CN109400972A - A kind of high resiliency pet tennis and preparation method thereof based on rubber material - Google Patents
A kind of high resiliency pet tennis and preparation method thereof based on rubber material Download PDFInfo
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- CN109400972A CN109400972A CN201811114034.8A CN201811114034A CN109400972A CN 109400972 A CN109400972 A CN 109400972A CN 201811114034 A CN201811114034 A CN 201811114034A CN 109400972 A CN109400972 A CN 109400972A
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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
- C08L7/00—Compositions of natural rubber
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
It is disclosed by the invention to belong to technical field of rubber preparation, specially a kind of high resiliency pet tennis and preparation method thereof based on rubber material, by weight, the high resiliency pet tennis based on rubber material includes following constituent: natural rubber, butadiene-styrene rubber, butadiene rubber, tetramethylthiuram disulfide, dibenzothiazyl disulfide, stearic acid, sulphur, precipitated calcium carbonate, dibutyl phthalate, mercaptopropyl trimethoxysilane, metatitanic acid tetraisopropyl titanate, age resister, inorganic antiseptic, the New Scheme is by the way that inorganic antiseptic and age resister are added into raw material in production, substantially prolong the service life of ball for pet playing, and will not occur surface layer easily when in use and fall generation with sharp aroma, unusual health environment-friendly.
Description
Technical field
The present invention relates to technical field of rubber preparation, specially a kind of high resiliency pet tennis based on rubber material and its
Preparation method.
Background technique
Rubber product has many derived products, and with the expansion and prosperity of domestic pet market, ball for pet playing is also increasingly
The first choice for being bought pet toy by people can bring dog dog more enjoyment because of its included elastic characteristic, but existing
Rubber ball for pet playing will appear rubber layer aging after by prolonged use, elasticity becomes the phenomenon that declining, influence the joy of ball for pet playing
After happy use, and aging rear surface is coarse ugly, and has unpleasant sharp aroma, has seriously affected the intuitive of people and pet
Experience, we have proposed a kind of thus high resiliency pet tennis and preparation method thereof based on rubber material.
Summary of the invention
The purpose of the present invention is to provide a kind of high resiliency pet tennis and preparation method thereof based on rubber material, with solution
Existing rubber ball for pet playing certainly mentioned above in the background art will appear rubber layer aging, elasticity after by prolonged use
The phenomenon that change declines, after the amusement use for influencing ball for pet playing, and aging rear surface is coarse ugly, and has unpleasant sharp aroma,
The problem of having seriously affected the direct feel of people and pet.
To achieve the above object, the invention provides the following technical scheme: a kind of high resiliency pet net based on rubber material
Ball, by weight, being somebody's turn to do the high resiliency pet tennis based on rubber material includes following constituent:
Natural rubber: 140-160 parts, butadiene-styrene rubber: 28-32 parts, butadiene rubber: 10-20 parts, tetramethylthiuram disulfide:
1.5-2.5 parts, dibenzothiazyl disulfide: 1.5-2.5 parts, stearic acid: 1-1.5 parts, sulphur: 2-2.5 parts, precipitated calcium carbonate:
350-370 parts, dibutyl phthalate: 1.5-2.5 parts, mercaptopropyl trimethoxysilane: 1.5-2.5 parts, metatitanic acid metatitanic acid four
Isopropyl ester: 0.5-1.5 parts, age resister: 2-4 parts, inorganic antiseptic: 1-3 parts.
Preferably, the inorganic antiseptic by magnesium aluminate, magnesium titanate, magnesium tungstate by than for (1-3): (1-3): (1-3)
It mixes.
Preferably, the age resister be phosphorous acid -4- nonyl phenyl double tridecyl ester, four (2,4- di-tert-butylphenols) -4,
It is one or more in 4- xenyl diphosphites, bis- (2,4- di-tert-butyl-phenyl) phenyl phosphites to press (1-3):
(1-3): the scalemic thereof of (n-n+3).
A kind of preparation method of the high resiliency pet tennis based on rubber material, should the high resiliency pet based on rubber material
The preparation method of tennis includes the following steps:
S1: materials: natural rubber: 140-160 parts, butadiene-styrene rubber: 28-32 parts, butadiene rubber: 10-20 parts, tetramethyl
Thiuram: 1.5-2.5 parts, dibenzothiazyl disulfide: 1.5-2.5 parts, stearic acid: 1-1.5 parts, sulphur: 2-2.5 parts, lightweight
Calcium carbonate: 350-370 parts, dibutyl phthalate: 1.5-2.5 parts, mercaptopropyl trimethoxysilane: 1.5-2.5 parts, metatitanic acid
Tetraisopropyl titanate: 0.5-1.5 parts, age resister: 2-4 parts, inorganic antiseptic: 1-3 parts；
S2: plasticate: by after mixed processing sizing material inject plasticator, 80-100 DEG C of plasticator temperature, 30-40 DEG C of roller temperature,
Time 15-20min obtains sizing material of plasticating, and places 15-20 hours after discharging.
