CN106589759A - Antibacterial thermal-plastic aramid-fiber data line sheath material and preparation method thereof - Google Patents

Abstract

The invention discloses an antibacterial thermal-plastic aramid-fiber data line sheath material. The antibacterial thermal-plastic aramid-fiber data line sheath material is prepared by, by weight, 100-104 parts of SEBS, 65-68 parts of stearic acid, 29-31 parts of polypropylene, 21-23 parts of polypropylene grafted maleic anhydride, 3-4 parts of antioxidant B215, 81-83 parts of magnesium hydroxide, 4.3-5 parts of graphene, 1.6-1.7 parts of silane coupling agent A-171, 8-9 parts of anhydrous ethanol, 3-4 parts of polyethylene wax, 10-12 parts of aramid fibers, 7-8.5 parts of calcined kaolin, 1-1.2 parts of zinc dimethyldithiocarbamate, 9-11 parts of polyvinyl chloride resin and 2-2.5 parts of liquid paraffin. The antibacterial thermal-plastic aramid-fiber data line sheath material has the advantages that components such as the aramid fibers and the zinc dimethyldithiocarbamate are added, the sheath material has a certain antibacterial effect, and the strength and toughness of the sheath material can be enhanced; the sheath material is good in strength, elasticity, antibacterial performance and processing fluidity and suitable for large-scale production.

Description

A kind of antimicrobial form thermoplasticity aramid fiber fiber is according to line protective cover material and preparation method thereof

Technical field

The present invention relates to technical field of polymer materials, more particularly to a kind of antimicrobial form thermoplasticity aramid fiber fiber is according to line sheath Material and preparation method thereof.

Background technology

At present, the wide variety of electric wire protective cover material of domestic electronic enterprises, Insulation Material and electronic plug material 90% PVC is adopted above.But from 1 day July in 2006, European Union just promulgated a decree and has forbidden halogen-containing flame retardant, heavy metal etc. The electric equipment products of some harmful substances enters European market, and outlet of this measure to China's electric equipment products is generated seriously Affect.While its ban is issued, external some companies have started to promote its product to China's electrical equipment industry industry energetically for European Union Product, it is intended to seize China market, develop halogen-free flame-retardant environment-friendly electric wire undoubtedly significant under this form.

Styrene ethylene butadiene-styrene block copolymer（SEBS）It is a kind of broad-spectrum thermoplastic elastic Body, is used polypropylene (PP) to be modified, a kind of thermoplastic elastomer (TPE) of the characteristic for having plastics and rubber concurrently that can be made TPE, the features such as there is high resiliency, high intensity, low-density, easy processing due to TPE, while possessing good insulating properties, resistance to height Warm nature, fatigue resistance, good hand touch, free from extraneous odour becomes the preferred material that electric wire field substitutes PVC, but the Halogen of TPE hinders Combustion is a difficult problem, and how to prepare the high flame retarded thermoplastic's elastomer of combination property has become the important class of its application Topic.

The content of the invention

The object of the invention is exactly to make up the defect of prior art, there is provided a kind of antimicrobial form thermoplasticity aramid fiber fiber is according to line Protective cover material and preparation method thereof.

The present invention is achieved by the following technical solutions：

A kind of antimicrobial form thermoplasticity aramid fiber fiber is prepared by the raw materials according to line protective cover material：It is SEBS100-104, hard Fat acid 65-68, polypropylene 29-31, polypropylene grafted maleic anhydride 21-23, antioxidant B215 3-4, magnesium hydroxide 81-83, stone Black alkene 4.3-5, the 1.6-1.7 of silane coupling A -171, dehydrated alcohol 8-9, Tissuemat E 3-4, aramid fiber 10-12, calcining Kaolin 7-8.5, PZ 1-1.2, Corvic 9-11, liquid paraffin 2-2.5.

