0.5～3%
The relative viscosity of described Nylon 6 is 2.0～3.5, is preferably 2.4～3.
Described compatilizer is the grafts of polyolefine and unsaturated acid, acid anhydrides.Wherein, polyolefine is polypropylene, polyethylene or ethylene-octene copolymer; Unsaturated acid is acrylic or methacrylic acid; Acid anhydrides is a maleic anhydride.
The percentage of grafting of described graft polypropylene, polyethylene or ethylene-octene copolymer is generally in 0.5～3% (weight ratio), preferably in 0.8～1.5% (weight ratio).
The weight percent of described compatilizer is 1～10%, preferably at 3-8%.
Described glass fibre is alkali free glass fibre, medium-alkali glass fibre or high-strength glass fibre.Wherein, glass fiber diameter is 5～24 μ m; Weight percent is 10～40%.
Described polyolefine is polypropylene, polyethylene or ethylene-octene copolymer.
Described inorganic mineral powder is talcum powder, lime carbonate, silicon-dioxide, glass microballon, kaolin, white clay or cinder powder.
Described plasticizing mother particle is that inorganic mineral powder and polyolefine obtain by mediating granulation, and their weight percents in master batch are respectively: 60～90%, 10～40%.
In the described kneading process, temperature is: 50～100 ℃, and 0.5～3 hour time.The consumption of plasticizing mother particle is at 10～40% (weight percents).
Described other auxiliary agents are silane coupling agent, oxidation inhibitor, color auxiliary agent or fire retardant, and described silane coupling agent is γ-An Bingjisanyiyangjiguiwan, γ-aminopropyl methyldiethoxysilane and g-(2,3-epoxy third an oxygen) propyl trimethoxy silicane; Described oxidation inhibitor is four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, N, N '-hexa-methylene two (3,5-di-t-butyl-4-hydroxybenzene propionic acid amide) and tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) esters.
The concrete steps of the plasticizing enhancement nylon 6 composite material of preparation good apparent mass are as follows: take by weighing various materials (except the glass fibre) by above-mentioned component proportioning, mix at mixer, mixing time was generally 3～5 minutes, then the material that mixes is added twin screw extruder (glass fibre adds from first venting port), temperature is respectively (from a spout to extrusion die): 160～180 ℃, and 190～220 ℃, 210～240 ℃, 220～250 ℃, 210～240 ℃.Engine speed is 20～50 hertz.Make various desired products with injection molding machine of plastic then.
The plasticizing enhancement nylon 6 composite material of good apparent mass of the present invention, apparent property is good, and no glass fibre exposes, no warpage fine heat-resisting performance, easily processing.
Embodiment
Further specify technical characterictic of the present invention below by embodiment and Comparative Examples.
The used starting material of embodiment are as follows:
The PA6 resin, YH800, Chinese Yueyang Ba Ling petrochemical industry chemical industry and chemical fiber company limited;
Glass fibre, ER13-2000-988, Tongxiang megalith group;
Maleic anhydride graft PP, MAPP, the molten finger (230 ℃, 2.16KG) 30g/10min, the gloomy company of selecting in Shanghai;
Talcum powder, 1250 orders, Haicheng Jinghua Minerals Co., Ltd;
POE-8180, ethylene-octene copolymer, du pont company;
Silane coupling agent, KH-550, Nanjing dawn chemical industry company limited;
Oxidation inhibitor, 168 and 1010, Switzerland Ciba company.
Preparation plasticizing mother particle A: talcum powder, POE-8180 in proportion 70,30, and (weight) adds in the Banbury mixer, and temperature is 80 ℃.2 hours time, pelletizing.
Preparation plasticizing mother particle B: talcum powder, POE-8180 in proportion 80,20, and (weight) adds in the Banbury mixer, and temperature is 80 ℃.2 hours time, pelletizing.
Embodiment 1
PA6 weight resin ratio is 57.3%, the MAPP weight ratio is 2%, plasticizing mother particle A weight ratio is 20%, the KH550 weight ratio is 0.4%, 1010/168 weight ratio is 0.1/0.2%, in super mixer with said components mixing (weight ratio is that 20% glass fibre adds from first venting port) at room temperature, TE-35 (L/D=48) twin screw extruder production with the production of Nanjing Ke Ya company, its processing temperature (from the spout to the die head) is respectively: 170 ℃, and 200 ℃, 215 ℃, 220 ℃, 230 ℃, engine speed is 30 hertz, has listed test result in table 1.
