CN110172215A - A kind of low combustion heat value polyvinyl chloride composite materials and preparation method thereof - Google Patents
A kind of low combustion heat value polyvinyl chloride composite materials 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/267—Magnesium carbonate
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C08L2205/00—Polymer mixtures characterised by other features
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- 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 present invention provides a kind of low combustion heat value polyvinyl chloride composite materials and preparation method thereof, low combustion heat value polyvinyl chloride composite materials composition provided by the invention, A2 grades of combustion heat value can be prepared, there is preferable mechanical property and moulding processability simultaneously, formula is simple, and preparation cost is low.The composition includes Corvic, impact modifier, the hot compound of suppression, heat stabilizer and flow ability modifying agent, wherein the hot compound of suppression is the combination of hydroxide and carbonate；The parts by weight of above-mentioned each component in the composition are respectively as follows: 30-60 parts of Corvic, 3-6.2 parts of impact modifier, 28-100 parts of hydroxide, 80-150 parts of carbonate, 1.2-3 parts of heat stabilizer, and 1-2.4 parts of flow ability modifying agent.
Description
Technical field
The present invention relates to fire-proof construction material technical fields, and in particular to a kind of fire prevention polyvinyl chloride composite board material material and
Preparation method.
Background technique
In recent years, the great malignant fire of public place happens occasionally.Using fire-retardant product and fire safety designing technique
Constructing reliable fireproofing passiveness system is exactly that one of the important means of malignant fire accident generation is avoided from source.It is national thus
Formally implement " construction material and classification of combustion properties of building materials and products " (GB 8624-2006) standard on March 1st, 2007.In the state
In family's standard, the combustion heat value (PCS) of material is the major criterion for measuring construction material and classification of combustion properties of building materials and products.
Polymer composites have widely due to its advantage light, easily processed into type in building decoration area
Using and development prospect.Polyvinyl chloride (PVC) is that a kind of yield is big, resins for universal use of high comprehensive performance, has good object
Many advantages, such as reason, mechanics, chemistry and electric property and anti-flammability, the transparency, chemical resistance.PVC boardy product is being built
It builds application percentage in material to be continuously improved, is being especially the fields such as tubing, plate, profile.However common PVC material its burning
Calorific value is 18MJ/kg, meets fiery combustion heat release amount height, and amount of heat is assembled indoors, has greatly facilitated the process of fire development,
The time for flashing over generation is shortened, serious threat is brought to evacuating personnel and fire fighting and rescue.Its combustion heat value how is reduced, is made
The requirement for reaching A2 in " construction material and classification of combustion properties of building materials and products " (GB 8624-2006) standard, be PVC and its compound
Material has to the problem solved when building field is applied.
Currently, the disclosed method for reducing combustion heat value is that filling has the nothing for decomposing heat absorption capacity in a polymer matrix
Machine filler.A kind of fire retardant Polystyrene heat insulation material is disclosed in patent CN106700135 A, the material is to polystyrene foam
Particle develop it is a kind of use hydroxide and hydrated salt as the fire retardant polystyrene material that presses down hot compound, using they by
The endothermic effect generated when thermal decomposition release moisture content is to achieve the effect that reduce material combustion calorific value.However, the formula system by
The dehydration decomposition temperature of component such as hydrated salt used in it etc. is lower (- 100 DEG C), can only be using using mixing, mould under room temperature
Pressure, the mixed-forming mode of freeze-drying, can not be suitable for conventional sheet needs the polymerization of melt blending molding mode processing preparation
Object composite material.Patent CN 102558653A is disclosed a kind of be used as using magnesium hydroxide and presses down A grades of fire prevention cores of hot compound preparation
Material material；The loading of its magnesium hydroxide in the base is up to 80-90% (weight percent), so high magnesium hydroxide filling
Amount will necessarily bring material cost steeply rise and the decline of mechanical property, applicability are more limited to, it is difficult to be suitable for power
It learns in the high material of performance requirement.Chinese patent CN103396629A discloses a kind of smoke-inhibiting flame retardant sound insulation PVC material, using oxygen
Change antimony, ten dibromodiphenyl ethers, zinc borate, ferrocene and aluminium hydroxide etc. are cooperateed with as flame-retardant composition, reach smoke-inhibiting flame retardant purpose；
However its flame-retardant system quantity relating used is more, is formulated complex.
