CN105440504A - Rat-proof PVC (polyvinyl chloride) modified material and preparation method thereof - Google Patents
Rat-proof PVC (polyvinyl chloride) modified material and preparation method thereof Download PDFInfo
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
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Abstract
The invention relates to the technical field of PVC (polyvinyl chloride) materials, in particular to a rat-proof PVC modified material and a preparation method thereof. The rat-proof PVC modified material comprises raw materials in parts by weight as follows: 80-120 parts of PVC resin, 45-65 parts of a plasticizer, 25-45 parts of a filling agent, 3-7 parts of a heat stabilizer, 2-4 parts of an impact modifier, 0.8-1.6 parts of a rat proof agent, 0.6-1.0 part of a lubricating agent and 0.3-0.7 parts of other aids. According to the rat-proof PVC modified material, each property of the prepared rat-proof PVC modified material exceeds the national standard with the adoption of the raw materials and through strict control of the weight ratio of the raw materials, the rat proof effect is good, and the rat-proof PVC modified material is environment-friendly and has excellent temperature resistance and weather fastness, high strength, excellent impact resistance, good flame retardant effect, excellent processing performance and excellent overall performance.
Description
Technical field
The present invention relates to PVC material technical field, it is material modified and preparation method thereof to be specifically related to a kind of protection against rodents PVC.
Background technology
The advantages such as polyvinyl chloride (PVC) is one of industrialization the earliest, broad-spectrum general-purpose thermoplastic plastic, and it has, and quality is light, intensity is high, insulation, fire-retardant, corrosion-resistant, high comprehensive performance, cheap and raw material sources are extensive; But also there is following shortcoming: 1, poor toughness, very easily embrittlement when being hit, therefore can not be used as structured material, in addition, the fragility temperature influence of polyvinyl chloride is very large, and general PVC product uses lower limit to be-15 DEG C, and the use lower limit of flexible PVC is-30 DEG C; 2, poor heat stability, it just starts to decomposite HCl 100 DEG C time, more rapid higher than decomposing when 150 DEG C, and the melt temperature of PVC is about 210 DEG C; 3, the viscosity of PVC is high, mobility extreme difference, limits it to a certain extent and uses.People often adopt methods such as adding filler, elastomerics, softening agent, thermo-stabilizer, processing aid, heat-proof modifier and flow ability modifying agent to improve the performance of PVC.
Application number is 200710137583.2 disclose a kind of nano material modified PVC water transfer hosetube, component containing, for example lower number: polyvinyl chloride resin 100 weight part, softening agent 15 ~ 40 weight part, lubricant 0.2 ~ 1.5 weight part, processing aid 0.5 ~ 3 weight part, thermo-stabilizer 1 ~ 3 weight part, coupling agent 0.1 ~ 0.8 weight part, nano-calcium carbonate 5 ~ 20 weight part, carbon black 0.5 ~ 1.5 weight part.
Application number is 201210198807.1 disclose a kind of PVC nanometer floor, and it includes UV upper layer from top to bottom successively, PVC wearing layer, PVC to print in rete, the upper flaggy of PVC, PVC flaggy and flaggy under PVC; By weight percentage: the upper flaggy of PVC by 45% ~ 55% PVC material, the calcium carbonate of 35% ~ 45%, the nano material of 4% ~ 6%, the fluidizer of 4% ~ 6% is formed; In PVC flaggy by 35% ~ 45% PVC material, the calcium carbonate of 45% ~ 55%, the solidifying agent of 8% ~ 10% is formed; Under PVC flaggy by 55% ~ 60% PVC material, the calcium carbonate of 25% ~ 35%, the nano material of 4% ~ 6%, the fluidizer of 4% ~ 5% is formed.
Above-mentioned existing PVC sheath cable, PVC plug, PVC film and pvc pipe all can exist by the hidden danger of gnawing of mouse, therefore, research and develop a kind of protection against rodents PVC material and seem particularly important.
Summary of the invention
In order to overcome the shortcoming and defect existed in prior art, the object of the present invention is to provide a kind of protection against rodents PVC material modified, this material modified protection against rodents is effective, environmental protection, and resistance to gentle weather resistance is excellent, intensity is high, excellent shock resistance, good flame retardation effect, processing characteristics is excellent, excellent combination property.
Another object of the present invention is to the preparation method providing a kind of protection against rodents PVC material modified, this preparation method's technique is simple, and convenient operation and control, steady quality, production efficiency is high, and production cost is low, can large-scale industrial production.
