CN105949649A - Non-phthalic PVC aggregate and preparation method thereof - Google Patents
Non-phthalic PVC aggregate and preparation method thereof Download PDFInfo
- Publication number
- CN105949649A CN105949649A CN201610341114.1A CN201610341114A CN105949649A CN 105949649 A CN105949649 A CN 105949649A CN 201610341114 A CN201610341114 A CN 201610341114A CN 105949649 A CN105949649 A CN 105949649A
- Authority
- CN
- China
- Prior art keywords
- pvc
- pellet
- mass fraction
- pvc pellet
- benzene class
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/12—Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
-
- 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
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
Abstract
The invention provides a non-phthalic PVC aggregate and a preparation method thereof. The non-phthalic PVC aggregate comprises, by mass, 49-51% of PVC powder and is characterized by further comprising, by mass, 19-21% of a modifier and the balance of a regulator. The non-phthalic PVC aggregate comprises, by mass, 49-51%, preferably 50% of the PVC powder and 19-21%, preferably 20% of the modifier, matting resin is selected as the modifier, and calcium carbonate does not need to be added, so that specific gravity of the non-phthalic PVC aggregate is not increased; performance indexes like hardness and tensile strength can be guaranteed when the non-phthalic PVC aggregate is properly proportioned. Matting effect can be improved, and characteristics of the non-phthalic PVC aggregate are unaffected. Both a formulation and the preparation method of the non-phthalic PVC aggregate can ensure high quality and good performance, and the non-phthalic PVC aggregate has wide application range.
Description
Technical field
The present invention relates to PVC material field, in particular to a kind of non-neighboring benzene class PVC pellet.
Background technology
At present, the adjacent benzene class PVC kind in the whole world has accounted for about 80%, and non-neighboring benzene class plasticizer only accounts for 20%.PVC
In the production, life of people ubiquitous, China become the maximum PVC manufacturing country in the whole world, country of consumption and
Importer.Further, the PVC market of China is dominated by adjacent benzene class plasticizer the most always.According to statistics, PVC
It it is the medical plastic of current consumption maximum.For increasing the elasticity of PVC, in commonly used PVC series products all
Containing current most economical effective and widely used plasticizer phthalic acid dioctyl ester (DOP) plasticizer
Or diisononyl phthalate (DINP).
In recent years, occur in that the negative report much about adjacent benzene class PVC, cause consumer that this series products is lost
Breaking one's promise the heart, some research worker also begin to produce adjacent benzene class PVC query.So, use new green environment protection type
PVC wants to substitute adjacent benzene class PVC of tradition comprehensively, it has also become a technical problem.
Developed country just eliminates traditional PVC phthalate with the speed of 15%～17% every year at present
PVC.This dispute has promoted without phthalate PVC or alternative PVC material, as with PE and
The active development of the innovation scheme based on PU.
Such as Chinese patent 101899188A discloses a kind of PVC granular material in medical use, and it is by polyvinyl chloride resin, plasticising
Agent, heat stabilizer, lubricant composition, in formula, the content (quality) of each composition is: polyvinyl chloride resin 50-65%,
Plasticizer DINCH30-45%, heat stabilizer 3-5%, lubricant 1-2%.This technical scheme is mainly plasticizer
DINCH instead of plasticizer DOP, stopped due in PVC pellet the migration of plasticizer DOP and cause thrombosis
Probability, stopped DOP possibly as a kind of carcinogen probability to harm simultaneously.
Such as Chinese patent 1796451 discloses a kind of PVC granular material in medical use, it is characterised in that with citric acid positive three
Butyl ester is plasticizer, coordinates other modifying agent, including modified calcium carbonate filler, organic silicone oil, acrylic acid diformazan
The blended extrusion of ester, dispersant and make.Two above patent is mainly by the improvement of plasticizer, thus comes
Improve the medical application of PVC pellet.