Thus, need to develop it is a kind of can effectively reduce cost, reducing polyvinyl chloride combustion heat value simultaneously can take into account mechanical property
Polyvinyl chloride composite board material material.
Summary of the invention
In view of this, the present invention provides a kind of low combustion heat value polyvinyl chloride composite materials composition, the composition is utilized
Low combustion heat value polyvinyl chloride composite materials, especially composite board material are prepared, A2 grades of combustion heat value can be obtained, simultaneously
With preferable mechanical property and moulding processability, formula is simple, and preparation cost is low.
The present invention is to reach its purpose, is provided the following technical solutions:
One aspect of the present invention provides a kind of low combustion heat value polyvinyl chloride composite materials composition and (hereafter or referred to as combines
Object), the composition includes Corvic, impact modifier, presses down hot compound, heat stabilizer and flow ability modifying agent,
Described in the hot compound of suppression be hydroxide and carbonate combination；The parts by weight difference of above-mentioned each component in the composition
Are as follows: 30-60 parts of Corvic, 3-6.2 parts of impact modifier, 28-100 parts of hydroxide, 80-150 parts of carbonate, heat are steady
Determine 1.2-3 parts of agent, 1-2.4 parts of flow ability modifying agent.
The present invention is using carbonate and hydroxide compounding as hot compound is pressed down, and the two acts synergistically, in different temperatures
Under generated efficient heat absorption fire retarding effect by thermal decomposition gradually；Part hydroxide is substituted using part thereof, combines conduct
Press down hot compound, the composite material of A2 combustion heat value can be obtained under lower Inorganic Fillers Filled amount.Preferably, suppression heat is compound
The weight percent of object in the base is 75%-80% (such as 75%, 77%, 78%, 80% etc.), the hot compound of suppression
In, the weight ratio of hydroxide and carbonate is preferably 1:3-1:1 (such as 1:3,1:2,1:1 etc.), using the suppression of optimum ratio
The combustion heat value of material can not only be effectively reduced in hot compound, reach A2 requirement, and resulting materials have good mechanical property
Energy.It is further preferred that the impact modifier, flow ability modifying agent and heat stabilizer respectively are the Corvic
10-18% (such as 10%, 12%, 14%, 16%, 18% etc.), the 2%-6% (such as 2%, 4%, 6% etc.), 2%- of weight
10% (such as 2%, 4%, 6%, 8%, 10% etc.), using optimum ratio, gained polyvinyl-chloride plate material material has more preferably
Comprehensive performance.
In composition of the invention, the partial size for pressing down the hydroxide used in hot compound is 1 μm -5 μm (such as 1 μ
M, 3 μm, 5 μm etc.), the partial size of the carbonate is 20 μm -50 μm (such as 20 μm, 30 μm, 40 μm, 50 μm etc.)；Using preferred
The hydroxide and carbonate combination of partial size can fill lower small particle inorganic filler bring as hot compound is pressed down to avoid height
Material melt poor fluidity is difficult to mixed problem；It can also be to avoid the big particle diameter inorganic filler bring mechanics of materials under height filling
The problem of performance difference.The hydroxide is preferably selected from one of magnesium hydroxide, aluminium hydroxide, layered double-hydroxide or two
Kind or more combination.The carbonate is preferably selected from calcium carbonate, zinc carbonate, magnesium carbonate (i.e. MgCO3) one or both of with
On combination.
Material compositions (or abbreviation composition) of the invention, the impact modifier is preferably acrylate, chlorine
Chlorinated polynvinyl chloride (CPVC), acrylonitrile-butadiene-styrene copolymer, ethylene-vinyl acetate copolymer, methacrylic acid-fourth two
The combination of one or more of alkene-styrene polymer can use the existing corresponding raw material in this field, such as routinely
Marketable material.