Object of the present invention is achieved through the following technical solutions: a kind of protection against rodents PVC is material modified, the material modified raw material comprising following weight part of described protection against rodents PVC:
Polyvinyl chloride resin 80-120 part
Softening agent 45-65 part
Weighting agent 25-45 part
Thermo-stabilizer 3-7 part
Impact modifier 2-4 part
Ratproof agent 0.8-1.6 part
Lubricant 0.6-1.0 part
Other auxiliary agent 0.3-0.7 part.
Protection against rodents PVC of the present invention is material modified by adopting above-mentioned raw materials, and the strict weight proportion controlling each raw material, the material modified properties of obtained protection against rodents PVC is all beyond national standard, and protection against rodents is effective, environmental protection, and resistance to gentle weather resistance is excellent, intensity is high, excellent shock resistance, good flame retardation effect, processing characteristics is excellent, excellent combination property.
Preferably, the mixture that is made up of with weight ratio 2-4:1 calcium carbide process PVC resin and ethylene process polyvinyl chloride resin of described polyvinyl chloride resin.
The present invention is by adopting calcium carbide process PVC resin and ethylene process polyvinyl chloride resin as the composite use of polyvinyl chloride resin, and to control its weight ratio be 2-4:1, makes plasticize speed fast, easily processes.
Preferably, described softening agent is the mixture be made up of with weight ratio 1.5-2.5:0.8-1.2:1 hexanaphthene 1,2-dioctyl phthalate diisononyl esters, triethyl citrate and epoxy soybean oil.
The present invention adopts 1,2-dioctyl phthalate diisononyl esters, triethyl citrate and epoxy soybean oil are as the composite use of softening agent, and to control its weight ratio be 1.5-2.5:0.8-1.2:1, three kinds of softening agent are environment-friendly plasticizer, the reactive force between PVC molecular chain can be reduced, the fusing point of the second-order transition temperature of PVC plastic, yield temperature and contained crystallite is all reduced, improves the plasticity-of resin, make goods softness, resistance to low temperature good.
Preferably, the mixture that is made up of with weight ratio 1-2:0.8-1.2:1 water-ground limestone, light calcium carbonate and kaolin of described weighting agent.
The present invention is by adopting water-ground limestone, light calcium carbonate and kaolin as the composite use of weighting agent, and to control its weight ratio be 1-2:0.8-1.2:1, good with the consistency of polyvinyl chloride resin, thus improves intensity and the shock resistance of material.
Preferably, the mixture that is made up of with weight ratio 0.8-1.2:1 Ca-Zn composite heat stabilizer and hydrotalcite thermal stabilizer of described thermo-stabilizer.
Ca-Zn composite heat stabilizer not only can replace the poisonous stablizers such as plumbous cadmium salt class and organic tin, and has goodish thermostability, light stability and the transparency and tinting strength.Facts have proved, in polyvinyl chloride resin goods, good processability, heat stabilization is equivalent to lead salt stabilizer, is a kind of good non-toxic stabilizer.
Hydrotalcite stablizer has high thermal stability: distinctive sour absorption mechanism, result in its thermostability of thermostability higher than lead base; High transparent: have identical specific refractory power with PVC; High-insulativity: by anion exchange reaction, absorbed muriate can not discharge, and insulativity is splendid; High security: hydrotalcite can be applicable in the food pack of polymer materials; Good weathering resistance (environmental compatibility is strong), can not produce sulfide staining: can with various thermo-stabilizer with the use of.
The present invention is by adopting Ca-Zn composite heat stabilizer and hydrotalcite thermal stabilizer as the composite use of thermo-stabilizer, and to control its weight ratio be 0.8-1.2:1, can make material in the course of processing, have good dispersiveness, consistency and processing fluidity, make material good heat stability, there is efficient weathering resistance.
The mixture that described Ca-Zn composite heat stabilizer is made up of with weight ratio 0.5-1.5:1:0.5-1.5:0.8-1.2 calcium stearate, ricinolic acid calcium, Zinic stearas and zinc ricinate.
The present invention is by adopting calcium stearate, ricinolic acid calcium, Zinic stearas and zinc ricinate as Ca-Zn composite heat stabilizer, and to control its weight ratio be 0.5-1.5:1:0.5-1.5:0.8-1.2, there is goodish thermostability, light stability and the transparency and tinting strength, and good processability.