Embodiment 2
PA6 weight resin ratio is 51.3%, the MAPP weight ratio is 8%, plasticizing mother particle A weight ratio is 20%, the KH550 weight ratio is 0.4%, 1010/168 weight ratio is 0.1/0.2%, in super mixer with said components mixing (weight ratio is that 20% glass fibre adds from first venting port) at room temperature, TE-35 (L/D=48) twin screw extruder production with the production of Nanjing Ke Ya company, its processing temperature (from the spout to the die head) is respectively: 170 ℃, and 200 ℃, 215 ℃, 220 ℃, 230 ℃, engine speed is 30 hertz, has listed test result in table 1.
Embodiment 3
PA6 weight resin ratio is 59.3%, the MAPP weight ratio is 5%, plasticizing mother particle A weight ratio is 15%, the KH550 weight ratio is 0.4%, 1010/168 weight ratio is 0.1/0.2%, in super mixer with said components mixing (weight ratio is that 20% glass fibre adds from first venting port) at room temperature, TE-35 (L/D=48) twin screw extruder production with the production of Nanjing Ke Ya company, its processing temperature (from the spout to the die head) is respectively: 170 ℃, and 200 ℃, 215 ℃, 220 ℃, 230 ℃, engine speed is 30 hertz, has listed test result in table 1.
Embodiment 4
PA6 weight resin ratio is 54.3%, the MAPP weight ratio is 5%, plasticizing mother particle A weight ratio is 20%, the KH550 weight ratio is 0.4%, 1010/168 weight ratio is 0.1/0.2%, in super mixer with said components mixing (weight ratio is that 20% glass fibre adds from first venting port) at room temperature, TE-35 (L/D=48) twin screw extruder production with the production of Nanjing Ke Ya company, its processing temperature (from the spout to the die head) is respectively: 170 ℃, and 200 ℃, 215 ℃, 220 ℃, 230 ℃, engine speed is 30 hertz, has listed test result in table 1.
Embodiment 5
PA6 weight resin ratio is 44.3%, the MAPP weight ratio is 5%, plasticizing mother particle A weight ratio is 30%, the KH550 weight ratio is 0.4%, 1010/168 weight ratio is 0.1/0.2%, in super mixer with said components mixing (weight ratio is that 20% glass fibre adds from first venting port) at room temperature, TE-35 (L/D=48) twin screw extruder production with the production of Nanjing Ke Ya company, its processing temperature (from the spout to the die head) is respectively: 170 ℃, and 200 ℃, 215 ℃, 220 ℃, 230 ℃, engine speed is 30 hertz, has listed test result in table 1.
Embodiment 6
PA6 weight resin ratio is 44.1%, the MAPP weight ratio is 5%, plasticizing mother particle A weight ratio is 20%, the KH550 weight ratio is 0.6%, 1010/168 weight ratio is 0.1/0.2%, in super mixer with said components mixing (weight ratio is that 30% glass fibre adds from first venting port) at room temperature, TE-35 (L/D=48) twin screw extruder production with the production of Nanjing Ke Ya company, its processing temperature (from the spout to the die head) is respectively: 170 ℃, and 200 ℃, 215 ℃, 220 ℃, 230 ℃, engine speed is 30 hertz, has listed test result in table 1.
Embodiment 7
PA6 weight resin ratio is 54.3%, the MAPP weight ratio is 5%, plasticizing mother particle B weight ratio is 20%, the KH550 weight ratio is 0.4%, 1010/168 weight ratio is 0.1/0.2%, in super mixer with said components mixing (weight ratio is that 20% glass fibre adds from first venting port) at room temperature, TE-35 (L/D=48) twin screw extruder production with the production of Nanjing Ke Ya company, its processing temperature (from the spout to the die head) is respectively: 170 ℃, and 200 ℃, 215 ℃, 220 ℃, 230 ℃, engine speed is 30 hertz, has listed test result in table 1.
Embodiment 8
PA6 weight resin ratio is 44.3%, the MAPP weight ratio is 5%, plasticizing mother particle B weight ratio is 30%, the KH550 weight ratio is 0.4%, 1010/168 weight ratio is 0.1/0.2%, in super mixer with said components mixing (weight ratio is that 20% glass fibre adds from first venting port) at room temperature, TE-35 (L/D=48) twin screw extruder production with the production of Nanjing Ke Ya company, its processing temperature (from the spout to the die head) is respectively: 170 ℃, and 200 ℃, 215 ℃, 220 ℃, 230 ℃, engine speed is 30 hertz, has listed test result in table 1.
