CN107365460A - A kind of excellent calcium carbonate product of high filling capacity - Google Patents
A kind of excellent calcium carbonate product of high filling capacity Download PDFInfo
- Publication number
- CN107365460A CN107365460A CN201610310820.XA CN201610310820A CN107365460A CN 107365460 A CN107365460 A CN 107365460A CN 201610310820 A CN201610310820 A CN 201610310820A CN 107365460 A CN107365460 A CN 107365460A
- Authority
- CN
- China
- Prior art keywords
- calcium carbonate
- product
- high filling
- filling capacity
- certain
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides the calcium carbonate product that a kind of high filling capacity is excellent.It is characterized in that：It contains the parts by weight of calcium carbonate 100, the parts by weight of inorganic agent 3 ~ 9, certain parts by weight of plasticizer 1 ~ 3.Modified calcium carbonate produced by the present invention, its height is filled into RPVC product, while cost is reduced, the correlated performance of product can be improved；The product of the identical loading of more untreated calcium carbonate, can be significantly increased the impact strength of product, while tensile strength bending strength has also been lifted.
Description
Technical field
The present invention is a kind of excellent calcium carbonate product of high filling capacity, is mainly used in the UPVC formulas of the high filling of calcium carbonate
System.
Background technology
Calcium carbonate contains great amount of hydroxy group as a kind of polar filler of hydrophilic and oleophobic, surface, with PVC interface compatibilities compared with
Difference, and dispersive property is poor in PVC matrix.In PVC process for reduce cost it is largely calcium carbonate filled while, Yi Zao
The defects of inside into product, destroy mechanical property, especially impact strength.
The elastomers such as EVA, CPE are commonly used in the high filling UPVC formulas of existing calcium carbonate and PVC is blended, from toughness reinforcing
The angle of PVC matrix lifts the impact strength of product, but improves the interface compatibility of PVC and calcium carbonate, not only uses
Measure larger, and can decline the tensile property of product.Or surface modification, coupling agent point are carried out to calcium carbonate using coupling agent
Subchain both sides end group can chemically react respectively with calcium carbonate and polymeric matrix, and both, structure one of contact are stable to answer
Power transfer layer, so as to increase both bonding interface dynamics, improve the correlated performance of co-mixing system, but application cost is higher.
The content of the invention
It is an object of the invention to be intended to invent a kind of excellent calcium carbonate product of high filling capacity, it is handled through inorganic agent
The interface compatibility and dispersiveness with PVC can be improved afterwards, it is largely filled in UPVC article systems, can both keep UPVC original
Premium properties, and compared with filling the UPVC products of the untreated calcium carbonate of equal amount, the impact strength of product is substantially improved,
While to system toughness reinforcing, the intensity of product is set also to have been lifted.Its implementation is as follows：
The present invention concrete composition formula be（In parts by weight）：
The parts by weight of calcium carbonate 100；
The parts by weight of inorganic agent 3 ~ 9；
The parts by weight of stabilizer 1 ~ 3；
The calcium carbonate（CaCO3）For one of following or its compound：Lightweight CaCO3, lightweight activity CaCO3, heavy CaCO3
, heavy activity CaCO3, colloid CaCO3, preferably logical Shan Zhongyuangai industry Co., Ltd heavy calcium powder.
The inorganic agent is that with certain aldehyde aldol reaction product occurs for certain alcohol, and its molecular structure includes three kinds and above pole
The different functional group of property；It is white or slightly yellow solid particle that its is apparent, and proportion is small, not soluble in water, dissolves in alcohols, alkyl halide
Class；Heat decomposition temperature is more than 250 DEG C, and insulating properties is good, alkali resistance is strong；It is intermolecular to form hydrogen bond, there is good coalescence
Performance；Hexatomic ring in molecule be present, there is certain steric effect；High glutinous type and low glutinous type can be divided into according to its molecular size range.
The inorganic agent model is one of following or certain ratio compound：The glutinous type of height, low glutinous type.
The plasticizer is certain sour ester of adjacent benzene, can effectively increase the intermolecular distance of system inorganic agent, reduce its glass
Change transition temperature, improve the locomitivity of inorganic agent strand.
3 ~ 9 parts of the addition of the inorganic agent, preferable 5 ~ 7 parts, the addition of the plasticizer is 1 ~ 3 part, can be obtained
Obtain the excellent calcium carbonate product of high filling capacity.
The present invention production technology be：Inorganic agent is added in homogenizer with calcium carbonate and mixes 5 ~ 10 minutes, temperature
Control is at 45 ~ 50 DEG C；After first step mixing terminates, the plasticizer is added, mixed at high speed discharges for 5 ~ 10 minutes, and control temperature exists
35~40℃。
The beneficial effects of the invention are as follows：The modified calcium carbonate of 50 ~ 90 parts of addition, is reducing the cost of raw material simultaneously, is making
Product obtains excellent shock resistance, and the tensile strength of product, bending strength do not decline.