Preferably, the chlorinatedpolyethylene of described impact modifier to be chlorinity be 25%-45%.
Chlorinatedpolyethylene (CPE) is a kind of properties-correcting agent of thermoplastics, has good over-all properties.Appropriate CPE is added, the processing characteristics that can reduce the melt viscosity of resin, improve mobility, improve plastics in polyvinyl chloride (PVC) resin; The work-ing life of the shock strength of PVC, resistance to low temperature, weathering performance, prolongation goods can also be improved.CPE also contributes to the dispersed of calcium carbonate and polyvinyl chloride resin; And when the chlorinity (weight content) of chlorinatedpolyethylene is for 25%-45%, make the resistance to impact shock of material best.
The present invention is by adopting chlorinity to be that the chlorinatedpolyethylene of 25%-45% is as impact modifier, the high temperature resistant of material and resistance to low temperature can be improved, the processing characteristics that can also reduce the melt viscosity of material, improve mobility, improve plastics, improves the work-ing life of the shock strength of material, weathering performance, prolongation goods.
Preferably, the mixture that is made up of with weight ratio 0.8-1.2:1 n-Vanillyl pelargonic amide and capsaicine of described Ratproof agent.
The present invention is by adopting n-Vanillyl pelargonic amide and capsaicine as the composite use of Ratproof agent, and to control its weight ratio be 0.8-1.2:1, and obtained material protection against rodents is effective.
Preferably, the mixture that is made up of with weight ratio 1.5-2.5:0.8-1.2:1 oxidized polyethlene wax, pentaerythritol stearate and ethylene bis stearic acid amide of described lubricant.
The present invention adopts oxidized polyethlene wax as external lubricant, can reduce the friction of PVC melt and mould, machine barrel; Adopt pentaerythritol stearate and ethylene bis stearic acid amide as internal lubricant, the intermolecular friction of PVC melt can be reduced; Three kinds of lubricants can make material in the course of processing, improve the mobility of material and the release property of goods with the composite use of weight ratio 1.5-2.5:0.8-1.2:1.
Other auxiliary agent described is the mixture be made up of with weight ratio 1.5-2.5:1 4-benzoyloxy-2,2,6,6-tetramethyl piperidine and Octabenzone.
The present invention is by adopting 4-benzoyloxy-2,2,6,6-tetramethyl piperidine and Octabenzone use as other additive compound, and to control its weight ratio be 1.5-2.5:1, energy strong absorption ultraviolet, has excellent synergistic effect, makes material antiageing effect better.
Described protection against rodents PVC is material modified also comprises fire retardant 1-5 part, slipping agent 0.05-0.15 part and pigment powder 0.01-0.05 part; The mixture that described fire retardant is made up of with weight ratio 0.5-1.5:1 antimonous oxide and zinc borate.
Antimonous oxide and lime borate are inorganic environment-friendly fire retardant, the present invention is by adopting antimonous oxide and zinc borate as the composite use of fire retardant, and to control its weight ratio be 0.5-1.5:1, good flame retardant effect can be reached, Drawing abillity and mechanical property can also be improved.
Described slipping agent is the mixture be made up of with weight ratio 1.5-2.5:0.8-1.2:1 erucicamide, amine hydroxybenzene and N, N'-ethylene bis stearamide.
The present invention is by adopting erucicamide, amine hydroxybenzene and N, N'-ethylene bis stearamide is as slipping agent and to control its weight ratio be 1.5-2.5:0.8-1.2:1, mechanical resistant stirring capacity and fingerprinting stress can be strengthened, finished product good forming effect, any surface finish, the extensibility of finished product can also be strengthened, easy-to-draw not easily broken.
Described pigment powder is particle diameter at the titanium dioxide of 1-5 μm; The mixture that described titanium dioxide is made up of with weight ratio 1:1.5-2.5 Rutile type Titanium Dioxide and anatase thpe white powder.
The present invention adopts particle diameter at the titanium dioxide of 1-5 μm as pigment powder, further employing Rutile type Titanium Dioxide and the composite use of anatase thpe white powder, and to control its weight ratio be 1:1.5-2.5, there is superior whiteness, tinting strength, opacifying power, weathering resistance, thermotolerance and chemical stability, particularly there is no toxicity.
Another object of the present invention is achieved through the following technical solutions: the preparation method that a kind of protection against rodents PVC is material modified, comprises the steps:
(1) take above-mentioned raw materials mixing by weight ratio, put into high speed blender, at 100-140 DEG C of temperature, stir 15-25min;
(2) raw material after stirring is passed through twin screw extruder extruding pelletization, obtained protection against rodents PVC is material modified.
