CN107987425A - It is a kind of improve it is polychloroethylene blended when interface bond strength method - Google Patents
It is a kind of improve it is polychloroethylene blended when interface bond strength method Download PDFInfo
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- CN107987425A CN107987425A CN201711377428.8A CN201711377428A CN107987425A CN 107987425 A CN107987425 A CN 107987425A CN 201711377428 A CN201711377428 A CN 201711377428A CN 107987425 A CN107987425 A CN 107987425A
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- soybean oil
- epoxidized soybean
- stirring
- bond strength
- pretreatment
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of method of raising interface bond strength when polychloroethylene blended, include the following steps：By polyvinyl chloride, butadiene-styrene rubber, kaolin, diatomite, talcum powder, vermiculite power, hard (china) clay, butyl titanate, tert-butyl hydroperoxide, zinc oxide, magnesia, oxidized polyethylene wax, tributyl 2-acetylcitrate, antioxidant high-temperature stirring, cooling continues stirring and obtains premix；Pretreatment epoxidized soybean oil high-temperature stirring is added into premix, cooling, is sent into mill slice in two-roll mill, compressing to obtain igelite.Epoxidized soybean oil is pre-processed to prepare using following technique：Epoxidized soybean oil, methacrylic acid are uniformly mixed, add triphenylphosphine, heating stirring, cooling, adds nbr carboxyl terminal and stir evenly, and ultraviolet light cures to obtain pretreatment epoxidized soybean oil.The present invention is easy to operate, improves and scattered, storeroom interface bond strength height is blended in igelite.
Description
Technical field
The present invention relates to polyvinyl chloride technical field, more particularly to a kind of interface bond strength when improving polychloroethylene blended
Method.
Background technology
Although PVC material intensity is higher but the problem of generally existing brittleness is larger, its application is have impact on, to make up it not
Foot, usually adds toughener to greatly improve the toughness of PVC material in formula, but the use of toughener can reduce the strong of material
Degree, vicat softening temperature, to solve the problems, such as this, nanometer particle is applied in PVC material, but since nanometer particle is easily rolled into a ball
It is poly-, again there are the problem of poor dispersion and poor interface cohesion when polymer is blended, so as to have impact on the activeness and quietness of PVC material.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of interface cohesion when improving polychloroethylene blended
The method of intensity, it is easy to operate, improve and scattered, storeroom interface bond strength height, gained polychlorostyrene are blended in igelite
Vinyl plastics good fluidity, density is big, and heat endurance is good, and crosslinking degree is high, effectively increases intensity and vicat softening temperature.
It is proposed by the present invention it is a kind of improve it is polychloroethylene blended when interface bond strength method, include the following steps：
S1, by polyvinyl chloride, butadiene-styrene rubber, kaolin, diatomite, talcum powder, vermiculite power, hard (china) clay, four fourth of metatitanic acid
Ester, tert-butyl hydroperoxide, zinc oxide, magnesia, oxidized polyethylene wax, tributyl 2-acetylcitrate, antioxidant high-temperature stirring,
Cooling continues stirring and obtains premix；
S2, add pretreatment epoxidized soybean oil high-temperature stirring into premix, and cooling, is sent into mill in two-roll mill and goes out
Piece, it is compressing to obtain igelite.
Preferably, in S1, polyvinyl chloride, butadiene-styrene rubber, kaolin, diatomite, talcum powder, vermiculite power, hard (china) clay, titanium
Sour four butyl esters, tert-butyl hydroperoxide, zinc oxide, magnesia, oxidized polyethylene wax, tributyl 2-acetylcitrate, antioxidant
Weight ratio is 120-140：30-50：15-25：10-20：6-12：6-12：5-9：1-2：3-5：1-2：0.8-1.6：4-8：4-8：
4-8。
Preferably, in S1, by polyvinyl chloride, butadiene-styrene rubber, kaolin, diatomite, talcum powder, vermiculite power, hard (china) clay,
Butyl titanate, tert-butyl hydroperoxide, zinc oxide, magnesia, oxidized polyethylene wax, tributyl 2-acetylcitrate, antioxidant
10-20min, mixing speed 2000-2400r/min are stirred, whipping temp is 125-135 DEG C, is cooled to 55-65 DEG C and continues to stir
20-40min is mixed, obtains premix.
Preferably, in S2, the weight ratio of premix and pretreatment epoxidized soybean oil is 100-130：4-8.
Preferably, in S2, pretreatment epoxidized soybean oil stirring 10-20min is added into premix, mixing speed is
1000-1800r/min, whipping temp are 120-140 DEG C, are cooled to 45-55 DEG C, feeding temperature is 190-200 DEG C of double roller mill
Mill slice in machine, it is compressing to obtain igelite.