Material compositions of the invention, the flow ability modifying agent are preferably polyethylene wax, stearic acid, calcium stearate, chlorination
The combination of one or more of polyethylene, chlorinated paraffin, silicone powder can use the existing corresponding raw material in this field,
Such as conventional commercial raw material.It is preferred that containing chlorinated paraffin and/or silicone powder in flow ability modifying agent, it is not only advantageous for material flowability
Improvement, while be also advantageous for reduce composite material combustion heat value.
Material compositions of the invention, heat stabilizer used can use heat stabilizer reagent commonly used in the art, example
For example commercially available calcium zinc stabilizer, organic tin stabilizer, lead salt stabilizer etc..
Second aspect of the present invention provides a kind of multiple using low combustion heat value polyvinyl chloride made from composition described above
Condensation material, the preferably composite material are composite board material.
Third aspect present invention provides the preparation method of low combustion heat value polyvinyl chloride composite materials described above, including
Following steps:
1) by the composition hydroxide and carbonate dry to remove moisture, preferably it is described drying in 80-110
It is carried out at a temperature of DEG C, such as drying 2-3 hours；
2) according to the proportion by each component investment blender (such as high-speed mixer) the high speed stirring in the composition
And raw material is made to heat up, the mixing speed of the preferably described high-speed stirred is 860-1300rpm；The material temperature rises to 100-120
It after DEG C, is stirred at low speed, the mixing speed preferably stirred at low speed is 430-650rpm, and makes the greenhouse cooling of raw material to 50-
80 DEG C, such as reach cooling purpose under the action of cooling water and stirring；Material is discharged later, preferably in low speed (70-
Material is discharged under 200rpm), completes premix work；
3) pre- mixed material is subjected to melt blending and formed.
In some preferred embodiments, in the step 3), by the pre- mixed material on the double roll mill in
Melt blending (such as melt blending 10-20min) blanking slice afterwards is carried out at 175-190 DEG C, then (preferably in 175-185 DEG C
First preheated 3 minutes or so at such a temperature before molding) plate, such as molding 8-15min are molded under 1-10MPa pressure into plate.
In some preferred embodiments, the step 3) is completed in double screw extruder, the double screw extruder
Temperature control condition preferably includes: 160-170 DEG C of feeding section, 180-190 DEG C of melt zone, 180-190 DEG C of homogenizing zone, head 170-
180 DEG C, 175-185 DEG C of die orifice, screw speed 6-15r/min.
Technical solution provided by the invention has the following beneficial effects:
1, it is multiple that polyvinyl chloride can be effectively reduced using hydroxide and carbonate built as hot compound is pressed down in the present invention
The combustion heat value of condensation material.Hydroxide and carbonate are absorbed comburant surface heat, and its decomposition product (water by thermal decomposition
Or carbon dioxide) it can play the role of dilute combustion object surface oxygen, the metal oxide of generation again can be in comburant table
Face forms fine and close oxidation film, prevents the sprawling of burning.
2, the present invention presses down hot compound using the compounding that hydroxide and carbonate form, decomposition temperature with higher and
Good heat absorption capacity can avoid the prior art and use water and inorganic salts bring low-temperature decomposition, high temperature failure and white cigarette concentration
Big problem.The hot compound of suppression is formed to compound with the hydroxide of carbonate substitution part, it can also be in identical combustion heat value
Lower reduce presses down the total content (such as being reduced to 80% or less) of hot compound in the base, to keep the good mechanical property of material
And mobile performance provides space.
3, present invention preferably employs the hot compounds of suppression of 1 μm -5 μm of hydroxide and 20 μm -50 μm of carbonate composition.
This aspect can fill lower small particle inorganic filler bring material melt poor fluidity to avoid height, be difficult to mixed problem；Separately
It on the one hand can also be to avoid the problem of big particle diameter inorganic filler bring material mechanical performance difference under high filling.
4, the present invention does not need to be modified filler surface processing, has formula and simple process, and preparation manipulation is convenient,
The characteristics of cost is relatively low.