Preparation method's technique of the present invention is simple, and convenient operation and control, steady quality, production efficiency is high, and production cost is low, can large-scale industrial production.
Preferably, in described step (2), the extruder temperature of twin screw extruder is: a district temperature 138-160 DEG C, two district temperature 135-160 DEG C, three district temperature 135-155 DEG C, four district temperature 132-150 DEG CHe five district temperature 130-148 DEG C.
Beneficial effect of the present invention is: the material modified properties of protection against rodents PVC of the present invention is all beyond national standard, and protection against rodents is effective, environmental protection, and resistance to gentle weather resistance is excellent, intensity is high, excellent shock resistance, good flame retardation effect, processing characteristics is excellent, excellent combination property.Protection against rodents PVC of the present invention is material modified meets the International Environmental Protection standards such as REACH, ROHS, PAHS, N-P, can be widely used in the industrial circles such as automobile, electronic apparatus, instrument, weaving and building.
Another object of the present invention is to the preparation method providing a kind of protection against rodents PVC material modified, this preparation method's technique is simple, and convenient operation and control, steady quality, production efficiency is high, and production cost is low, can large-scale industrial production.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
Embodiment 1
A kind of protection against rodents PVC is material modified, the material modified raw material comprising following weight part of described protection against rodents PVC:
Polyvinyl chloride resin 80 parts
45 parts, softening agent
Weighting agent 25 parts
Thermo-stabilizer 3 parts
Impact modifier 2 parts
Ratproof agent 0.8 part
Lubricant 0.6 part
Other auxiliary agent 0.3 part.
The mixture that described polyvinyl chloride resin is made up of with weight ratio 2:1 calcium carbide process PVC resin and ethylene process polyvinyl chloride resin.
Described softening agent is the mixture be made up of with weight ratio 1.5:0.8:1 hexanaphthene 1,2-dioctyl phthalate diisononyl esters, triethyl citrate and epoxy soybean oil.
The mixture that described weighting agent is made up of with weight ratio 1:0.8:1 water-ground limestone, light calcium carbonate and kaolin.
The mixture that described thermo-stabilizer is made up of with weight ratio 0.8:1 Ca-Zn composite heat stabilizer and hydrotalcite thermal stabilizer; The mixture that described Ca-Zn composite heat stabilizer is made up of with weight ratio 0.5:1:0.5:0.8 calcium stearate, ricinolic acid calcium, Zinic stearas and zinc ricinate.
Described impact modifier to be chlorinity be 25% chlorinatedpolyethylene.
The mixture that described Ratproof agent is made up of with weight ratio 0.8:1 n-Vanillyl pelargonic amide and capsaicine.
The mixture that described lubricant is made up of with weight ratio 1.5:0.8:1 oxidized polyethlene wax, pentaerythritol stearate and ethylene bis stearic acid amide; Other auxiliary agent described is the mixture be made up of with weight ratio 1.5:1 4-benzoyloxy-2,2,6,6-tetramethyl piperidine and Octabenzone.
Described protection against rodents PVC is material modified also comprises fire retardant 1 part, slipping agent 0.05 part and 0.01 part, pigment powder; The mixture that described fire retardant is made up of with weight ratio 1.1:1 antimonous oxide and zinc borate; Described slipping agent is the mixture be made up of with weight ratio 1.5:0.8:1 erucicamide, amine hydroxybenzene and N, N'-ethylene bis stearamide; Described pigment powder is particle diameter at the titanium dioxide of 1 μm; The mixture that described titanium dioxide is made up of with weight ratio 1:1.5 Rutile type Titanium Dioxide and anatase thpe white powder.
The preparation method that protection against rodents PVC is material modified, comprises the steps:
(1) take above-mentioned raw materials mixing by weight ratio, put into high speed blender, at 100 DEG C of temperature, stir 25min;
(2) raw material after stirring is passed through twin screw extruder extruding pelletization, obtained protection against rodents PVC is material modified.
In described step (2), the extruder temperature of twin screw extruder is: district's temperature 138 DEG C, two district's temperature 135 DEG C, three district's temperature 135 DEG C, four district's temperature 132 DEG CHe five district temperature 130 DEG C.