The most such as Chinese patent CN105061929A discloses a kind of non-ortho-benzene medical PVC pellet, its feature
It is, according to mass fraction meter, is made up of following component: PVC powder 100 parts, plasticizer 45-50 part, surely
Determine agent 1-2.5 part, lubricant 0.1-0.5 part and antioxidant 0.3-1.2 part, meanwhile, disclose preparation side
Method puts into PVC powder in high mixer, is subsequently adding plasticizer stirring 10min, adds stabilizer, frictionally heat
Make material temperature be raised to about 90 DEG C, add lubricant, antioxidant, when material temperature rises to 105 DEG C, material is discharged to
Cooling mixing machine is lowered the temperature, to discharging when less than 50 DEG C；High mixer PVC material is put into screw feeding machine material
After bucket, through screw feeding machine, granular material being put into single screw extrusion machine, controlling extruder temperature is
Complete under the state of 140-150 DEG C to plastify mixing, fully dispersed uniformly after；At temperature is down to 120-130 DEG C
Complete extruding pelletization.This technical scheme PVC pellet owing to being applicable to medical industry, general civilian or other
Industry is the most impracticable, and such as, preparation method disclosed in this technical scheme, production is the highest, and system
Standby technique is the most coarse, is easily caused the handle that is difficult to of details in preparation process and controls, and product quality is unreliable, and does not has
There are extinction effect and the atomized surface effect of industry requirement.
It addition, studies have reported that, PVC is obtained atomized surface effect by adding inorganic powder, but this way meeting
The proportion causing PVC pellet increases, and can affect mechanical property and the chemical stability of PVC.
Summary of the invention
For overcoming present in prior art being difficult to control of details in preparation process, product quality is unreliable, and
There is no extinction effect and the atomized surface effect problem of industry requirement, the invention provides a kind of non-neighboring benzene class PVC pellet
And preparation method thereof.
The technical solution used in the present invention is: a kind of non-neighboring benzene class PVC pellet, including PVC powder, and its innovative point
It is: also include modifying agent and regulator；Described PVC powder accounts for the mass fraction of PVC pellet 49-51%；Institute
Stating modifying agent and account for the mass fraction of PVC pellet 19-21%, surplus is regulator.
On this basis, described PVC powder accounts for the mass fraction of PVC pellet 50%；Described modifying agent accounts for PVC grain
The mass fraction of material 20%.
On this basis, described modifying agent is matting resin.
On this basis, described regulator includes plasticizer, stabilizer, promotion gelatinizing agent and lubricant.
On this basis, each constituent mass mark of described non-neighboring benzene class PVC pellet is: described PVC powder accounts for
The mass fraction of PVC pellet 50%；Described modifying agent accounts for the mass fraction of PVC pellet 20%；Described plasticizer
Account for the mass fraction of PVC pellet 27.5%；Described stabilizer accounts for the mass fraction of PVC pellet 2%；Described promotion
Gelatinizing agent accounts for the mass fraction of PVC pellet 0.3%；Described lubricant accounts for the mass fraction of PVC pellet 0.2%.
On this basis, arbitrary during described plasticizer is DOTP or tributyl 2-acetylcitrate
Kind；Described stabilizer is calcium zinc stabilizer；Described promotion gelatinizing agent is any one in MBS or PA-20；Institute
Stating lubricant is OPE.
It is a further object to provide the preparation method of a kind of non-neighboring benzene class PVC pellet, its feature exists
In: comprise the following steps:
1) weigh according to proportioning raw materials；
2), after first putting into PVC powder and modifying agent in homogenizer, plasticizer stirring, high-speed stirring are added
Mix；
3) treat that temperature rises to 70-80 DEG C, add stabilizer and promote gelatinizing agent；
4) treat that temperature rises to 90-95 DEG C, add lubricant；
5) treating that temperature rises to 110-120 DEG C, material fully absorbs, and after mix homogeneously, is drained into by material cold
But mixer is lowered the temperature；
6), after being cooled to 60 DEG C, send device to deliver to feeding bucket by flat mixed material, fed by pressure
Compound is thrown to double screw extruder by material machine；
7) by the fricting shearing of twin screw, plastify further, mixing uniformly after, feeding squeezes to single screw rod
Go out machine, filter off impurity through defecator, non-neighboring benzene class PVC can be produced to pelletizing die head pelletizing molding
Pellet.
On this basis, described above-mentioned steps 2) in: under stirring at low speed speed, put into PVC powder and modifying agent,
Start oil pump, enter plasticizer, after waiting plasticizer drained, start high-speed stirred；Described plasticizer is from a high speed
Down enter above blender.