5, the characteristics of resulting materials of the present invention have combustion heat value low, high mechanical properties (such as preferable nail-holding ability), can
To meet fire-retardant rank for the requirement of the wall board material of A2.And the used hot compound of suppression is nontoxicity, and environment protecting is good
Inorganic filler, material is environmentally protective.
6, molding can be used in composite material of the invention or the method for extrusion molding carries out machine-shaping as composite board material
Material.Compared with prior art, lower product cost can be obtained in identical combustion heat value, preferable mechanical property (is drawn
Stretch fracture property and nail-holding ability) and moulding processability sheet material；It can get in fields such as building materials, household electrical appliances and daily lifes
It is widely applied.
Specific embodiment
The present invention is specifically described below by embodiment, it is necessary to which indicated herein is that following embodiment is served only for
Invention is further explained, should not be understood as being confined to this to the scope of the present invention, and field technical staff can be with
Some nonessential modifications and adaptations are made to the present invention according to above content.
If each raw material parts in following embodiment is not specified, parts by weight are referred both to.
Heat stabilizer used in following embodiment is all made of calcium zinc heat stabilizer, if in following embodiment it is raw materials used not
It illustrates, is commercially available conventional raw material.Specifically for example, Corvic: commercially available；Chlorinated polyvinyl chloride resin: commercially available, chlorine
Content about 67%；Ethylene-vinyl acetate copolymer: vinyl acetate content about 18% (Du Pont Elvax410)；Calcium zinc thermostabilization
Agent: commercially available；Polyethylene wax: commercially available；Chlorinated paraffin: commercially available, chlorinity about 52% (as 52# chlorinated paraffin)；Acrylate tree
Rouge: ACR resin (deep pool PA20 in Japan)；Methacrylic acid-butadiene-styrene polymer: MBS resin (U.S.'s ROHM AND HAAS
K-130P)；Layered double-hydroxide: commercially available；Haloflex: chlorinity about 36% (Dow CPE7100)；Silicone powder:
It is commercially available.The above is only illustrating to raw materials used in embodiment, each component of the present invention is raw materials used to be not limited to this.
Embodiment 1
1) by 28 parts of aluminium hydroxide (1 μm), 31 parts of zinc carbonate (30 μm), 31 parts of magnesium carbonate (30 μm), 21 part (50 of calcium carbonate
μm) dried 2 hours at a temperature of 110 DEG C, to remove moisture；It is used later as the hot compound of suppression.
2) again by the hot compound of above-mentioned suppression and 30 parts of Corvic, 2.5 parts of chlorinated polyvinyl chloride resin, ethylene-vinegar
0.5 part of vinyl acetate copolymer, 3 parts of heat stabilizer, 0.5 part of polyethylene wax, 0.5 part of chlorinated paraffin be put into high-speed mixer,
It under the effect of 1300rpm high-speed stirred, after so that material temperature is risen to 120 DEG C, changes 650rpm and stirs at low speed, in cooling water and stirring
Under effect, the temperature of raw material is down to 50 DEG C, material is discharged under 200rpm low speed, completes the premix work of PVC mixing.
3) pre- mixed material is carried out to melt blending 20min blanking slice at 175 DEG C on the double roll mill, then
5min is first preheated in 175 DEG C, is then molded 10min under 5MPa pressure, the polyvinyl chloride for obtaining a kind of low combustion heat value is compound
Material.
Embodiment 2
1) 97 parts of aluminium hydroxide (3 μm), 150 parts of calcium carbonate (50 μm) are dried 3 hours at a temperature of 80 DEG C, to remove water
Point；It is used later as the hot compound of suppression.
2) again by the hot compound of above-mentioned suppression and 60 parts of Corvic, 1.5 parts of acrylate, chliorinated polyvinyl chloride
4.5 parts of resin, 0.2 part of acrylonitrile-butadiene-styrene (ABS) polymer, 1.2 parts of heat stabilizer, 1.2 parts of polyethylene wax, stearic acid
1.2 parts are put into high-speed mixer, under the effect of 950rpm high-speed stirred, after so that material temperature is risen to 120 DEG C, change 475rpm low speed
The temperature of raw material is down to 80 DEG C, material is discharged under 130rpm low speed by stirring under the action of cooling water and stirring, complete
At the premix work of PVC mixing.