Embodiment 2
A kind of protection against rodents PVC is material modified, the material modified raw material comprising following weight part of described protection against rodents PVC:
Polyvinyl chloride resin 90 parts
50 parts, softening agent
Weighting agent 30 parts
Thermo-stabilizer 4 parts
Impact modifier 2.5 parts
Ratproof agent 1.0 parts
Lubricant 0.7 part
Other auxiliary agent 0.4 part.
The mixture that described polyvinyl chloride resin is made up of with weight ratio 2.5:1 calcium carbide process PVC resin and ethylene process polyvinyl chloride resin.
Described softening agent is the mixture be made up of with weight ratio 1.8:0.9:1 hexanaphthene 1,2-dioctyl phthalate diisononyl esters, triethyl citrate and epoxy soybean oil.
The mixture that described weighting agent is made up of with weight ratio 1.2:0.9:1 water-ground limestone, light calcium carbonate and kaolin.
The mixture that described thermo-stabilizer is made up of with weight ratio 0.9:1 Ca-Zn composite heat stabilizer and hydrotalcite thermal stabilizer; The mixture that described Ca-Zn composite heat stabilizer is made up of with weight ratio 0.8:1:0.8:0.9 calcium stearate, ricinolic acid calcium, Zinic stearas and zinc ricinate.
Described impact modifier to be chlorinity be 30% chlorinatedpolyethylene.
The mixture that described Ratproof agent is made up of with weight ratio 0.9:1 n-Vanillyl pelargonic amide and capsaicine.
The mixture that described lubricant is made up of with weight ratio 1.8:0.9:1 oxidized polyethlene wax, pentaerythritol stearate and ethylene bis stearic acid amide; Other auxiliary agent described is the mixture be made up of with weight ratio 1.8:1 4-benzoyloxy-2,2,6,6-tetramethyl piperidine and Octabenzone.
Described protection against rodents PVC is material modified also comprises fire retardant 2 parts, slipping agent 0.08 part and 0.02 part, pigment powder; The mixture that described fire retardant is made up of with weight ratio 1.2:1 antimonous oxide and zinc borate; Described slipping agent is the mixture be made up of with weight ratio 1.8:0.9:1 erucicamide, amine hydroxybenzene and N, N'-ethylene bis stearamide; Described pigment powder is particle diameter at the titanium dioxide of 2 μm; The mixture that described titanium dioxide is made up of with weight ratio 1:1.8 Rutile type Titanium Dioxide and anatase thpe white powder.
The preparation method that protection against rodents PVC is material modified, comprises the steps:
(1) take above-mentioned raw materials mixing by weight ratio, put into high speed blender, at 110 DEG C of temperature, stir 22min;
(2) raw material after stirring is passed through twin screw extruder extruding pelletization, obtained protection against rodents PVC is material modified.
In described step (2), the extruder temperature of twin screw extruder is: district's temperature 140 DEG C, two district's temperature 140 DEG C, three district's temperature 135 DEG C, four district's temperature 135 DEG CHe five district temperature 135 DEG C.
Embodiment 3
A kind of protection against rodents PVC is material modified, the material modified raw material comprising following weight part of described protection against rodents PVC:
Polyvinyl chloride resin 100 parts
55 parts, softening agent
Weighting agent 35 parts
Thermo-stabilizer 5 parts
Impact modifier 3 parts
Ratproof agent 1.2 parts
Lubricant 0.8 part
Other auxiliary agent 0.5 part.
The mixture that described polyvinyl chloride resin is made up of with weight ratio 3:1 calcium carbide process PVC resin and ethylene process polyvinyl chloride resin.
Described softening agent is the mixture be made up of with weight ratio 2:1:1 hexanaphthene 1,2-dioctyl phthalate diisononyl esters, triethyl citrate and epoxy soybean oil.
The mixture that described weighting agent is made up of with weight ratio 1.5:1:1 water-ground limestone, light calcium carbonate and kaolin.
The mixture that described thermo-stabilizer is made up of with weight ratio 1:1 Ca-Zn composite heat stabilizer and hydrotalcite thermal stabilizer; The mixture that described Ca-Zn composite heat stabilizer is made up of with weight ratio 1:1:1:1 calcium stearate, ricinolic acid calcium, Zinic stearas and zinc ricinate.
Described impact modifier to be chlorinity be 35% chlorinatedpolyethylene.
The mixture that described Ratproof agent is made up of with weight ratio 1:1 n-Vanillyl pelargonic amide and capsaicine.