On this basis, described above-mentioned steps 7) in: the heating-up temperature of described twin screw is interval: be divided into 8
Individual interval, the temperature of last temperature range is the highest, is gradually increasing, and temperature total size is 90-160 DEG C；
The heating-up temperature of described single screw rod is interval: being divided into 2 intervals, temperature total size is 120-140 DEG C；Described
The heating-up temperature of die head is interval: 1 interval 140-150 DEG C.
On this basis, the rotating speed of described stirring at low speed is 300-500rpm；The rotating speed of described high-speed stirred is
1200-1500rpm。
Compared with prior art, the invention has the beneficial effects as follows:
(1) non-neighboring benzene class PVC pellet of the present invention, including PVC powder and modifying agent, PVC powder accounts for PVC pellet
The mass fraction of 49-51%, preferably 50%, modifying agent accounts for the mass fraction of PVC pellet 19-21%, preferably
20%, selection modifying agent is matting resin, need not add calcium carbonate, not increase the proportion of product, and formula is simple,
And properly mixed non-neighboring benzene class PVC pellet, ensure that the performance indications of such as hardness, hot strength equally.
(2) non-neighboring benzene class PVC pellet of the present invention, also include plasticizer, stabilizer, promotion gelatinizing agent and
Lubricant, various suitable dispensings in PVC pellet, and the mass combination in dispensing, not only the compatibility is good,
Without separating out, not affecting processing temperature, reach abroad to be correlated with Environmental Protection Level, and is detected by third party, simultaneously
Atomized surface effect, extinction effect can also be increased, the most do not affect product attribute, it is ensured that good product quality, excellent performance,
There is purposes widely.
(3) non-neighboring benzene class PVC pellet preparation method of the present invention, by 7 big steps, is carried out material in batches
Adding, and determine that corresponding feed temperature is interval, preparation process is in good order, and simple and clear pointing out is necessary bright
Really process, has the biggest promotional value, is suitable for large-scale production.
(4) non-neighboring benzene class PVC pellet preparation method of the present invention, the twin screw of use, single screw rod, die head are equal
Set between temperature-controlled area, and carry out suitable temperature range segmentation, effective control for product quality, it is provided that
Fixed temperature step, the beneficially growth of non-neighboring benzene class PVC pellet so that it is possess the performance of excellence.
Accompanying drawing explanation
Fig. 1 is the flow chart of preparation method of the present invention；
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that this place
The specific embodiment described, only in order to explain the present invention, is not intended to limit the present invention.
The present invention discloses a kind of non-neighboring benzene class PVC pellet, including PVC powder, modifying agent and regulator；Described
PVC powder accounts for the mass fraction of PVC pellet 49-51%；Described modifying agent accounts for the quality of PVC pellet 19-21% and divides
Number, surplus is regulator.In present embodiment, modifying agent can be matting resin, need not add calcium carbonate,
Not increasing the proportion of product, formula is simple, and properly mixed non-neighboring benzene class PVC pellet, ensure that equally
The such as performance indications of hardness, hot strength.As preferably, described PVC powder accounts for the matter of PVC pellet 50%
Amount mark；Described modifying agent accounts for the mass fraction of PVC pellet 20%.