Comparative Examples 1
PA6 weight resin ratio is 60.3%, the MAPP weight ratio is 5%, the talcum powder weight ratio is 14%, the KH550 weight ratio is 0.4%, 1010/168 weight ratio is 0.1/0.2%, in super mixer with said components mixing (weight ratio is that 20% glass fibre adds from first venting port) at room temperature, TE-35 (L/D=48) twin screw extruder production with the production of Nanjing Ke Ya company, its processing temperature (from the spout to the die head) is respectively: 170 ℃, and 200 ℃, 215 ℃, 220 ℃, 230 ℃, engine speed is 30 hertz, has listed test result in table 2.
Comparative Examples 2
PA6 weight resin ratio is 54.3%, the MAPP weight ratio is 5%, the talcum powder weight ratio is 14%, the POE-8180 weight ratio is 6%, the KH550 weight ratio is 0.4%, 1010/168 weight ratio is 0.1/0.2%, with said components mixing (weight ratio is that 20% glass fibre adds from first venting port) at room temperature, with TE-35 (L/D=48) the twin screw extruder production that Nanjing Ke Ya company produces, its processing temperature (from the spout to the die head) is respectively: 170 ℃ in super mixer, 200 ℃, 215 ℃, 220 ℃, 230 ℃, engine speed is 30 hertz, has listed test result in table 2.
Comparative Examples 3
PA6 weight resin ratio is 44.1%, the MAPP weight ratio is 5%, the talcum powder weight ratio is 14%, the POE-8180 weight ratio is 6%, the KH550 weight ratio is 0.4%, 1010/168 weight ratio is 0.1/0.2%, with said components mixing (weight ratio is that 30% glass fibre adds from first venting port) at room temperature, with TE-35 (L/D=48) the twin screw extruder production that Nanjing Ke Ya company produces, its processing temperature (from the spout to the die head) is respectively: 170 ℃ in super mixer, 200 ℃, 215 ℃, 220 ℃, 230 ℃, engine speed is 30 hertz, has listed test result in table 2.
Comparative Examples 4
PA6 weight resin ratio is 44.3%, the MAPP weight ratio is 5%, the talcum powder weight ratio is 21%, the POE-8180 weight ratio is 9%, the KH550 weight ratio is 0.4%, 1010/168 weight ratio is 0.1/0.2%, with said components mixing (weight ratio is that 20% glass fibre adds from first venting port) at room temperature, with TE-35 (L/D=48) the twin screw extruder production that Nanjing Ke Ya company produces, its processing temperature (from the spout to the die head) is respectively: 170 ℃ in super mixer, 200 ℃, 215 ℃, 220 ℃, 230 ℃, engine speed is 30 hertz, has listed test result in table 2.
Comparative Examples 5
PA6 weight resin ratio is 44.3%, the MAPP weight ratio is 5%, the talcum powder weight ratio is 24%, the POE-8180 weight ratio is 6%, the KH550 weight ratio is 0.4%, 1010/168 weight ratio is 0.1/0.2%, with said components mixing (weight ratio is that 20% glass fibre adds from first venting port) at room temperature, with TE-35 (L/D=48) the twin screw extruder production that Nanjing Ke Ya company produces, its processing temperature (from the spout to the die head) is respectively: 170 ℃ in super mixer, 200 ℃, 215 ℃, 220 ℃, 230 ℃, engine speed is 30 hertz, has listed test result in table 2.
Comparative Examples 6
PA6 weight resin ratio is 44.3%, the MAPP weight ratio is 5%, plasticizing mother particle B weight ratio is 20%, the talcum powder weight ratio is 8%, the POE-8180 weight ratio is 2%, the KH550 weight ratio is that 0.4%, 1010/168 weight ratio is 0.1/0.2%, in super mixer with said components mixing (weight ratio is that 20% glass fibre adds from first venting port) at room temperature, TE-35 (L/D=48) twin screw extruder production with the production of Nanjing Ke Ya company, its processing temperature (from the spout to the die head) is respectively: 170 ℃, and 200 ℃, 215 ℃, 220 ℃, 230 ℃, engine speed is 30 hertz, has listed test result in table 2.
Comparative Examples 7
PA6 weight resin ratio is 44.3%, the MAPP weight ratio is 5%, plasticizing mother particle B weight ratio is 10%, the talcum powder weight ratio is 16%, the POE-8180 weight ratio is 4%, the KH550 weight ratio is that 0.4%, 1010/168 weight ratio is 0.1/0.2%, in super mixer with said components mixing (weight ratio is that 20% glass fibre adds from first venting port) at room temperature, TE-35 (L/D=48) twin screw extruder production with the production of Nanjing Ke Ya company, its processing temperature (from the spout to the die head) is respectively: 170 ℃, and 200 ℃, 215 ℃, 220 ℃, 230 ℃, engine speed is 30 hertz, has listed test result in table 2.