The mixture that described lubricant is made up of with weight ratio 2:1:1 oxidized polyethlene wax, pentaerythritol stearate and ethylene bis stearic acid amide; Other auxiliary agent described is the mixture be made up of with weight ratio 2:1 4-benzoyloxy-2,2,6,6-tetramethyl piperidine and Octabenzone.
Described protection against rodents PVC is material modified also comprises fire retardant 3 parts, slipping agent 0.1 part and 0.03 part, pigment powder; The mixture that described fire retardant is made up of with weight ratio 1.3:1 antimonous oxide and zinc borate; Described slipping agent is the mixture be made up of with weight ratio 2:1:1 erucicamide, amine hydroxybenzene and N, N'-ethylene bis stearamide; Described pigment powder is particle diameter at the titanium dioxide of 3 μm; The mixture that described titanium dioxide is made up of with weight ratio 1:2 Rutile type Titanium Dioxide and anatase thpe white powder.
The preparation method that protection against rodents PVC is material modified, comprises the steps:
(1) take above-mentioned raw materials mixing by weight ratio, put into high speed blender, at 120 DEG C of temperature, stir 20min;
(2) raw material after stirring is passed through twin screw extruder extruding pelletization, obtained protection against rodents PVC is material modified.
In described step (2), the extruder temperature of twin screw extruder is: district's temperature 160 DEG C, two district's temperature 160 DEG C, three district's temperature 155 DEG C, four district's temperature 150 DEG CHe five district temperature 148 DEG C.
Embodiment 4
A kind of protection against rodents PVC is material modified, the material modified raw material comprising following weight part of described protection against rodents PVC:
Polyvinyl chloride resin 110 parts
60 parts, softening agent
Weighting agent 40 parts
Thermo-stabilizer 5 parts
Impact modifier 3.5 parts
Ratproof agent 1.4 parts
Lubricant 0.9 part
Other auxiliary agent 0.6 part.
The mixture that described polyvinyl chloride resin is made up of with weight ratio 3.5:1 calcium carbide process PVC resin and ethylene process polyvinyl chloride resin.
Described softening agent is the mixture be made up of with weight ratio 2.2:1.1:1 hexanaphthene 1,2-dioctyl phthalate diisononyl esters, triethyl citrate and epoxy soybean oil.
The mixture that described weighting agent is made up of with weight ratio 1.8:1.1:1 water-ground limestone, light calcium carbonate and kaolin.
The mixture that described thermo-stabilizer is made up of with weight ratio 1.1:1 Ca-Zn composite heat stabilizer and hydrotalcite thermal stabilizer; The mixture that described Ca-Zn composite heat stabilizer is made up of with weight ratio 1.2:1:1.2:1.1 calcium stearate, ricinolic acid calcium, Zinic stearas and zinc ricinate.
Described impact modifier to be chlorinity be 40% chlorinatedpolyethylene.
The mixture that described Ratproof agent is made up of with weight ratio 1.1:1 n-Vanillyl pelargonic amide and capsaicine.
The mixture that described lubricant is made up of with weight ratio 2.2:1.1:1 oxidized polyethlene wax, pentaerythritol stearate and ethylene bis stearic acid amide; Other auxiliary agent described is the mixture be made up of with weight ratio 2.2:1 4-benzoyloxy-2,2,6,6-tetramethyl piperidine and Octabenzone.
Described protection against rodents PVC is material modified also comprises fire retardant 4 parts, slipping agent 0.12 part and 0.04 part, pigment powder; The mixture that described fire retardant is made up of with weight ratio 1.4:1 antimonous oxide and zinc borate; Described slipping agent is the mixture be made up of with weight ratio 2.2:1.1:1 erucicamide, amine hydroxybenzene and N, N'-ethylene bis stearamide; Described pigment powder is particle diameter at the titanium dioxide of 4 μm; The mixture that described titanium dioxide is made up of with weight ratio 1:2.2 Rutile type Titanium Dioxide and anatase thpe white powder.
The preparation method that protection against rodents PVC is material modified, comprises the steps:
(1) take above-mentioned raw materials mixing by weight ratio, put into high speed blender, at 130 DEG C of temperature, stir 18min;
(2) raw material after stirring is passed through twin screw extruder extruding pelletization, obtained protection against rodents PVC is material modified.
In described step (2), the extruder temperature of twin screw extruder is: district's temperature 155 DEG C, two district's temperature 155 DEG C, three district's temperature 150 DEG C, four district's temperature 148 DEG CHe five district temperature 145 DEG C.