S3: be kneaded: by gained plasticate sizing material injection rubber mixing machine in be kneaded, melting temperature control 50-100 DEG C it
Between, time 30min is placed 15-20 hours after discharging；
S4: vulcanization: the sizing material after mixing is injected into vulcanizer, curing temperature control is at 100-120 DEG C, sulfide stress 0.3-
0.5MPA, vulcanization time 50-60min；
S5: injection molding: the sizing material after vulcanization is injected into molding machine, moulds molding.
Preferably, vulcanizer is flat hydraulic pressure vulcanizing machine in the step S4.
Compared with prior art, the beneficial effects of the present invention are: the New Scheme in production into raw material by being added
Inorganic antiseptic and age resister substantially prolong the service life of ball for pet playing, and surface layer will not occur easily when in use and fall
Fall the generation with sharp aroma, unusual health environment-friendly.
Detailed description of the invention
Fig. 1 is the method for the present invention flow diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of high resiliency pet tennis technical solution based on rubber material, and by weight, this is based on
The high resiliency pet tennis of rubber material includes following constituent:
Natural rubber: 140-160 parts, butadiene-styrene rubber: 28-32 parts, butadiene rubber: 10-20 parts, tetramethylthiuram disulfide:
1.5-2.5 parts, dibenzothiazyl disulfide: 1.5-2.5 parts, stearic acid: 1-1.5 parts, sulphur: 2-2.5 parts, precipitated calcium carbonate:
350-370 parts, dibutyl phthalate: 1.5-2.5 parts, mercaptopropyl trimethoxysilane: 1.5-2.5 parts, metatitanic acid metatitanic acid four
Isopropyl ester: 0.5-1.5 parts, age resister: 2-4 parts, inorganic antiseptic: 1-3 parts.
Referring to Fig. 1, the preparation method of the present invention also provides a kind of high resiliency pet tennis based on rubber material:
Embodiment 1
The preparation method of the high resiliency pet tennis based on rubber material includes the following steps:
S1: materials: natural rubber: 150 parts, butadiene-styrene rubber: 30 parts, butadiene rubber: 20 parts, tetramethyl Qiu lily magnolia: 2
Part, dibenzothiazyl disulfide: 2 parts, stearic acid: 1.3 parts, sulphur: 2.2 parts, precipitated calcium carbonate: 360 parts, phthalic acid two
Butyl ester: 2 parts, mercaptopropyl trimethoxysilane: 2 parts, tetraisopropyl titanate: 0.9 part, age resister: 2.4 parts, inorganic antiseptic:
1.5 part.The inorganic antiseptic is that 1:1:1 stirs evenly mixing gained by magnesium aluminate, magnesium titanate, magnesium tungstate in mass ratio.
The age resister is by phosphorous acid -4- nonyl phenyl double tridecyl ester, four (2,4- di-tert-butylphenol) -4,4- xenyls two
Phosphite ester, bis- (2,4- di-tert-butyl-phenyl) phenyl phosphites are that 1:1:1 is uniformly mixed gained in mass ratio；
By natural rubber, butadiene-styrene rubber, butadiene rubber, tetramethylthiuram disulfide, dibenzothiazyl disulfide, stearic acid,
Sulphur, precipitated calcium carbonate, dibutyl phthalate, mercaptopropyl trimethoxysilane, tetraisopropyl titanate, age resister, nothing
Machine antibacterial agent is stirred 8 minutes with 300 revs/min and is uniformly mixed, and obtains raw material；
S2: it plasticates: gained raw material being injected into plasticator, 90 DEG C of plasticator temperature, 35 DEG C of roller temperature, time 15min is moulded
Refining glue material is placed 15 hours after discharging, then obtains plastic rubber material；
S3: be kneaded: by gained plasticate sizing material injection rubber mixing machine in be kneaded, melting temperature control between 80 DEG C, the time
20min 0.9 millimeter of roller spacing, is placed 18 hours 80 revs/min of rotor speed when mixing after discharging；
S4: vulcanization: vulcanized after feeding injection into vulcanizer, 110 DEG C of curing temperature, sulfide stress 0.4Mpa, vulcanization time
50 minutes, obtain real high-intensitive vulcanized rubber material；
S5: injection molding: gained high intensity vulcanized rubber material is injected in molding machine and carries out moulding molding.