As it is further preferred that the non-neighboring benzene class PVC pellet regulator of present embodiment include plasticizer,
Stabilizer, promotion gelatinizing agent and lubricant.PVC powder in PVC pellet in the present embodiment, modifying agent, plasticizer,
Stabilizer, promotion gelatinizing agent and these 6 kinds of suitable dispensings of lubricant, and the mass combination in dispensing, not only
Further add atomized surface effect, extinction effect, the most do not affect product attribute, good product quality, property
Can be good, there is purposes widely.Concrete, say, that present embodiment adds plasticizer, stabilizer,
Each constituent mass mark of the non-neighboring benzene class PVC pellet of promotion gelatinizing agent and lubricant can be: described PVC
Powder accounts for the mass fraction of PVC pellet 50%；Described modifying agent accounts for the mass fraction of PVC pellet 20%；Described increasing
Mould agent and account for the mass fraction of PVC pellet 27.5%；Described stabilizer accounts for the mass fraction of PVC pellet 2%；Described
Promote that gelatinizing agent accounts for the mass fraction of PVC pellet 0.3%；Described lubricant accounts for the quality of PVC pellet 0.2% and divides
Number.And unconfined, in present embodiment, each constituent mass mark of non-neighboring benzene class PVC pellet can also be:
Described PVC powder accounts for the mass fraction of PVC pellet 49%；Described modifying agent accounts for the mass fraction of PVC pellet 21%；
Described plasticizer accounts for the mass fraction of PVC pellet 27.5%；Described stabilizer accounts for the mass fraction of PVC pellet 2%；
Described promotion gelatinizing agent accounts for the mass fraction of PVC pellet 0.3%；Described lubricant accounts for the matter of PVC pellet 0.2%
Amount mark.It addition, when described PVC powder accounts for the mass fraction of PVC pellet 51%, and modifying agent accounts for PVC pellet 19%
Mass fraction, then plasticizer accounts for the mass fraction of PVC pellet 27.5%；Stabilizer accounts for the matter of PVC pellet 2%
Amount mark；Promote that gelatinizing agent accounts for the mass fraction of PVC pellet 0.3%；Lubricant accounts for the matter of PVC pellet 0.2%
Amount mark.
Preferably, in the present embodiment, plasticizer is in DOTP or tributyl 2-acetylcitrate
Any one；Described stabilizer is calcium zinc stabilizer, and certainly, calcium zinc stabilizer can be solid calcium zinc stabilizer,
Can also be liquid calcium zinc stabilizer, there is goodish heat stability, light stability and the transparency and tinting strength, tinting power；
Described promotion gelatinizing agent is that (MBS resin system is by methyl methacrylate (M), butadiene (B) and styrene (S) for MBS
The prepared terpolymer by two step emulsion graft polymerizations) or PA-20 (can select Japan Zhong Yuan produce add
Work auxiliary agent PA-20) in any one；Described lubricant is OPE or tristerin or poly-second
Alkene wax or stearic acid.
In another embodiment of the present embodiment, disclose the system of non-neighboring benzene class PVC pellet in above-mentioned embodiment
Preparation Method, as shown in Figure 1: comprise the following steps:
1) weigh according to proportioning raw materials；Preferably, it is assumed that the PVC pellet needing the quality of production to be 100g；
Determine that PVC powder accounts for the mass fraction of PVC pellet 50%；Modifying agent accounts for the mass fraction of PVC pellet 20%；Increase
Mould agent and account for the mass fraction of PVC pellet 27.5%；Stabilizer accounts for the mass fraction of PVC pellet 2%；Promote gel
Agent accounts for the mass fraction of PVC pellet 0.3%；Lubricant accounts for the mass fraction of PVC pellet 0.2%.So, change
If being counted as quality, then need to prepare PVC powder 50g；Modifying agent 20g；Plasticizer 27.5g；Stabilizer 2g；
Described promotion gelatinizing agent 0.3g；Described lubricant 0.2g.
Preferably, modifying agent mentioned above is chosen as matting resin；It is pungent that plasticizer is chosen as p-phthalic acid two
Ester；Stabilizer is chosen as solid calcium zinc stabilizer；(MBS resin system is by methyl to promote to be chosen as MBS by gelatinizing agent
Acrylic acid methyl ester. (M), butadiene (B) and styrene (S) is prepared terpolymer by two step emulsion graft polymerizations)
The processing aid PA-20 that Japan Zhong Yuan produces can also be selected；Lubricant is chosen as OPE.