3) pre- mixed material is carried out to melt blending 10min blanking slice at 180 DEG C on the double roll mill, then
3min is first preheated in 185 DEG C, is then molded 10min under 8MPa pressure, the polyvinyl chloride for obtaining a kind of low combustion heat value is compound
Material.
Embodiment 3
1) by 40 parts of magnesium hydroxide (5 μm), 40 parts of layered double-hydroxide (20 μm), 80 parts of magnesium carbonate (30 μm) 110
It is dried 2 hours at a temperature of DEG C, to remove moisture；It is used later as the hot compound of suppression.
2) again by the hot compound of above-mentioned suppression and 40 parts of Corvic, methacrylic acid-butadiene-styrene polymer
0.5 part, 5.5 parts of acrylate, 2.4 parts of heat stabilizer, 0.8 part of stearic acid, 0.8 part of polyethylene wax, 0.8 part of silicone powder put
Enter high-speed mixer, under the effect of 860rpm high-speed stirred, after so that material temperature is risen to 120 DEG C, changes 430rpm and stir at low speed,
Under the action of cooling water and stirring, the temperature of raw material is down to 80 DEG C, material is discharged under 70rpm low speed, completes PVC mixing
Premix work.
3) pre- mixed material is subjected to mixing extrusion in double screw extruder.The temperature control of extruder is feeding section
170 DEG C, 190 DEG C of melt zone, 190 DEG C of homogenizing zone, 180 DEG C of head, 185 DEG C of die orifice, screw speed 15r/min.Obtain one kind
The polyvinyl chloride composite materials of low combustion heat value.
Embodiment 4
1) by 31 parts of aluminium hydroxide (1 μm), 20 parts of magnesium hydroxide (5 μm), 50 parts of magnesium carbonate (30 μm), zinc carbonate (30 μm)
50 parts dry 3 hours at a temperature of 80 DEG C, to remove moisture；It is used later as the hot compound of suppression.
2) again by the hot compound of above-mentioned suppression and 30 parts of Corvic, 1.2 parts of acrylate, chliorinated polyvinyl chloride
4 parts, 1.2 parts of heat stabilizer, 0.4 part of haloflex, 0.4 part of polyethylene wax, 0.4 part of silicone powder be put into high-speed mixer,
After so that material temperature is risen to 120 DEG C under the effect of 950rpm high-speed stirred, changes 475rpm and stir at low speed, in the work of cooling water and stirring
Under, the temperature of raw material is down to 70 DEG C, material is discharged under 100rpm low speed, completes the premix work of PVC mixing.
3) pre- mixed material is subjected to mixing extrusion in double screw extruder.The temperature control of extruder is feeding section
160 DEG C, 180 DEG C of melt zone, 180 DEG C of homogenizing zone, 170 DEG C of head, 175 DEG C of die orifice, screw speed 6r/min.It obtains a kind of low
The polyvinyl chloride composite materials of combustion heat value.
Comparative example 1
1) 150 parts of aluminium hydroxide (1 μm) are dried 3 hours at a temperature of 100 DEG C, to remove moisture；Later as suppression heat
Agent uses.
2) again by 30 parts of above-mentioned suppression thermit powder and Corvic, 1.2 parts of acrylate, 4 parts of chliorinated polyvinyl chloride,
2.0 parts of heat stabilizer, 0.4 part of haloflex, 0.4 part of polyethylene wax, 0.4 part of stearic acid be put into high-speed mixer,
After so that material temperature is risen to 120 DEG C under the effect of 950rpm high-speed stirred, changes 475rpm and stir at low speed, in the work of cooling water and stirring
Under, the temperature of raw material is down to 70 DEG C, material is discharged under 100rpm low speed, completes the premix work of PVC mixing.