Embodiment 5
A kind of protection against rodents PVC is material modified, the material modified raw material comprising following weight part of described protection against rodents PVC:
Polyvinyl chloride resin 120 parts
65 parts, softening agent
Weighting agent 45 parts
Thermo-stabilizer 7 parts
Impact modifier 4 parts
Ratproof agent 1.6 parts
Lubricant 1.0 parts
Other auxiliary agent 0.7 part.
The mixture that described polyvinyl chloride resin is made up of with weight ratio 4:1 calcium carbide process PVC resin and ethylene process polyvinyl chloride resin.
Described softening agent is the mixture be made up of with weight ratio 2.5:1.2:1 hexanaphthene 1,2-dioctyl phthalate diisononyl esters, triethyl citrate and epoxy soybean oil.
The mixture that described weighting agent is made up of with weight ratio 2:1.2:1 water-ground limestone, light calcium carbonate and kaolin.
The mixture that described thermo-stabilizer is made up of with weight ratio 1.2:1 Ca-Zn composite heat stabilizer and hydrotalcite thermal stabilizer; The mixture that described Ca-Zn composite heat stabilizer is made up of with weight ratio 1.5:1:1.5:1.2 calcium stearate, ricinolic acid calcium, Zinic stearas and zinc ricinate.
Described impact modifier to be chlorinity be 45% chlorinatedpolyethylene.
The mixture that described Ratproof agent is made up of with weight ratio 1.2:1 n-Vanillyl pelargonic amide and capsaicine.
The mixture that described lubricant is made up of with weight ratio 2.5:1.2:1 oxidized polyethlene wax, pentaerythritol stearate and ethylene bis stearic acid amide; Other auxiliary agent described is the mixture be made up of with weight ratio 2.5:1 4-benzoyloxy-2,2,6,6-tetramethyl piperidine and Octabenzone.
Described protection against rodents PVC is material modified also comprises fire retardant 5 parts, slipping agent 0.15 part and 0.05 part, pigment powder; The mixture that described fire retardant is made up of with weight ratio 1.5:1 antimonous oxide and zinc borate; Described slipping agent is the mixture be made up of with weight ratio 2.5:1.2:1 erucicamide, amine hydroxybenzene and N, N'-ethylene bis stearamide; Described pigment powder is particle diameter at the titanium dioxide of 5 μm; The mixture that described titanium dioxide is made up of with weight ratio 1:2.5 Rutile type Titanium Dioxide and anatase thpe white powder.
The preparation method that protection against rodents PVC is material modified, comprises the steps:
(1) take above-mentioned raw materials mixing by weight ratio, put into high speed blender, at 140 DEG C of temperature, stir 15min;
(2) raw material after stirring is passed through twin screw extruder extruding pelletization, obtained protection against rodents PVC is material modified.
In described step (2), the extruder temperature of twin screw extruder is: district's temperature 160 DEG C, two district's temperature 160 DEG C, three district's temperature 155 DEG C, four district's temperature 150 DEG CHe five district temperature 148 DEG C.
The material modified mechanical and physical performance of the protection against rodents PVC that embodiment 1-5 obtains is as shown in table 1:
Table 1
| Test event | Standard value | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Tensile strength (MPa) | ≥15.0 | 23.3 | 24.6 | 24.1 | 22.1 | 23.8 |
| Flexural strength (MPa) | ≥15.0 | 47.5 | 50.6 | 53.4 | 44.2 | 49.1 |
| Elongation at break (%) | ≥150 | 298 | 306 | 317 | 296 | 312 |
| Heat-drawn wire (DEG C) | ≥50.0 | 117.2 | 118.2 | 120.8 | 114.9 | 118.3 |
| Impact embrittlement temperature (DEG C) | ≤-20 | -25 | -30 | -30 | -25 | -30 |
| Heat-stable time (min) when 200 DEG C | ≥60 | 110 | 120 | 120 | 100 | 110 |
| Hardness/Shore D | ≥50 | 84 | 86 | 87 | 82 | 85 |
| Fire-retardant | V0 | V0 | V0 | V0 | V0 | V0 |
| Protection ratio | ≥80% | 100% | 100% | 100% | 100% | 100% |
As can be seen from Table 1, the material modified properties of the protection against rodents PVC that the present invention obtains is all beyond national standard, and protection against rodents is effective, environmental protection, and resistance to gentle weather resistance is excellent, intensity is high, excellent shock resistance, good flame retardation effect, processing characteristics is excellent, excellent combination property.