Preferably, in S2, pretreatment epoxidized soybean oil is prepared using following technique：By epoxidized soybean oil, methacrylic acid
It is uniformly mixed, adds triphenylphosphine, heating stirring, cooling, adds nbr carboxyl terminal and stir evenly, ultraviolet light cures to obtain
Pre-process epoxidized soybean oil.
Preferably, in the preparation process of the pretreatment epoxidized soybean oil of S2, epoxidized soybean oil, methacrylic acid, triphenyl
Phosphine, the weight ratio of nbr carboxyl terminal are 6-12：16-22：0.04-0.08：1-2.
Preferably, in S2, pretreatment epoxidized soybean oil is prepared using following technique：By epoxidized soybean oil, methacrylic acid
It is uniformly mixed, adds triphenylphosphine, is warming up to 115-125 DEG C of stirring 40-60min, is cooled to 55-65 DEG C, adds end carboxyl fourth
Nitrile rubber stirs evenly, and ultraviolet light cures to obtain pretreatment epoxidized soybean oil.
The apparent density of gained igelite of the invention is high, and dry good fluidity, easily plasticizing, melt rheological property is good, and heat is steady
Qualitative height, has larger industrializing implementation prospect.
In the pretreatment epoxidized soybean oil of the present invention, using epoxidized soybean oil as raw material, add under the cooperation of methacrylic acid
Enter nbr carboxyl terminal combination, can not only improve the toughening effect of epoxidized soybean oil, but also make to contain substantial amounts of double bond in product,
It is active high, it on the one hand can effectively be combined with polyvinyl chloride, butadiene-styrene rubber, form more cross-linked structures, reinforcing material
Intensity and vicat softening temperature, on the other hand can promote kaolin, diatomite, talcum powder, vermiculite power, hard (china) clay in polychlorostyrene second
Disperse in alkene, mutual degree of scatter is high, and good fluidity, density is big, and heat endurance is good, and storeroom interface bond strength is high, can
The additive amount of polyvinyl chloride is effectively reduced, reduces cost, is more advantageous to improving the mechanical property of polyvinyl chloride, while there is operation
Simply, industrialized feature is easily realized.
Polychloroethylene pipes obtained by the present invention are tested for the property：Its Mohs' hardness is 20 degree, and breaking strength is more than
17Mpa, elongation at break are more than 255%, and compression ratio is less than 30%；450 DEG C of hot winds bake 2h, its compressive resistance is 240 degree, is resisted
It is 65 degree to roll over intensity, wear extent 2.2g/cm3。
Embodiment
In the following, technical scheme is described in detail by specific embodiment.
Embodiment 1
It is a kind of improve it is polychloroethylene blended when interface bond strength method, include the following steps：
S1, by 120kg polyvinyl chloride, 50kg butadiene-styrene rubber, 15kg kaolin, 20kg diatomite, 6kg talcum powder, 12kg
Vermiculite power, 5kg hard (china) clays, 2kg butyl titanates, 3kg tert-butyl hydroperoxide, 2kg zinc oxide, 0.8kg magnesia, 8kg
Oxidized polyethylene wax, 4kg tributyl 2-acetylcitrates, 8kg antioxidants stirring 10min, mixing speed 2400r/min, stirring
Temperature is 125 DEG C, is cooled to 65 DEG C and continues to stir 20min, obtains premix；
S2, add 4kg pretreatment epoxidized soybean oil stirrings 20min, mixing speed 1000r/ into 130kg premixes
Min, whipping temp are 140 DEG C, are cooled to 45 DEG C, are sent into temperature as mill slice in 200 DEG C of two-roll mills, compressing
To igelite.
Epoxidized soybean oil is pre-processed to prepare using following technique：6kg epoxidized soybean oils, 22kg methacrylic acids are mixed equal
It is even, 0.04kg triphenylphosphines are added, 125 DEG C of stirring 40min is warming up to, is cooled to 65 DEG C, add 1kg nbr carboxyl terminals and stir
Mix uniformly, ultraviolet light cures to obtain pretreatment epoxidized soybean oil.