3) pre- mixed material is subjected to melt blending at 185 DEG C on the double roll mill, due to aluminium hydroxide partial size
Small, additive amount is big, it is difficult to disperse.Blend flow is poor, is still the mixture of powder and small pieces material after blending 30min.Nothing
Method obtains uniform sheet material by way of melt blending.
Comparative example 2
1) 75 parts of magnesium carbonate (30 μm), 75 parts of calcium carbonate (50 μm) are dried 2 hours at a temperature of 80 DEG C, to remove water
Point；It is used later as the hot compound of suppression.
2) again by the hot compound of above-mentioned suppression and 30 parts of Corvic, 1.2 parts of acrylate, chliorinated polyvinyl chloride
4 parts, 2.0 parts of heat stabilizer, 0.4 part of haloflex, 0.4 part of polyethylene wax, 0.4 part of stearic acid be put into high-speed mixer,
After so that material temperature is risen to 120 DEG C under the effect of 950rpm high-speed stirred, changes 475rpm and stir at low speed, in the work of cooling water and stirring
Under, the temperature of raw material is down to 70 DEG C, material is discharged under 100rpm low speed, completes the premix work of PVC mixing.
3) pre- mixed material is subjected to mixing extrusion in double screw extruder.The temperature control of extruder is feeding section
160 DEG C, 180 DEG C of melt zone, 180 DEG C of homogenizing zone, 170 DEG C of head, 175 DEG C of die orifice, screw speed 6r/min.It obtains a kind of low
The polyvinyl chloride composite materials of combustion heat value.
The raw material dosage table of the various embodiments described above is as shown in table 1, and the number in table is parts by weight.By the various embodiments described above
Polyvinyl chloride composite materials are detected, and testing result is shown in Table 2.
Each embodiment composition of raw materials table of table 1
2 testing result of table
It will be understood by those skilled in the art that under the introduction of this specification, the present invention can be made some modifications or
Adjustment.These modifications or adjustment should also be as within the scope of the claims in the present invention.
Claims (10)
1. a kind of low combustion heat value polyvinyl chloride composite materials composition, which is characterized in that the composition includes polyvinyl chloride
Resin, impact modifier, the hot compound of suppression, heat stabilizer and flow ability modifying agent, wherein the hot compound of suppression is hydroxide
With the combination of carbonate；The parts by weight of above-mentioned each component in the composition are respectively as follows: 30-60 parts of Corvic, resist
3-6.2 parts of impact modifier, 28-100 parts of hydroxide, 80-150 parts of carbonate, 1.2-3 parts of heat stabilizer, flow ability modifying agent 1-
2.4 part.
2. polyvinyl chloride composite materials composition according to claim 1, which is characterized in that the hot compound of suppression is in institute
Stating the weight percent in composition is 75%-80%；It is preferred that in the hot compound of suppression, the weight of hydroxide and carbonate
Than for 1:3-1:1.
3. polyvinyl chloride composite materials composition according to claim 2, which is characterized in that the impact modifier, stream
Dynamic modifying agent and heat stabilizer respectively are 10-18%, 2%-6%, 2%-10% of the Corvic weight.
4. polyvinyl chloride composite materials composition according to claim 1-3, which is characterized in that the hydroxide
The partial size of object is 1 μm -5 μm；The hydroxide is preferably selected from magnesium hydroxide, aluminium hydroxide, one in layered double-hydroxide
Kind or two or more combinations.
5. polyvinyl chloride composite materials composition according to claim 4, which is characterized in that the partial size of the carbonate is
20 μm -50 μm, the carbonate is preferably selected from the combination of one or more of calcium carbonate, zinc carbonate, magnesium carbonate.
6. polyvinyl chloride composite materials composition according to claim 1-5, which is characterized in that the anti-impact changes
Property agent be that acrylate, chliorinated polyvinyl chloride, acrylonitrile-butadiene-styrene copolymer, ethylene-vinyl acetate are total
The combination of one or more of polymers, methacrylic acid-butadiene-styrene polymer.