The present invention is implementation preferably, and in addition, the present invention can also realize by alternate manner, and any apparent replacement is all within protection scope of the present invention without departing from the inventive concept of the premise.
Claims (10)
1. a protection against rodents PVC is material modified, it is characterized in that: the material modified raw material comprising following weight part of described protection against rodents PVC:
Polyvinyl chloride resin 80-120 part
Softening agent 45-65 part
Weighting agent 25-45 part
Thermo-stabilizer 3-7 part
Impact modifier 2-4 part
Ratproof agent 0.8-1.6 part
Lubricant 0.6-1.0 part
Other auxiliary agent 0.3-0.7 part.
2. a kind of protection against rodents PVC according to claim 1 is material modified, it is characterized in that: the mixture that described polyvinyl chloride resin is made up of with weight ratio 2-4:1 calcium carbide process PVC resin and ethylene process polyvinyl chloride resin.
3. a kind of protection against rodents PVC according to claim 1 is material modified, it is characterized in that: described softening agent is the mixture be made up of with weight ratio 1.5-2.5:0.8-1.2:1 hexanaphthene 1,2-dioctyl phthalate diisononyl esters, triethyl citrate and epoxy soybean oil.
4. a kind of protection against rodents PVC according to claim 1 is material modified, it is characterized in that: the mixture that described weighting agent is made up of with weight ratio 1-2:0.8-1.2:1 water-ground limestone, light calcium carbonate and kaolin.
5. a kind of protection against rodents PVC according to claim 1 is material modified, it is characterized in that: the mixture that described thermo-stabilizer is made up of with weight ratio 0.8-1.2:1 Ca-Zn composite heat stabilizer and hydrotalcite thermal stabilizer; The mixture that described Ca-Zn composite heat stabilizer is made up of with weight ratio 0.5-1.5:1:0.5-1.5:0.8-1.2 calcium stearate, ricinolic acid calcium, Zinic stearas and zinc ricinate.
6. a kind of protection against rodents PVC according to claim 1 is material modified, it is characterized in that: the chlorinatedpolyethylene of described impact modifier to be chlorinity be 25%-45%.
7. a kind of protection against rodents PVC according to claim 1 is material modified, it is characterized in that: the mixture that described Ratproof agent is made up of with weight ratio 0.8-1.2:1 n-Vanillyl pelargonic amide and capsaicine.
8. a kind of protection against rodents PVC according to claim 1 is material modified, it is characterized in that: the mixture that described lubricant is made up of with weight ratio 1.5-2.5:0.8-1.2:1 oxidized polyethlene wax, pentaerythritol stearate and ethylene bis stearic acid amide; Other auxiliary agent described is the mixture be made up of with weight ratio 1.5-2.5:1 4-benzoyloxy-2,2,6,6-tetramethyl piperidine and Octabenzone.
9. the preparation method that a kind of protection against rodents PVC as described in any one of claim 1-8 is material modified, is characterized in that: comprise the steps:
(1) take above-mentioned raw materials mixing by weight ratio, put into high speed blender, at 100-140 DEG C of temperature, stir 15-25min;
(2) raw material after stirring is passed through twin screw extruder extruding pelletization, obtained protection against rodents PVC is material modified.
10. the preparation method that a kind of protection against rodents PVC according to claim 9 is material modified, it is characterized in that: in described step (2), the extruder temperature of twin screw extruder is: a district temperature 138-160 DEG C, two district temperature 135-160 DEG C, three district temperature 135-155 DEG C, four district temperature 132-150 DEG CHe five district temperature 130-148 DEG C.
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| CN113897002A (en) * | 2021-10-29 | 2022-01-07 | 四川天邑康和通信股份有限公司 | Environment-friendly polyvinyl chloride optical cable sheathing compound and preparation method thereof |
| CN115926340A (en) * | 2022-12-14 | 2023-04-07 | 深圳市天顺塑料有限公司 | PVC floor modified material and preparation method thereof |
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Address after: Ye Wu industrial zone Dalingshan Meilin Village 523000 Guangdong city of Dongguan Province Applicant after: Guangdong Qi Long Technology Co., Ltd. Address before: Ye Wu industrial zone Dalingshan Meilin Village 523820 Guangdong city of Dongguan Province Applicant before: Dongguan Qilong Electricity Co., Ltd. |
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Application publication date: 20160330 |