In the present embodiment, by weight, natural rubber: 150 parts, butadiene-styrene rubber: 30 parts, butadiene rubber: 20 parts, two
Vulcanize tetramethyl Qiu lily magnolia: 2 parts, dibenzothiazyl disulfide: 2 parts, stearic acid: 1.3 parts, sulphur: 2.2 parts, precipitated calcium carbonate:
360 parts, dibutyl phthalate: 2 parts, mercaptopropyl trimethoxysilane: 2 parts, tetraisopropyl titanate: 0.9 part, anti-aging
Agent: 2.4 parts, inorganic antiseptic: 1.5 parts.The inorganic antiseptic is 1 by magnesium aluminate, magnesium titanate, magnesium tungstate in mass ratio:
1:1 stirs evenly mixing gained.The age resister is by phosphorous acid -4- nonyl phenyl double tridecyl ester, four (bis- uncles of 2,4-
Butylphenol) -4,4- xenyl diphosphites, bis- (2,4- di-tert-butyl-phenyl) phenyl phosphites are 1:1:1 in mass ratio
It is uniformly mixed gained.
Embodiment 2
The preparation method of the high resiliency pet tennis based on rubber material includes the following steps:
S1: materials: natural rubber: 75 parts, butadiene-styrene rubber: 25 parts, butadiene rubber: 16 parts, tetramethyl Qiu lily magnolia: 1.7
Part, dibenzothiazyl disulfide: 1.7 parts, stearic acid: 1.2 parts, sulphur: 2.3 parts, precipitated calcium carbonate: 355 parts, phthalic acid
Dibutyl ester: 1.9 parts, mercaptopropyl trimethoxysilane: 1.9 parts, tetraisopropyl titanate: 0.8 part, age resister: 2.2 parts, inorganic
Antibacterial agent: 1.8 parts.It is mixed that the inorganic antiseptic by magnesium aluminate, magnesium titanate, magnesium tungstate is that 1:1:1 is stirred evenly in mass ratio
Close gained.The age resister is by phosphorous acid -4- nonyl phenyl double tridecyl ester, four (2,4- di-tert-butylphenol) -4,4-
Xenyl diphosphites, bis- (2,4- di-tert-butyl-phenyl) phenyl phosphites are uniformly mixed in mass ratio for 1:1:1
Gained；
By natural rubber, butadiene-styrene rubber, butadiene rubber, tetramethylthiuram disulfide, dibenzothiazyl disulfide, stearic acid,
Sulphur, precipitated calcium carbonate, dibutyl phthalate, mercaptopropyl trimethoxysilane, tetraisopropyl titanate, age resister, nothing
Machine antibacterial agent is stirred 10 minutes with 300 revs/min and is uniformly mixed, and obtains raw material；
S2: it plasticates: gained raw material being injected into plasticator, 80 DEG C of plasticator temperature, 45 DEG C of roller temperature, time 10min is moulded
Refining glue material is placed 18 hours after discharging, then obtains plastic rubber material；
S3: be kneaded: by gained plasticate sizing material injection rubber mixing machine in be kneaded, melting temperature control between 90 DEG C, the time
15min 1 millimeter of roller spacing, is placed 20 hours 90 revs/min of rotor speed when mixing after discharging；
S4: vulcanization: vulcanized after feeding injection into vulcanizer, 120 DEG C of curing temperature, sulfide stress 0.5Mpa, vulcanization time
60 minutes, obtain real high-intensitive vulcanized rubber material；
S5: injection molding: gained high intensity vulcanized rubber material is injected in molding machine and carries out moulding molding.
In the present embodiment, by weight, natural rubber: 75 parts, butadiene-styrene rubber: 25 parts, butadiene rubber: 16 parts, two
Vulcanize tetramethyl Qiu lily magnolia: 1.7 parts, dibenzothiazyl disulfide: 1.7 parts, stearic acid: 1.2 parts, sulphur: 2.3 parts, lightweight carbon
Sour calcium: 355 parts, dibutyl phthalate: 1.9 parts, mercaptopropyl trimethoxysilane: 1.9 parts, tetraisopropyl titanate: 0.8
Part, age resister: 2.2 parts, inorganic antiseptic: 1.8 parts.The inorganic antiseptic presses matter by magnesium aluminate, magnesium titanate, magnesium tungstate
Amount is than being that 1:1:1 stirs evenly mixing gained.The age resister is by phosphorous acid -4- nonyl phenyl double tridecyl ester, four
(2,4- di-tert-butylphenol) -4,4- xenyl diphosphites, bis- (2,4- di-tert-butyl-phenyl) phenyl phosphites press quality
Than being uniformly mixed gained for 1:1:1.