Embodiment
To prepare the high filling UPVC sheet materials of calcium carbonate, as embodiment, the present invention will be further described below：
Embodiment 1
UPVC sheet materials are prepared by twin-roll plastic mixing mill and flat board vulcameter, wherein instrument is SK-160B type twin-roll plastic mixing mills
It is as follows with preparation technology with XQLB type compression molding instrument, its formula：
（1）The present embodiment is blank control group, and its formula is：100 parts of PVC-SG5 resins, untreated 70 parts of calcium carbonate, PE waxes 1
Part, 1 part of stearic acid, 4 parts of compound stabilizer.
（2）Mixed at high speed is carried out to UPVC formula systems according to above-mentioned implementation formula, mixes 5 ~ 10 minutes and discharges.
（3）By step（2）Well mixed material is used for twin-roll plastic mixing mill, and triangle bag is kneaded 8 minutes, resulting sheet is put
In 4mm thickness moulds, the compacting for UPVC sheet materials.
（4）The parameter of UPVC sheet materials compacting：
Hot compression parameterses are 175 DEG C of upper plate, 175 DEG C, pressure 15MPa of lower plate, suppress and are deflated three times early stage, hot pressing 15 divides
Clock.
Cold pressing parameter is upper and lower plates room temperature, pressure 5MPa, is cold-pressed to room temperature.
（5）After product is placed into 24h, according to dynamics measurement standard sample bar size, prepare impact using omnipotent sanction model machine, draw
Stretch, bend batten and be used for Mechanics Performance Testing.
The test result of 1 embodiment of table 1
Embodiment 2
Weigh 70 parts by weight（Weight, similarly hereinafter）Calcium carbonate product of the present invention, untreated calcium carbonate in alternative embodiment, is formulated other
Component is constant.Batch mixing, mill, molding are carried out according to above-mentioned sheet material preparation technology, after product is placed into 24h, according to dynamics measurement
Standard sample bar size, it is used for Mechanics Performance Testing using omnipotent sanction model machine preparation impact, stretching, bending batten.
The test result of 2 embodiment of table 2
Embodiment 3
Weigh 75 parts by weight（Weight, similarly hereinafter）Calcium carbonate product of the present invention, untreated calcium carbonate in alternative embodiment, is formulated other
Component is constant.Batch mixing, mill, molding are carried out according to above-mentioned sheet material preparation technology, after product is placed into 24h, according to dynamics measurement
Standard sample bar size, it is used for Mechanics Performance Testing using omnipotent sanction model machine preparation impact, stretching, bending batten.
The test result of 3 embodiment of table 3
Embodiment 4
Weigh 80 parts by weight（Weight, similarly hereinafter）Calcium carbonate product of the present invention, untreated calcium carbonate in alternative embodiment, is formulated other
Component is constant.Batch mixing, mill, molding are carried out according to above-mentioned sheet material preparation technology, after product is placed into 24h, according to dynamics measurement
Standard sample bar size, it is used for Mechanics Performance Testing using omnipotent sanction model machine preparation impact, stretching, bending batten.
The test result of 4 embodiment of table 4
Comparing embodiment 1 and 2, keeps the calcium carbonate-filled amount of identical, and the product for filling calcium carbonate of the present invention relatively fills common carbon
The product of sour calcium, its impact strength lifting 247%, and its tensile strength and bending strength are also necessarily lifted.Comparing embodiment 2,
3rd, 4, it is known that with the increase of the calcium carbonate-filled amount of the present invention, the impact property of product declines more obvious, its tensile property and curved
Qu Xingneng is declined slightly.Comparing embodiment 1,3,4, when the loading of calcium carbonate of the present invention is higher, relatively fill ordinary calcium carbonate
Product, remain to obtain mechanical property lifting.
Claims (6)
- A kind of 1. excellent calcium carbonate product of high filling capacity, it is characterised in that：The formula of the product is：The weight of calcium carbonate 100 Measure part, the parts by weight of inorganic agent 3 ~ 9, certain parts by weight of plasticizer 1 ~ 3.
- A kind of 2. excellent calcium carbonate product of high filling capacity according to claim 1, it is characterised in that：The calcium carbonate is One of following or its compound：Hard calcium carbonate, precipitated calcium carbonate.
- A kind of 3. excellent calcium carbonate product of high filling capacity according to claim 1, it is characterised in that：The calcium carbonate Mesh number is one of following or its compound：800 mesh, 1250 mesh, 3000 mesh.