7. polyvinyl chloride composite materials composition according to claim 1-6, which is characterized in that the flowing changes
Property agent be one or more of polyethylene wax, stearic acid, calcium stearate, haloflex, chlorinated paraffin, silicone powder
Combination.
8. polyvinyl chloride composite materials composition according to claim 1-7, which is characterized in that the thermostabilization
Agent is the combination of one or more of calcium zinc stabilizer, organic tin stabilizer, lead salt stabilizer.
9. a kind of utilize low combustion heat value polyvinyl chloride composite materials made from the described in any item compositions of claim 1-8,
It is preferred that the composite material is composite board material.
10. the preparation method of low combustion heat value polyvinyl chloride composite materials as claimed in claim 9, which is characterized in that including such as
Lower step:
1) by the composition hydroxide and carbonate dry to remove moisture, preferably it is described drying in 80-110 DEG C of temperature
Degree is lower to carry out；
2) each component investment blender high speed in the composition is stirred according to the proportion and raw material is made to heat up, it is preferably described
The mixing speed of high-speed stirred is 860-1300rpm；After the material temperature rises to 100 DEG C -120 DEG C, stirred at low speed, it is excellent
Selecting the mixing speed stirred at low speed is 430-650rpm, and makes the greenhouse cooling of raw material to 50-80 DEG C；Material is discharged later, it is complete
At premix work；
3) pre- mixed material is subjected to melt blending and formed；
Preferably, in the step 2), the discharge material is preferably 70-200rpm stirring at low speed lower progress, mixing speed；
Preferably, in the step 3), the pre- mixed material is melted at 175-190 DEG C on the double roll mill
Blanking slice after blending, the time of the preferably described melt blending are 10-20min；Then in 175-185 DEG C in 1-10MPa pressure
Under be molded into plate, preferably clamp time is 8-15min；Alternatively, the step 3) is completed in double screw extruder, it is further excellent
The temperature control condition for selecting the double screw extruder includes: 160-170 DEG C of feeding section, 180-190 DEG C of melt zone, homogenizing zone
180-190 DEG C, 170-180 DEG C of head, 175-185 DEG C of die orifice, screw speed 6-15r/min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112126176A (en) * | 2020-09-25 | 2020-12-25 | 广州润楠新材料科技有限公司 | Toe guard and preparation process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1276393A (en) * | 1999-06-02 | 2000-12-13 | 兖州矿业(集团)有限责任公司新世纪集团公司 | Composition used for fire resistant industrial wall slab and its production technology |
| EP2093249A1 (en) * | 2008-02-20 | 2009-08-26 | Pipelife Nederland B.V. | Unplasticized PVC composition |
| CN103842175A (en) * | 2011-09-30 | 2014-06-04 | 3M创新有限公司 | Decorative film having low gross heat of combustion |
-
2019
- 2019-04-25 CN CN201910341069.3A patent/CN110172215B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1276393A (en) * | 1999-06-02 | 2000-12-13 | 兖州矿业(集团)有限责任公司新世纪集团公司 | Composition used for fire resistant industrial wall slab and its production technology |
| EP2093249A1 (en) * | 2008-02-20 | 2009-08-26 | Pipelife Nederland B.V. | Unplasticized PVC composition |
| CN103842175A (en) * | 2011-09-30 | 2014-06-04 | 3M创新有限公司 | Decorative film having low gross heat of combustion |
Non-Patent Citations (4)
| Title |
|---|
| ABDUL AHAMAD，等: "Evaluation of the synergistic effect of layered double hydroxides with micro- and nano-CaCO3 on the thermal stability of polyvinyl chloride composites", 《JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS》 * |
| 张道海，等: "填料对软质聚氯乙烯复合材料性能的影响", 《现代塑料加工应用》 * |
| 王文广，等: "《聚合物改性原理》", 31 March 2018, 中国轻工业出版社 * |
| 王许云，等: "填充聚合物分解热效应对锥形量热法测热结果的影响X", 《高分子材料科学与工程》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112126176A (en) * | 2020-09-25 | 2020-12-25 | 广州润楠新材料科技有限公司 | Toe guard and preparation process thereof |
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