Embodiment 3
The preparation method of the high resiliency pet tennis based on rubber material includes the following steps:
S1: materials: natural rubber: 140 parts, butadiene-styrene rubber: 28 parts, butadiene rubber: 12 parts, tetramethyl Qiu lily magnolia: 1.9
Part, dibenzothiazyl disulfide: 1.9 parts, stearic acid: 1.7 parts, sulphur: 2.1 parts, precipitated calcium carbonate: 360 parts, phthalic acid
Dibutyl ester: 1.5 parts, mercaptopropyl trimethoxysilane: 1.5 parts, tetraisopropyl titanate: 0.5 part, age resister: 2 parts, inorganic anti-
Microbial inoculum: 2.8 parts.The inorganic antiseptic is that 1:1:1 stirs evenly mixing by magnesium aluminate, magnesium titanate, magnesium tungstate in mass ratio
Gained.The age resister is joined by phosphorous acid -4- nonyl phenyl double tridecyl ester, four (2,4- di-tert-butylphenol) -4,4-
Phenyl diphosphites, bis- (2,4- di-tert-butyl-phenyl) phenyl phosphites are that 1:1:1 is uniformly mixed institute in mass ratio
?；
By natural rubber, butadiene-styrene rubber, butadiene rubber, tetramethylthiuram disulfide, dibenzothiazyl disulfide, stearic acid,
Sulphur, precipitated calcium carbonate, dibutyl phthalate, mercaptopropyl trimethoxysilane, tetraisopropyl titanate, age resister, nothing
Machine antibacterial agent is stirred 5 minutes with 450 revs/min and is uniformly mixed, and obtains raw material；
S2: it plasticates: gained raw material being injected into plasticator, 88 DEG C of plasticator temperature, 55 DEG C of roller temperature, time 19min is moulded
Refining glue material is placed 19 hours after discharging, then obtains plastic rubber material；
S3: be kneaded: by gained plasticate sizing material injection rubber mixing machine in be kneaded, melting temperature control between 80 DEG C, the time
18min 0.7 millimeter of roller spacing, is placed 18 hours 95 revs/min of rotor speed when mixing after discharging；
S4: vulcanization: vulcanized after feeding injection into vulcanizer, 90 DEG C of curing temperature, sulfide stress 0.45Mpa, vulcanization time
55 minutes, obtain real high-intensitive vulcanized rubber material；
S5: injection molding: gained high intensity vulcanized rubber material is injected in molding machine and carries out moulding molding.
In the present embodiment, by weight, natural rubber: 140 parts, butadiene-styrene rubber: 28 parts, butadiene rubber: 12 parts, two
Vulcanize tetramethyl Qiu lily magnolia: 1.9 parts, dibenzothiazyl disulfide: 1.9 parts, stearic acid: 1.7 parts, sulphur: 2.1 parts, lightweight carbon
Sour calcium: 360 parts, dibutyl phthalate: 1.5 parts, mercaptopropyl trimethoxysilane: 1.5 parts, tetraisopropyl titanate: 0.5
Part, age resister: 2 parts, inorganic antiseptic: 2.8 parts.The inorganic antiseptic presses quality by magnesium aluminate, magnesium titanate, magnesium tungstate
Than stirring evenly mixing gained for 1:1:1.The age resister by phosphorous acid -4- nonyl phenyl double tridecyl ester, four (2,
4- di-tert-butylphenol) -4,4- xenyl diphosphites, bis- (2,4- di-tert-butyl-phenyl) phenyl phosphites are in mass ratio
1:1:1 is uniformly mixed gained.
According to actual experiment, the anti-aging and elastic more existing ball for pet playing of persistence of ball for pet playing made of the program has substantially
Promoted, and smell is smaller, even if breakage there will not be sharp aroma, will not people to surrounding and object have an impact, using very
Health and environmental protection.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of high resiliency pet tennis based on rubber material, it is characterised in that: by weight, should be based on rubber material
High resiliency pet tennis includes following constituent:
Natural rubber: 140-160 parts, butadiene-styrene rubber: 28-32 parts, butadiene rubber: 10-20 parts, tetramethylthiuram disulfide:
1.5-2.5 parts, dibenzothiazyl disulfide: 1.5-2.5 parts, stearic acid: 1-1.5 parts, sulphur: 2-2.5 parts, precipitated calcium carbonate:
350-370 parts, dibutyl phthalate: 1.5-2.5 parts, mercaptopropyl trimethoxysilane: 1.5-2.5 parts, metatitanic acid metatitanic acid four
Isopropyl ester: 0.5-1.5 parts, age resister: 2-4 parts, inorganic antiseptic: 1-3 parts.