2), after first putting into PVC powder and modifying agent matting resin in homogenizer, plasticizer is added to benzene
Dioctyl phthalate dioctyl ester stirs, and high-speed stirred, as preferred operations, above-mentioned steps 2) in: first will at a high speed
Blender regulates to lower-speed state, then puts into PVC powder and modifying agent delustring tree under stirring at low speed speed
Fat, starts oil pump, enters the plasticizer DOTP of corresponding proportional quantity, wait plasticizer terephthaldehyde
After dioctyl phthalate is drained, start high-speed stirred；Plasticizer DOTP is above homogenizer
Down enter.Preferably, the rotating speed of stirring at low speed is 300-500rpm；The rotating speed of described high-speed stirred is
1200-1500rpm.It is furthermore preferred that the rotating speed of stirring at low speed can be limited as 400rpm；Described high-speed stirred
Rotating speed be 1300rpm；After why putting into PVC powder and modifying agent matting resin under stirring at low speed speed,
Be conducive to fully absorbing of PVC powder and modifying agent matting resin, it is ensured that product has a good extinction, subsequently,
Deng plasticizer DOTP drained after, start high-speed stirred, then be because needing under high velocity agitation,
Plasticizer is fully merged in PVC powder and modifying agent matting resin, for follow-up plasticizing and the prerequisite base of mixing offer
Plinth, owing to DOTP selected by plasticizer, owing to itself being low-viscosity (mobile) liquid, after high speed rotating
Make plasticizer good with polymer compatibility, volatility reduction, can effectively suppress to ooze out, improve plasticizer capacity,
Ensure that goods have high brightness.
3) treat that temperature rises to 70-80 DEG C, add the stabilizer solid calcium zinc stabilizer of proportional quantity and promote glue
Agent MBS.
4) treat that temperature rises to 90-95 DEG C, add lubricant oxidation Tissuemat E.
5) treating that temperature rises to 110-120 DEG C, material fully absorbs, and after mix homogeneously, is drained into by material cold
But mixer is lowered the temperature.
6), after being cooled to 60 DEG C, send device to deliver to feeding bucket by flat mixed material, fed by pressure
Compound is thrown to double screw extruder by material machine.
7) mixed material in double screw extruder, by the fricting shearing of twin screw, plastifies further,
Mixing uniformly after, feeding to single screw extrusion machine, filter off impurity through defecator, become to pelletizing die head pelletizing
Type can produce the non-neighboring benzene class PVC pellet of present embodiment, owing to inevitably wearing and tearing in production process
And consumption, the non-neighboring benzene class PVC pellet that actual production goes out is 98g, and production efficiency is 98%.
By above-mentioned 7 big steps, being dividedly in some parts by material, preparation process is in good order, specifies pvc
The process of material grain, step refines, easily operates, easily control, have the biggest promotional value, is suitable for big rule
Mould produces.
In order to reach the effect of more preferable processing, step 7) in double screw extruder be also required to set
Determine heating-up temperature interval: in the present embodiment, double screw extruder heating-up temperature interal separation is become 8 intervals,
Temperature total size is 90-160 DEG C；Minimum according to the temperature of the temperature range started most, last temperature
The temperature in degree interval is the highest, the rule being gradually increasing, the interval concrete setting of 8 heating-up temperatures of double screw extruder
For: 90-95 DEG C, 95-100 DEG C, 100-110 DEG C, 110-120 DEG C, 120-130 DEG C, 130-140 DEG C,
140-150℃、150-160℃；By the fricting shearing of double screw extruder, plastify further.Same,
As it is further preferred that the heating-up temperature interal separation of single screw extrusion machine to be become 2 intervals, the total model of temperature
Enclose for 120-140 DEG C, minimum according to the temperature of a temperature range of first, the temperature of second temperature range
Spend the highest, the rule being gradually increasing, 2 heating-up temperature intervals of single screw extrusion machine are specifically set as:
120-130℃、130-140℃；The heating-up temperature interval of described pelletizing die head just sets 1 interval altogether, adds
Hot temperature range is 140-150 DEG C.The twin screw used in above-mentioned steps, single screw rod, die head are all set
Between temperature-controlled area, and carry out suitable temperature range segmentation, effective control for product quality, it is provided that certain temperature
Degree ladder, the beneficially growth of non-neighboring benzene class PVC pellet so that it is possess the performance of excellence.
The different ratio of above-mentioned detailed description of the invention and the production method of employing present embodiment are prepared
The performance indications synopsis of pvc material grain:
Table 1
Can draw with reference to upper table, the dosage when Pvc powder accounts for 50% mass fraction, the pvc produced expects grain
Performance optimal.