- A kind of 4. excellent calcium carbonate product of high filling capacity according to claim 1, it is characterised in that：The inorganic agent is With certain aldehyde aldol reaction product occurs for certain alcohol, and its molecular structure includes the different functional group of three kinds and above polarity, wherein Including hydroxyl calcium carbonate surface OH Hydrogenbonds point and Ca can be provided2+Coordination, electrostatic interaction point；Its is apparent for white or micro- Huang Color solid particle, proportion is small, not soluble in water, dissolves in alcohols, halo alkanes；Heat decomposition temperature is more than 250 DEG C, and insulating properties is good Well, alkali resistance is strong；It is intermolecular to form hydrogen bond, there is good coalescence performance；Hexatomic ring in molecule be present, there is certain position Inhibition effect；High glutinous type and low glutinous type can be divided into according to its molecular size range.
- A kind of 5. excellent calcium carbonate product of high filling capacity according to claim 1, it is characterised in that：The plasticizer is Certain sour ester of adjacent benzene, can effectively increase the intermolecular distance of system inorganic agent, reduce its glass transition temperature, improve inorganic agent The locomitivity of strand.
- A kind of 6. excellent calcium carbonate product of high filling capacity according to claim 1, it is characterised in that：With 3 ~ 9% processing Agent, the calcium carbonate of 1 ~ 3% certain plasticizer processing, its height is filled（50 ~ 90 parts）It is more untreated into RPVC product The identical loading of calcium carbonate product, the impact strength of product can be significantly increased, while tensile strength bending strength is also had Lifted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610310820.XA CN107365460A (en) | 2016-05-11 | 2016-05-11 | A kind of excellent calcium carbonate product of high filling capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610310820.XA CN107365460A (en) | 2016-05-11 | 2016-05-11 | A kind of excellent calcium carbonate product of high filling capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107365460A true CN107365460A (en) | 2017-11-21 |
Family
ID=60303929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610310820.XA Pending CN107365460A (en) | 2016-05-11 | 2016-05-11 | A kind of excellent calcium carbonate product of high filling capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107365460A (en) |
-
2016
- 2016-05-11 CN CN201610310820.XA patent/CN107365460A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE102012010112B4 (en) | A rubber compound for tire treads and pneumatic tires, use of the rubber composition for producing a pneumatic tire, and product obtained by vulcanizing the rubber composition | |
| CN102796294B (en) | Preparation method of calcium carbonate modified butylbenzene/natural rubber composite material | |
| CN109467770B (en) | Rubber composite material using cardanol glycidyl ether modified white carbon black and preparation method thereof | |
| DE102012100321B4 (en) | A process for producing a rubber composition, rubber composition, vulcanized product and use of a rubber composition in an air-filled tire | |
| EP3323841A1 (en) | White carbon black/poly(itaconate-isoprene-glycidyl methacrylate) bio-based elastomer composite material free of silane coupling agent, and preparation method therefor | |
| CN105175930A (en) | Method for adding filling into polymeric material | |
| CN113429806A (en) | Preparation method of high-dispersion modified white carbon black for rubber filler | |
| CN104031419A (en) | High-density modified calcium carbonate and preparation method thereof | |
| KR101305441B1 (en) | Method for manufacturing of Starch/rubber Latex Compound Using Coupling reagent | |
| CN104292796A (en) | Application of zinc isoocatanoate in reduction on agglomeration of white carbon black, white carbon black dispersing agent containing zinc isoocatanoate and preparation method thereof | |
| CN108912555A (en) | A kind of preparation method of high-weatherability PVC wallboard | |
| CN103030838A (en) | Silane coupling agent and preparation thereof | |
| CN107365460A (en) | A kind of excellent calcium carbonate product of high filling capacity | |
| DE112015003646T5 (en) | Rubber composition and pneumatic tire using same | |
| CN110835110A (en) | Preparation method of precipitated hydrated silicon dioxide | |
| CN103524793B (en) | White carbon black high-activity dispersing agent composition and preparation method thereof | |
| CN106317456A (en) | Method for preparing rubber master batch from lignin-dispersed calcium sulfate | |
| KR101132104B1 (en) | A eco-friendly rubber blending composition, rubber compound and a preparation method thereof | |
| CN107572965A (en) | A kind of fire-proof board and preparation method thereof | |
| CN102952378B (en) | Modified nano-clay dinner plate material and processing method thereof | |
| CN112920625A (en) | Modified carbon black and preparation method thereof | |
| CN104031420A (en) | Modified calcium carbonate with wide applicable strength and preparation method thereof | |
| CN115947986B (en) | HDPE car callus on sole of easily finalizing design | |
| CN105384968B (en) | The surface treatment method of rubber filling nano-calcium carbonate | |
| CN114085628B (en) | Composite filling material and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171121 |