2. a kind of high resiliency pet tennis based on rubber material according to claim 1, it is characterised in that: described inorganic
Antibacterial agent by magnesium aluminate, magnesium titanate, magnesium tungstate by than for (1-3): (1-3): (1-3) is mixed.
3. a kind of high resiliency pet tennis based on rubber material according to claim 1, it is characterised in that: described anti-ageing
Agent be phosphorous acid -4- nonyl phenyl double tridecyl ester, four (2,4- di-tert-butylphenol) -4,4- xenyl diphosphites,
One or more in (1-3) in bis- (2,4- di-tert-butyl-phenyl) phenyl phosphites: (1-3): the ratio of (n-n+3) is mixed
Close object.
4. a kind of preparation method of the high resiliency pet tennis based on rubber material, it is characterised in that: should be based on rubber material
The preparation method of high resiliency pet tennis includes the following steps:
S1: materials: natural rubber: 140-160 parts, butadiene-styrene rubber: 28-32 parts, butadiene rubber: 10-20 parts, tetramethyl
Thiuram: 1.5-2.5 parts, dibenzothiazyl disulfide: 1.5-2.5 parts, stearic acid: 1-1.5 parts, sulphur: 2-2.5 parts, lightweight
Calcium carbonate: 350-370 parts, dibutyl phthalate: 1.5-2.5 parts, mercaptopropyl trimethoxysilane: 1.5-2.5 parts, metatitanic acid
Tetraisopropyl titanate: 0.5-1.5 parts, age resister: 2-4 parts, inorganic antiseptic: 1-3 parts；
S2: plasticate: by after mixed processing sizing material inject plasticator, 80-100 DEG C of plasticator temperature, 30-40 DEG C of roller temperature,
Time 15-20min obtains sizing material of plasticating, and places 15-20 hours after discharging；
S3: be kneaded: by gained plasticate sizing material injection rubber mixing machine in be kneaded, melting temperature control between 50-100 DEG C, when
Between 30min, placed 15-20 hours after discharging；
S4: vulcanization: the sizing material after mixing is injected into vulcanizer, curing temperature control is at 100-120 DEG C, sulfide stress 0.3-
0.5MPA, vulcanization time 50-60min；
S5: injection molding: the sizing material after vulcanization is injected into molding machine, moulds molding.
5. a kind of preparation method of high resiliency pet tennis based on rubber material according to claim 4, feature exist
In: vulcanizer is flat hydraulic pressure vulcanizing machine in the step S4.
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| CN201811114034.8A CN109400972A (en) | 2018-09-25 | 2018-09-25 | A kind of high resiliency pet tennis and preparation method thereof based on rubber material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811114034.8A CN109400972A (en) | 2018-09-25 | 2018-09-25 | A kind of high resiliency pet tennis and preparation method thereof based on rubber material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110972986A (en) * | 2019-12-23 | 2020-04-10 | 安徽省圣达体育用品有限公司 | Nontoxic environment-friendly pet toy ball and preparation method thereof |
| CN112159577A (en) * | 2020-09-30 | 2021-01-01 | 山西富淇科技有限公司 | Antibacterial product and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104610587A (en) * | 2015-01-19 | 2015-05-13 | 中山大学 | Vulcanized rubber with self-repairing and recyclability characteristics as well as preparation method and application thereof |
| CN105924690A (en) * | 2016-05-13 | 2016-09-07 | 吉林师范大学 | Anti-aging modified natural rubber composite material |
| CN108276619A (en) * | 2017-12-18 | 2018-07-13 | 黄燕 | High intensity vulcanized rubber preparation method |
-
2018
- 2018-09-25 CN CN201811114034.8A patent/CN109400972A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104610587A (en) * | 2015-01-19 | 2015-05-13 | 中山大学 | Vulcanized rubber with self-repairing and recyclability characteristics as well as preparation method and application thereof |
| CN105924690A (en) * | 2016-05-13 | 2016-09-07 | 吉林师范大学 | Anti-aging modified natural rubber composite material |
| CN108276619A (en) * | 2017-12-18 | 2018-07-13 | 黄燕 | High intensity vulcanized rubber preparation method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110972986A (en) * | 2019-12-23 | 2020-04-10 | 安徽省圣达体育用品有限公司 | Nontoxic environment-friendly pet toy ball and preparation method thereof |
| CN112159577A (en) * | 2020-09-30 | 2021-01-01 | 山西富淇科技有限公司 | Antibacterial product and preparation method thereof |
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Application publication date: 20190301 |