The identical Pvc powder of above-mentioned detailed description of the invention accounts for the proportioning of 50% mass fraction and uses this enforcement
The performance indications synopsis of the pvc material grain that the production method of mode and the production method of prior art are prepared:
Table 2
Certainly, the production method of above-mentioned prior art can be chosen as: puts into PVC powder and modification in high mixer
Agent, is subsequently adding plasticizer stirring 10min, after PVC is by plasticizer basic absorption, adds stabilizer, lean on
Frictional heat makes material temperature be raised to about 90 DEG C, adds lubricant, promotes gelatinizing agent, when material temperature rises to 105 DEG C,
Material is discharged in cooling mixing machine cooling, to discharging when less than 50 DEG C；High mixer PVC material is put into spiral
After feeder hopper, through screw feeding machine, granular material being put into single screw extrusion machine, controlling extruder temperature is
Complete under the state of 150 DEG C to plastify mixing, fully dispersed uniformly after；Extrusion is completed at temperature is down to 130 DEG C
Pelletize.
Can draw with reference to upper table, the production method in present embodiment, through constantly refining production stage,
And strictly controlling manufacturing parameter, pvc material grain and the production method of the prior art produced is produced
Pvc material grain compares excellent performance.
Described above illustrate and describes the preferred embodiments of the present invention, as previously mentioned, it should be understood that the present invention is also
Be not limited to form disclosed herein, be not to be taken as the eliminating to other embodiments, and can be used for various its
He combines, revises and environment, and can be in invention contemplated scope described herein, by above-mentioned teaching or relevant
Technology or the knowledge in field are modified.And the change that those skilled in the art are carried out and change are without departing from the present invention's
Spirit and scope, the most all should be in the protection domain of claims of the present invention.
Claims (10)
1. a non-neighboring benzene class PVC pellet, including PVC powder, it is characterised in that: also include modifying agent and regulator；
Described PVC powder accounts for the mass fraction of PVC pellet 49-51%；Described modifying agent accounts for the matter of PVC pellet 19-21%
Amount mark；Surplus is regulator.
Non-neighboring benzene class PVC pellet the most according to claim 1, it is characterised in that: described PVC powder accounts for PVC
The mass fraction of pellet 50%；Described modifying agent accounts for the mass fraction of PVC pellet 20%.
Non-neighboring benzene class PVC pellet the most according to claim 1 and 2, it is characterised in that: described modifying agent is
Matting resin.
Non-neighboring benzene class PVC pellet the most according to claim 1, it is characterised in that: described regulator includes
Plasticizer, stabilizer, promotion gelatinizing agent and lubricant.
Non-neighboring benzene class PVC pellet the most according to claim 4, it is characterised in that: described non-neighboring benzene class PVC
Each constituent mass mark of pellet is: described PVC powder accounts for the mass fraction of PVC pellet 50%；Described modifying agent
Account for the mass fraction of PVC pellet 20%；Described plasticizer accounts for the mass fraction of PVC pellet 27.5%；Described surely
Determine agent and account for the mass fraction of PVC pellet 2%；Described promotion gelatinizing agent accounts for the mass fraction of PVC pellet 0.3%；
Described lubricant accounts for the mass fraction of PVC pellet 0.2%.
Non-neighboring benzene class PVC pellet the most according to claim 5, it is characterised in that: described plasticizer is to benzene
Any one in dioctyl phthalate dioctyl ester or tributyl 2-acetylcitrate；Described stabilizer is calcium zinc stabilizer；Described
Promote that gelatinizing agent is any one in MBS or PA-20；Described lubricant is OPE.
7. the preparation method of the non-neighboring benzene class PVC pellet described in a claim 1, it is characterised in that: include with
Lower step:
1) weigh according to proportioning raw materials；
2), after first putting into PVC powder and modifying agent in homogenizer, plasticizer stirring, high-speed stirred are added；
3) treat that temperature rises to 70-80 DEG C, add stabilizer and promote gelatinizing agent；
4) treat that temperature rises to 90-95 DEG C, add lubricant；
5) treating that temperature rises to 110-120 DEG C, material fully absorbs, and after mix homogeneously, material drains into cooling mixed
Conjunction machine is lowered the temperature；
6), after being cooled to 60 DEG C, device is sent to deliver to feeding bucket, by forced feed machine by flat mixed material
Compound is thrown to double screw extruder；
7) by the fricting shearing of twin screw, plastify further, mixing uniformly after, feeding to single screw extrusion machine,
Filter off impurity through defecator, non-neighboring benzene class PVC pellet can be produced to pelletizing die head pelletizing molding.