A kind of antimicrobial form thermoplasticity aramid fiber fiber is made up according to line protective cover material of step in detail below：

（1）By magnesium hydroxide in air dry oven, at 110 DEG C be dried 4 hours it is standby；Silane coupling A -171 is added Dehydrated alcohol, is sprayed on dry magnesium hydroxide after being stirred 30 minutes with 500 revs/min of speed, is then fed at a high speed In mixer, Graphene is added, with 2000 revs/min of speed, after stirring 30 minutes at normal temperatures, be warming up to 60 DEG C, continue to stir Taking-up in 30 minutes is mixed, then drying obtains final product compound flame retardant in 3 hours at 110 DEG C；

（2）SEBS, polypropylene, polypropylene grafted maleic anhydride are respectively put in air dry oven, are dried 4 hours at 80 DEG C It is standby；Dried SEBS is mixed with stearic acid, in being put into high-speed mixer, with 1000 revs/min of speed stirring mixing 20 Minute, 12 hours are stood after taking-up, treat that SEBS is fully swelling in stearic acid, obtain oiliness SEBS；Polypropylene, polypropylene are connect It is in 170 DEG C of open mill, oiliness SEBS, antioxidant to be added after plasticating 10 minutes that branch maleic anhydride adds double roller temperature B215, continues to knead 20 minutes, uniform rear slice to be mixed, is put into after crushing in air dry oven and is dried 2 hours, that is, mixed Close base material；

（3）Aramid fiber is crushed, 200 mesh sieves are crossed, is mixed with calcined kaolin, then mixed with liquid paraffin, be put into mortar It is middle grinding 2 hours it is stand-by；Corvic is heated to into melting, grinding product, Tissuemat E is subsequently adding, mix homogeneously, Stirring 15 minutes, sends into extruding pelletization on double screw extruder, obtains mixed material；

（4）Compound flame retardant, mixed resin, mixed material and remaining residual components are put in high-speed mixer, in temperature For 170 DEG C, discharge after mixing 20 minutes under 500 revs/min of speed, material is fed in vulcanizing press, in 180 DEG C of temperature Lower hot pressing, then room temperature cold pressing, be ground into granule after slice, finally granule is sent in double screw extruder, extruding pelletization, Drying under the conditions of 80 DEG C is obtained final product for 4 hours.

It is an advantage of the invention that：The modified magnesium hydroxide in present invention addition surface, in hydrophobic effect, compounds with Graphene, Act on good fire-resistant synergistic, it is possible to increase the carbon yield and oxygen index (OI) of system, can effectively the release of trap heat with can The conduction of combustion gas body, reduces smoke amount；Simultaneously particle agglomeration effect can be substantially reduced, can disperse more equal in base material It is even, the compatibility with base material interface is improve, the viscosity and processing characteristics of compound are improved, improve the mechanics of compound Performance.

The compositions such as invention addition aramid fiber, PZ, with certain antibacterial Effect, while the intensity and toughness of product can be strengthened；The present invention is modified by certain process innovation and formula, with hard Based on fat acid modified SEBS and polyacrylic blend, greatly improvement is brought to properties of product so that product has good Intensity, elasticity, antibiotic property, processing fluidity, be adapted to large-scale production.

Specific embodiment

A kind of antimicrobial form thermoplasticity aramid fiber fiber according to line protective cover material, by following weight portion（Kilogram）Raw material make： SEBS100, stearic acid 65, polypropylene 29, polypropylene grafted maleic anhydride 21, antioxidant B215 3, magnesium hydroxide 81, Graphene 4.3rd, silane coupling A -171 1.6, dehydrated alcohol 8, Tissuemat E 3, aramid fiber 10, calcined kaolin 7, Methyl disulfide For carbaminate 1, Corvic 9, liquid paraffin 2.

A kind of antimicrobial form thermoplasticity aramid fiber fiber is made up according to line protective cover material of step in detail below：

（1）By magnesium hydroxide in air dry oven, at 110 DEG C be dried 4 hours it is standby；By silane coupling A -171 1.6 Dehydrated alcohol is added, is sprayed on dry magnesium hydroxide after being stirred 30 minutes with 500 revs/min of speed, be then fed into In high-speed mixer, Graphene is added, with 2000 revs/min of speed, after stirring 30 minutes at normal temperatures, be warming up to 60 DEG C, after Continuous stirring is taken out for 30 minutes, then drying obtains final product compound flame retardant in 3 hours at 110 DEG C；

（2）SEBS, polypropylene, polypropylene grafted maleic anhydride are respectively put in air dry oven, are dried 4 hours at 80 DEG C It is standby；Dried SEBS is mixed with stearic acid, in being put into high-speed mixer, with 1000 revs/min of speed stirring mixing 20 Minute, 12 hours are stood after taking-up, treat that SEBS is fully swelling in stearic acid, obtain oiliness SEBS；Polypropylene, polypropylene are connect It is in 170 DEG C of open mill, oiliness SEBS, antioxidant to be added after plasticating 10 minutes that branch maleic anhydride adds double roller temperature B215, continues to knead 20 minutes, uniform rear slice to be mixed, is put into after crushing in air dry oven and is dried 2 hours, that is, mixed Close base material；