Performance test
Simply supported beam breach and unnotched impact strength are pressed ISO 179 and are carried out, and testing apparatus is German ZwickB5102.202 shock-testing machine; The tensile property test is pressed ISO 527 and is carried out, and testing apparatus is German ZwickZ010 electronic tensile machine, and draw speed is 50mm/min; The test of bending property is pressed ISO178 and is carried out, and testing apparatus is a Zwick Z010 electronic tensile machine, and span is 64mm, and speed is 2mm/min; Heat-drawn wire is carried out by testing standard ISO 75, and testing apparatus is the dimension card heat-drawn wire tester of Italian CEAST company, load 1.8MPa, and heat-up rate is 120 ℃/hour.Apparent mass is by the flat board range estimation of 150 * 100 * 3mm.
As can be seen, used the plasticizing enhancement nylon 6 composite material apparent property of plasticizing mother particle good from table 1 embodiment and table 2 Comparative Examples prescription and performance test result relatively, thermal characteristics is stable, and strength and toughness obtains good balance.
Table 1:
Table 2:
Claims (10)
1. the plasticizing enhancement nylon 6 composite material of a good apparent mass, its component and proportioning are:
Nylon 6 20～75%
Compatilizer 1～10%
Glass fibre 10～40%
Plasticizing mother particle 10～40%
Other auxiliary agents 0.5～3%
More than be weight percentage.
2. the plasticizing enhancement nylon 6 composite material of a kind of good apparent mass according to claim 1, it is characterized in that: described Nylon 6 feature viscosity number is 2.0～3.5.
3. the plasticizing enhancement nylon 6 composite material of a kind of good apparent mass according to claim 1 is characterized in that: the grafts of described compatilizer employing polyolefine and unsaturated acid, acid anhydrides.
4. the plasticizing enhancement nylon 6 composite material of a kind of good apparent mass according to claim 3, it is characterized in that: described polyolefine is polypropylene, polyethylene or ethylene-octene copolymer; Unsaturated acid is acrylic or methacrylic acid; Acid anhydrides is a maleic anhydride.
5. the plasticizing enhancement nylon 6 composite material of a kind of good apparent mass according to claim 1, it is characterized in that: described glass fibre is one or more in alkali free glass fibre, medium-alkali glass fibre, the high-strength glass fibre, and its Fibre diameter is 5～24 μ m.
6. the plasticizing enhancement nylon 6 composite material of a kind of good apparent mass according to claim 1, it is characterized in that: described plasticizing mother particle is that inorganic mineral powder, polyolefine form by the Banbury mixer granulation; Inorganic mineral and polyolefine in the shared weight percentage of plasticizing mother particle are respectively: 60～90%, 10～40%.
7. the plasticizing enhancement nylon 6 composite material of a kind of good apparent mass according to claim 6, it is characterized in that: described inorganic mineral powder is one or both in talcum powder, lime carbonate, silicon-dioxide, glass microballon, kaolin, white clay or the cinder powder, and its powder diameter is 1～100 μ m.
8. the plasticizing enhancement nylon 6 composite material of a kind of good apparent mass according to claim 6, it is characterized in that: in the described banburying process, temperature is: 50～100 ℃, the time is 0.5～3 hour.
9. the plasticizing enhancement nylon 6 composite material of a kind of good apparent mass according to claim 1, it is characterized in that: described other auxiliary agents are silane coupling agent, fire retardant, oxidation inhibitor or color auxiliary agent.
10. method for preparing the plasticizing enhancement nylon 6 composite material of the described good apparent mass of claim 1, concrete steps are as follows:
Take by weighing various materials except that glass fibre by the described component proportioning of claim 1, mixer mixing 3-5 minute, then the material that mixes is added twin screw extruder, wherein glass fibre adds from first venting port, is respectively 160～180 ℃ from spout to extrusion die temperature, 190～220 ℃, 210～240 ℃, 220～250 ℃, 210～240 ℃, engine speed is 20～50 hertz, produces with injection molding machine of plastic.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610118559XA CN101191013B (en) | 2006-11-21 | 2006-11-21 | Plasticizing enhancement nylon 6 composite material with good apparent mass and preparation method thereof |
Applications Claiming Priority (1)
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