The preparation method of non-neighboring benzene class PVC pellet the most according to claim 7, it is characterised in that: on described
State step 2) in: under stirring at low speed speed, put into PVC powder and modifying agent, start oil pump, enter plasticizer,
Deng plasticizer drained after, start high-speed stirred；Described plasticizer down enters above homogenizer.
The preparation method of non-neighboring benzene class PVC pellet the most according to claim 7, it is characterised in that: on described
State step 7) in: the heating-up temperature of described twin screw is interval: be divided into 8 intervals, last humidity province
Between temperature the highest, be gradually increasing, temperature total size is 90-160 DEG C；The heating-up temperature district of described single screw rod
Between: being divided into 2 intervals, temperature total size is 120-140 DEG C；The heating-up temperature of described die head is interval: 1
Individual interval 140-150 DEG C.
The preparation method of non-neighboring benzene class PVC pellet the most according to claim 8, it is characterised in that: described low
The rotating speed of speed stirring is 300-500rpm；The rotating speed of described high-speed stirred is 1200-1500rpm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610341114.1A CN105949649B (en) | 2016-05-19 | 2016-05-19 | A kind of non-neighboring benzene class PVC pellets and preparation method thereof |
| PCT/CN2016/104909 WO2017197851A1 (en) | 2016-05-19 | 2016-11-07 | Phthalate-free pvc granule and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610341114.1A CN105949649B (en) | 2016-05-19 | 2016-05-19 | A kind of non-neighboring benzene class PVC pellets and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105949649A true CN105949649A (en) | 2016-09-21 |
| CN105949649B CN105949649B (en) | 2017-11-07 |
Family
ID=56910394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610341114.1A Active CN105949649B (en) | 2016-05-19 | 2016-05-19 | A kind of non-neighboring benzene class PVC pellets and preparation method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105949649B (en) |
| WO (1) | WO2017197851A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017197851A1 (en) * | 2016-05-19 | 2017-11-23 | 江苏大海塑料股份有限公司 | Phthalate-free pvc granule and manufacturing method thereof |
| CN110540721A (en) * | 2019-09-24 | 2019-12-06 | 邰国芳 | Oil-resistant high-flame-retardant high-performance fog fabric and preparation method thereof |
| CN112457603A (en) * | 2020-09-27 | 2021-03-09 | 鹰潭荣嘉集团医疗器械实业有限公司 | Non-o-benzene medical PVC (polyvinyl chloride) particles and preparation method thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10530770B2 (en) | 2017-06-28 | 2020-01-07 | International Business Machines Corporation | Pressure-based authentication |
| CN114133682A (en) * | 2021-12-09 | 2022-03-04 | 东莞庆泰电线电缆有限公司 | High-flame-retardance TOTM-free PVC rubber material for cable outer covering and preparation method thereof |
| CN115612226A (en) * | 2022-09-29 | 2023-01-17 | 云阳县优多科技有限公司 | Formula and manufacturing method of PVC tableware |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935429A (en) * | 2010-09-25 | 2011-01-05 | 浙江港龙新材料有限公司 | Rear projection screen |
| CN202117540U (en) * | 2011-05-27 | 2012-01-18 | 姜冬屏 | Shading slat for indoor louver |
| CN102532747A (en) * | 2010-12-27 | 2012-07-04 | 佛山市天安塑料有限公司 | Polyvinyl chloride decoration material and preparation method thereof |
| CN102898755A (en) * | 2012-11-15 | 2013-01-30 | 天津市天塑科技集团有限公司第四塑料制品厂 | Matting resin modified polyvinyl chloride (PVC) matt film |
| CN105061929A (en) * | 2015-08-05 | 2015-11-18 | 江苏亚邦天龙医用新材料有限公司 | Non-phthalate medical PVC pellet |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950000989B1 (en) * | 1991-07-10 | 1995-02-06 | 재단법인한국화학연구소 | Polyvinyl chloride compositions for medical use |
| CN101899188A (en) * | 2010-08-31 | 2010-12-01 | 威海洁瑞医用制品有限公司 | Medical PVC granular material |
| CN102020815B (en) * | 2011-01-12 | 2012-07-04 | 成都市新津事丰医疗器械有限公司 | Delustring medical soft PVC modified material with low temperature resistance and low DOP precipitation |