（3）Aramid fiber is crushed, 200 mesh sieves are crossed, is mixed with calcined kaolin, then mixed with liquid paraffin, be put into mortar It is middle grinding 2 hours it is stand-by；Corvic is heated to into melting, grinding product, Tissuemat E is subsequently adding, mix homogeneously, Stirring 15 minutes, sends into extruding pelletization on double screw extruder, obtains mixed material；

（4）Compound flame retardant, mixed resin, mixed material and remaining residual components are put in high-speed mixer, in temperature For 170 DEG C, discharge after mixing 20 minutes under 500 revs/min of speed, material is fed in vulcanizing press, in 180 DEG C of temperature Lower hot pressing, then room temperature cold pressing, be ground into granule after slice, finally granule is sent in double screw extruder, extruding pelletization, Drying under the conditions of 80 DEG C is obtained final product for 4 hours.

The jacket for data lines material of present invention production, after testing, reaches following index：Fire resistance reaches UL-94V-0 levels, Oxygen index (OI) >=30.8%, tensile strength >=14.3MPa, rupture extension rate >=253%.

Claims (2)

1. a kind of antimicrobial form thermoplasticity aramid fiber fiber is according to line protective cover material, it is characterised in that be prepared by the raw materials in： SEBS100-104, stearic acid 65-68, polypropylene 29-31, polypropylene grafted maleic anhydride 21-23, antioxidant B215 3-4, hydrogen Magnesium oxide 81-83, Graphene 4.3-5, the 1.6-1.7 of silane coupling A -171, dehydrated alcohol 8-9, Tissuemat E 3-4, aramid fiber Fiber 10-12, calcined kaolin 7-8.5, PZ 1-1.2, Corvic 9-11, liquid stone Wax 2-2.5.

2. according to claim 1 a kind of antimicrobial form thermoplasticity aramid fiber fiber according to line protective cover material, it is characterised in that by following tool Body step is made：

（1）By magnesium hydroxide in air dry oven, at 110 DEG C be dried 4 hours it is standby；Silane coupling A -171 is added Dehydrated alcohol, is sprayed on dry magnesium hydroxide after being stirred 30 minutes with 500 revs/min of speed, is then fed at a high speed In mixer, Graphene is added, with 2000 revs/min of speed, after stirring 30 minutes at normal temperatures, be warming up to 60 DEG C, continue to stir Taking-up in 30 minutes is mixed, then drying obtains final product compound flame retardant in 3 hours at 110 DEG C；

（2）SEBS, polypropylene, polypropylene grafted maleic anhydride are respectively put in air dry oven, are dried 4 hours at 80 DEG C It is standby；Dried SEBS is mixed with stearic acid, in being put into high-speed mixer, with 1000 revs/min of speed stirring mixing 20 Minute, 12 hours are stood after taking-up, treat that SEBS is fully swelling in stearic acid, obtain oiliness SEBS；Polypropylene, polypropylene are connect It is in 170 DEG C of open mill, oiliness SEBS, antioxidant to be added after plasticating 10 minutes that branch maleic anhydride adds double roller temperature B215, continues to knead 20 minutes, uniform rear slice to be mixed, is put into after crushing in air dry oven and is dried 2 hours, that is, mixed Close base material；

（3）Aramid fiber is crushed, 200 mesh sieves are crossed, is mixed with calcined kaolin, then mixed with liquid paraffin, be put into mortar It is middle grinding 2 hours it is stand-by；Corvic is heated to into melting, grinding product, Tissuemat E is subsequently adding, mix homogeneously, Stirring 15 minutes, sends into extruding pelletization on double screw extruder, obtains mixed material；

（4）Compound flame retardant, mixed resin, mixed material and remaining residual components are put in high-speed mixer, in temperature For 170 DEG C, discharge after mixing 20 minutes under 500 revs/min of speed, material is fed in vulcanizing press, in 180 DEG C of temperature Lower hot pressing, then room temperature cold pressing, be ground into granule after slice, finally granule is sent in double screw extruder, extruding pelletization, Drying under the conditions of 80 DEG C is obtained final product for 4 hours.