Embodiment 2
It is a kind of improve it is polychloroethylene blended when interface bond strength method, include the following steps：
S1, by 140kg polyvinyl chloride, 30kg butadiene-styrene rubber, 25kg kaolin, 10kg diatomite, 12kg talcum powder, 6kg
Vermiculite power, 9kg hard (china) clays, 1kg butyl titanates, 5kg tert-butyl hydroperoxide, 1kg zinc oxide, 1.6kg magnesia, 4kg
Oxidized polyethylene wax, 8kg tributyl 2-acetylcitrates, 4kg antioxidants stirring 20min, mixing speed 2000r/min, stirring
Temperature is 135 DEG C, is cooled to 55 DEG C and continues to stir 40min, obtains premix；
S2, add 8kg pretreatment epoxidized soybean oil stirrings 10min, mixing speed 1800r/ into 100kg premixes
Min, whipping temp are 120 DEG C, are cooled to 55 DEG C, are sent into temperature as mill slice in 190 DEG C of two-roll mills, compressing
To igelite.
Epoxidized soybean oil is pre-processed to prepare using following technique：12kg epoxidized soybean oils, 16kg methacrylic acids are mixed
Uniformly, 0.08kg triphenylphosphines are added, 115 DEG C of stirring 60min is warming up to, is cooled to 55 DEG C, adds 2kg nbr carboxyl terminals
Stir evenly, ultraviolet light cures to obtain pretreatment epoxidized soybean oil.
Embodiment 3
It is a kind of improve it is polychloroethylene blended when interface bond strength method, include the following steps：
S1, by 125kg polyvinyl chloride, 45kg butadiene-styrene rubber, 18kg kaolin, 18kg diatomite, 8kg talcum powder, 10kg
Vermiculite power, 6kg hard (china) clays, 1.8kg butyl titanates, 3.5kg tert-butyl hydroperoxide, 1.7kg zinc oxide, 1kg magnesia,
7kg oxidized polyethylene wax, 5kg tributyl 2-acetylcitrates, 7kg antioxidants stirring 12min, mixing speed 2300r/min, is stirred
Temperature is mixed as 128 DEG C, 62 DEG C is cooled to and continues to stir 25min, obtain premix；
S2, add 5kg pretreatment epoxidized soybean oil stirrings 18min, mixing speed 1200r/ into 120kg premixes
Min, whipping temp are 135 DEG C, are cooled to 48 DEG C, are sent into temperature as mill slice in 198 DEG C of two-roll mills, compressing
To igelite.
Epoxidized soybean oil is pre-processed to prepare using following technique：8kg epoxidized soybean oils, 20kg methacrylic acids are mixed equal
It is even, 0.05kg triphenylphosphines are added, 122 DEG C of stirring 45min is warming up to, is cooled to 62 DEG C, adds 1.2kg nbr carboxyl terminals
Stir evenly, ultraviolet light cures to obtain pretreatment epoxidized soybean oil.
Embodiment 4
It is a kind of improve it is polychloroethylene blended when interface bond strength method, include the following steps：
S1, by 135kg polyvinyl chloride, 35kg butadiene-styrene rubber, 22kg kaolin, 12kg diatomite, 10kg talcum powder, 8kg
Vermiculite power, 8kg hard (china) clays, 1.2kg butyl titanates, 4.5kg tert-butyl hydroperoxide, 1.3kg zinc oxide, 1.4kg oxidations
Magnesium, 5kg oxidized polyethylene wax, 7kg tributyl 2-acetylcitrates, the stirring of 5kg antioxidants 18min, mixing speed 2100r/
Min, whipping temp are 132 DEG C, are cooled to 58 DEG C and continue to stir 35min, obtain premix；
S2, add 7kg pretreatment epoxidized soybean oil stirrings 12min, mixing speed 1600r/ into 110kg premixes
Min, whipping temp are 125 DEG C, are cooled to 52 DEG C, are sent into temperature as mill slice in 192 DEG C of two-roll mills, compressing
To igelite.
Epoxidized soybean oil is pre-processed to prepare using following technique：10kg epoxidized soybean oils, 18kg methacrylic acids are mixed
Uniformly, 0.07kg triphenylphosphines are added, 118 DEG C of stirring 55min is warming up to, is cooled to 58 DEG C, adds 1.8kg end carboxyl butyronitrile rubbers
Glue stirs evenly, and ultraviolet light cures to obtain pretreatment epoxidized soybean oil.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. it is a kind of improve it is polychloroethylene blended when interface bond strength method, it is characterised in that include the following steps：
S1, by polyvinyl chloride, butadiene-styrene rubber, kaolin, diatomite, talcum powder, vermiculite power, hard (china) clay, butyl titanate, uncle
Butylhydroperoxide, zinc oxide, magnesia, oxidized polyethylene wax, tributyl 2-acetylcitrate, antioxidant high-temperature stirring, cooling
Continue stirring and obtain premix；
S2, add pretreatment epoxidized soybean oil high-temperature stirring into premix, and cooling, is sent into mill slice in two-roll mill,
It is compressing to obtain igelite.
2. the method for interface bond strength when improving polychloroethylene blended according to claim 1, it is characterised in that in S1,
Polyvinyl chloride, butadiene-styrene rubber, kaolin, diatomite, talcum powder, vermiculite power, hard (china) clay, butyl titanate, t-butyl peroxy
It is 120-140 to change hydrogen, zinc oxide, magnesia, oxidized polyethylene wax, tributyl 2-acetylcitrate, the weight ratio of antioxidant：30-
50：15-25：10-20：6-12：6-12：5-9：1-2：3-5：1-2：0.8-1.6：4-8：4-8：4-8.
3. it is according to claim 1 or claim 2 improve it is polychloroethylene blended when interface bond strength method, it is characterised in that S1
In, by polyvinyl chloride, butadiene-styrene rubber, kaolin, diatomite, talcum powder, vermiculite power, hard (china) clay, butyl titanate, the tert-butyl group
Hydrogen peroxide, zinc oxide, magnesia, oxidized polyethylene wax, tributyl 2-acetylcitrate, antioxidant stirring 10-20min, stirring
Speed is 2000-2400r/min, and whipping temp is 125-135 DEG C, is cooled to 55-65 DEG C and continues to stir 20-40min, obtains pre-
Batch mixing.
4. the method for interface bond strength, its feature exist when improving polychloroethylene blended according to any one of claim 1-3 is described
In in S2, the weight ratio of premix and pretreatment epoxidized soybean oil is 100-130：4-8.
5. the method for interface bond strength, its feature exist when improving polychloroethylene blended according to any one of claim 1-4 is described
In, in S2, pretreatment epoxidized soybean oil stirring 10-20min, mixing speed 1000-1800r/min are added into premix,
Whipping temp is 120-140 DEG C, is cooled to 45-55 DEG C, is sent into temperature as mill slice in 190-200 DEG C of two-roll mill, pressure
The type of being made obtains igelite.
6. the method for interface bond strength, its feature exist when improving polychloroethylene blended according to any one of claim 1-5 is described
In in S2, pretreatment epoxidized soybean oil is prepared using following technique：Epoxidized soybean oil, methacrylic acid are uniformly mixed, added
Triphenylphosphine, heating stirring, cooling, adds nbr carboxyl terminal and stirs evenly, and it is big that ultraviolet light cures to obtain pretreatment epoxy
Soya-bean oil.
7. the method for interface bond strength, its feature exist when improving polychloroethylene blended according to any one of claim 1-6 is described
In, in the preparation process of the pretreatment epoxidized soybean oil of S2, epoxidized soybean oil, methacrylic acid, triphenylphosphine, end carboxyl butyronitrile
The weight ratio of rubber is 6-12：16-22：0.04-0.08：1-2.
8. the method for interface bond strength, its feature exist when improving polychloroethylene blended according to any one of claim 1-7 is described
In in S2, pretreatment epoxidized soybean oil is prepared using following technique：Epoxidized soybean oil, methacrylic acid are uniformly mixed, added
Triphenylphosphine, is warming up to 115-125 DEG C of stirring 40-60min, is cooled to 55-65 DEG C, it is equal to add nbr carboxyl terminal stirring
Even, ultraviolet light cures to obtain pretreatment epoxidized soybean oil.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377428.8A CN107987425A (en) | 2017-12-19 | 2017-12-19 | It is a kind of improve it is polychloroethylene blended when interface bond strength method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711377428.8A CN107987425A (en) | 2017-12-19 | 2017-12-19 | It is a kind of improve it is polychloroethylene blended when interface bond strength method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6043318A (en) * | 1996-09-27 | 2000-03-28 | Hardiman; Christopher John | Nitrile rubber/polyvinyl chloride blends |
| CN102850696A (en) * | 2012-09-20 | 2013-01-02 | 吴江市天源塑胶有限公司 | High-toughness polyvinyl chloride tube |
| CN105440483A (en) * | 2015-12-10 | 2016-03-30 | 安徽宁国市高新管业有限公司 | High-toughness corrosion-resistant PVC pipe |
-
2017
- 2017-12-19 CN CN201711377428.8A patent/CN107987425A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6043318A (en) * | 1996-09-27 | 2000-03-28 | Hardiman; Christopher John | Nitrile rubber/polyvinyl chloride blends |
| CN102850696A (en) * | 2012-09-20 | 2013-01-02 | 吴江市天源塑胶有限公司 | High-toughness polyvinyl chloride tube |
| CN105440483A (en) * | 2015-12-10 | 2016-03-30 | 安徽宁国市高新管业有限公司 | High-toughness corrosion-resistant PVC pipe |
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Application publication date: 20180504 |