| CN105949649B (en) * | 2016-05-19 | 2017-11-07 | 江苏大海塑料股份有限公司 | A kind of non-neighboring benzene class PVC pellets and preparation method thereof |
-
2016
- 2016-05-19 CN CN201610341114.1A patent/CN105949649B/en active Active
- 2016-11-07 WO PCT/CN2016/104909 patent/WO2017197851A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935429A (en) * | 2010-09-25 | 2011-01-05 | 浙江港龙新材料有限公司 | Rear projection screen |
| CN102532747A (en) * | 2010-12-27 | 2012-07-04 | 佛山市天安塑料有限公司 | Polyvinyl chloride decoration material and preparation method thereof |
| CN202117540U (en) * | 2011-05-27 | 2012-01-18 | 姜冬屏 | Shading slat for indoor louver |
| CN102898755A (en) * | 2012-11-15 | 2013-01-30 | 天津市天塑科技集团有限公司第四塑料制品厂 | Matting resin modified polyvinyl chloride (PVC) matt film |
| CN105061929A (en) * | 2015-08-05 | 2015-11-18 | 江苏亚邦天龙医用新材料有限公司 | Non-phthalate medical PVC pellet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017197851A1 (en) * | 2016-05-19 | 2017-11-23 | 江苏大海塑料股份有限公司 | Phthalate-free pvc granule and manufacturing method thereof |
| CN110540721A (en) * | 2019-09-24 | 2019-12-06 | 邰国芳 | Oil-resistant high-flame-retardant high-performance fog fabric and preparation method thereof |
| CN112457603A (en) * | 2020-09-27 | 2021-03-09 | 鹰潭荣嘉集团医疗器械实业有限公司 | Non-o-benzene medical PVC (polyvinyl chloride) particles and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017197851A1 (en) | 2017-11-23 |
| CN105949649B (en) | 2017-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105949649A (en) | Non-phthalic PVC aggregate and preparation method thereof | |
| CN101864130B (en) | PVC plastic-wood material | |
| CN103059376B (en) | Enhanced toughening recycled polyethylene material and preparation method thereof | |
| CN102321317B (en) | High-transparent medical PVC pellet and preparation method thereof | |
| CN104231646B (en) | The preparation method of a kind of high-intensity wood plastic composite and goods | |
| CN102660089B (en) | PVC pellet composition that a kind of low volatilization is separated out and its production and use | |
| CN103740005A (en) | Production formula and process of waste PVC (polyvinyl chloride) wood-plastic composition | |
| CN104479245A (en) | Formula and preparation method of environment-friendly sectional materials | |
| CN105524368B (en) | A kind of robot cable special-purpose polychloroethylene sheath material and preparation method | |
| CN103910917A (en) | High-molecular composition used for plastic building template and its preparation method | |
| CN104387731A (en) | Modification recovery method for waste plastic | |
| CN107540920B (en) | Metallocene polyethylene composition and preparation method thereof | |
| CN102604228A (en) | Multi-functional plastic masterbatch and preparation method thereof | |
| CN103897291A (en) | PVC-U pipe fitting | |
| CN107459735B (en) | Environment-protective polychloroethylene material composition and its preparation method and application | |
| CN105566799B (en) | A kind of environment-friendly type high transparency PVC composition for being used to make medical infusion lines | |
| CN110128761A (en) | A kind of preparation method that environment-friendly and high-performance modified PVC is granulated | |
| CN106977832A (en) | Woven hose environment-friendly type high transparency PVC composition | |
| CN105542380B (en) | A kind of ABS noctilucence master batch and preparation method thereof | |
| CN102775693A (en) | Transparent polyvinyl chloride composition and its preparation method | |
| CN102453289B (en) | Light ageing resistant low-cost renewable polyvinyl chloride (PVC) foamed composite material and preparation method thereof | |
| CN102775694A (en) | Transparent toughened polyvinyl chloride composition and its preparation method | |
| CN102604207A (en) | Superfine talcum powder-polypropylene filled master batch, preparation method and device thereof | |
| CN105061929A (en) | Non-phthalate medical PVC pellet | |
| CN107698898A (en) | A kind of food is material modified and preparation method thereof with PVC |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |