CN106928495A - Rubber stiffener and preparation method and application - Google Patents
Rubber stiffener and preparation method and application Download PDFInfo
- Publication number
- CN106928495A CN106928495A CN201710171106.1A CN201710171106A CN106928495A CN 106928495 A CN106928495 A CN 106928495A CN 201710171106 A CN201710171106 A CN 201710171106A CN 106928495 A CN106928495 A CN 106928495A
- Authority
- CN
- China
- Prior art keywords
- rubber
- weight portion
- cashew nut
- temperature
- product
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- 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
- C08K3/34—Silicon-containing compounds
-
- 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
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
-
- 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
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/092—Polycarboxylic acids
-
- 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
- C08K5/13—Phenols; Phenolates
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- 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
-
- 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
Landscapes
- 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 present invention relates to a kind of rubber stiffener, raw material components by weight, including：The weight portion of cashew nut oil 20~30 and the weight portion of hexamethylenetetramine 12~18；Wherein, the preparation method of cashew nut oil comprises the following steps：Cashew nut kernel and absolute ethyl alcohol are well mixed, are then heated；Cashew nut shell is crushed, cashew nut powder is obtained, cashew nut powder is dried；Above two product is well mixed, cold pressing is then carried out, filtrate is collected in the crude oil filtering that cold pressing is obtained, and obtains cashew nut oil.Rubber stiffener that the present invention is provided and preparation method and application, enhancing effect of the rubber stiffener to rubber can be improved, improve heat resistance, resistance to ag(e)ing, wearability, scratch resistance and the corrosion resistance of rubber, effectively delay or suppress the ageing process of rubber, intensity is perfectly combined with the pliability of rubber, the physical and mechanical properties of rubber is improved；And preparation method is simple, low production cost.
Description
Technical field
The present invention relates to technical field of rubber material, and in particular to a kind of rubber stiffener and preparation method and application.
Background technology
Rubber is a kind of resilient polymer, and rubber can be obtained from the myron of some plants, it is also possible to artificial to close
Into.Rubber is divided into natural rubber and synthetic rubber by raw material, and synthetic rubber is divided into general purpose synthetic rubber and special synthetic rubber again.
Wherein, general purpose synthetic rubber refers to the glue kind for partly or entirely using instead of natural rubber, such as butadiene-styrene rubber, butadiene rubber, different
Penta rubber etc., mainly for the manufacture of tire and general industry rubber.The demand of general purpose rubber is big, is the master of synthetic rubber
Want kind.During asynthetic rubber, it usually needs add rubber stiffener to improve the property of the rubber for preparing
Energy.Rubber stiffener present in prior art, effect is often undesirable, such as can not have with other raw materials of rubber fine
Compatibility, be easily destroyed pliability of rubber etc., be more widely applied so as to limit rubber stiffener.Therefore,
The new rubber stiffener of exploitation is needed to avoid defect present in prior art.
The content of the invention
For defect of the prior art, present invention aim at providing a kind of rubber stiffener and preparation method thereof and should
With to improve enhancing effect of the rubber stiffener to rubber, heat resistance, resistance to ag(e)ing, wearability, the scratch resistance of improvement rubber
And corrosion resistance, effectively delay or suppress the ageing process of rubber, intensity is perfectly combined with the pliability of rubber, improve rubber
The physical and mechanical properties of glue；And preparation method is simple, low production cost.
To achieve the above object, the technical scheme of present invention offer is：
In a first aspect, the invention provides a kind of rubber stiffener, raw material components by weight, including：Cashew nut oil 20
~30 weight portions and the weight portion of hexamethylenetetramine 12~18.
In further embodiment of the invention, raw material components also include：The weight of 1,3- cyclohexane dicarboxylic acids 10~15
Part, the weight portion of pentaerythrite 4~8, the weight portion of phenol 3~6, the weight portion of alumina silicate 0.5~1, the weight portion of acrylic acid 5~7, tea are more
The weight portion of phenol 3~6 and the weight portion of potassium sulfite 1~2.
In further embodiment of the invention, raw material components by weight, including：The weight portion of cashew nut oil 25, six
The weight portion of methine tetramine 15, the weight portion of 1,3- cyclohexane dicarboxylic acids 12, the weight portion of pentaerythrite 6, the weight portion of phenol 5, silicic acid
The weight portion of aluminium 0.8, the weight portion of acrylic acid 6, the weight portion of Tea Polyphenols 4 and the weight portion of potassium sulfite 1.5.
In further embodiment of the invention, the preparation method of cashew nut oil comprises the following steps：S101：By cashew nut kernel
It is well mixed with absolute ethyl alcohol, then heat；S102：Cashew nut shell is crushed, cashew nut powder is obtained, cashew nut powder is dried；S103：Will
The product that the product and S102 that S101 is obtained are obtained is well mixed, and then carries out cold pressing, the crude oil that cold pressing is obtained
Filtering, collects filtrate, obtains cashew nut oil.It should be noted that the cashew nut kernel in S101 refers to the cashew nut that obtains after peeling that shells
Benevolence.
In further embodiment of the invention, in S101, the mass ratio of cashew nut kernel and absolute ethyl alcohol is 100:(10~
15)；In S103, the mass ratio of the product that the product and S102 that S101 is obtained are obtained is 100:(20~30).
In further embodiment of the invention, in S101, the temperature of heating is 80~95 DEG C, and the time of heating is 60
~70min；In S102, the particle diameter of cashew nut powder is less than 0.15mm, and the temperature of drying is 55~65 DEG C, and the cashew nut powder after drying contains
Water is less than or equal to 5%；In S103, cold pressing is squeezed using twin-screw oil mill, and the temperature of cold pressing is
45~50 DEG C.
Second aspect, the invention provides a kind of preparation method of rubber stiffener, comprises the following steps：By cashew nut oil and
Hexamethylenetetramine is well mixed, and then regulation pH value is warming up to 90 DEG C to 2.5~3.0 with the heating rate of 2~4 DEG C/min,
80~100min of insulation；Then then regulation pH value lowers the temperature to 6.0~7.0, obtains rubber stiffener；Wherein, temperature-fall period bag
Include：60~70min is incubated after being cooled to 60~65 DEG C with the rate of temperature fall of 1~2 DEG C/min, then with the cooling of 2~3 DEG C/min
Speed is cooled to 20~25 DEG C.
In addition, present invention also offers the preparation method of another rubber stiffener, comprising the following steps：S201：To remove
Other raw material components outside hexamethylenetetramine are well mixed, and then regulation pH value heats to 9.2~9.5；S202：
Hexamethylenetetramine is added in the product that S201 is obtained, then regulation pH value heats up to 2.5~3.0；S203：S203 is obtained
Product adjust pH value to 6.0~7.0, then lower the temperature, obtain rubber stiffener.
In further embodiment of the invention, in S201, the temperature of heating is 40~50 DEG C, and the time of heating is 3
~5h；In S202, temperature-rise period includes：90 DEG C are warming up to the heating rate of 2~4 DEG C/min, 80~100min is then incubated；
In S203, temperature-fall period includes：60~70min is incubated after being cooled to 60~65 DEG C with the rate of temperature fall of 1~2 DEG C/min, then
20~25 DEG C are cooled to the rate of temperature fall of 2~3 DEG C/min.
The third aspect, the application the invention provides rubber stiffener in rubber is prepared.
Rubber stiffener that the present invention is provided and preparation method and application, with following beneficial effect：(1) present invention
, using the plant product cashew nut oil of the Nature as raw material components, effect is good and environmentally friendly, to rubber for the rubber stiffener of offer
Enhancing effect is better than present reinforcing agent；And preparation method is simple, low production cost；(2) rubber provided using the present invention
The rubber that glue reinforcing agent is prepared, can prevent recovery, improve heat resistance, reduce heat, ageing-resistant, improve the viscous of rubber
With joint efforts with the modulus of colloid, the physical and mechanical properties of rubber is improved；(3) rubber stiffener provided using the present invention prepares rain
Brush, intensity can be perfectly combined with the pliability of rubber, raising wearability, scratch resistance and corrosion resistance, effectively delay or
Suppress the ageing process of rubber, so that extend the service life of rain brush, and with very excellent absorbing noise abatement performance, so that
Low noise properties are realized, the shortcomings of wiping is not washed clean, service life is short can be avoided in use.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme is clearly and completely described.Hereinafter implement
Example is only used for clearly illustrating technical scheme, therefore is intended only as example, and can not limit this hair with this
Bright protection domain.
Experimental technique in following embodiments, unless otherwise specified, is conventional method.Examination used in following embodiments
Material is tested, unless otherwise specified, is what is be commercially available from conventional reagent shop.Quantitative test in following examples, is all provided with
Put three repetitions to test, data are the average value or mean+SD of three repetition experiments.
The present invention provides a kind of rubber stiffener, raw material components by weight, including：The weight portion of cashew nut oil 20~30 and
The weight portion of hexamethylenetetramine 12~18；
Preferably, raw material components also include：The weight portion of 1,3- cyclohexane dicarboxylic acids 10~15, the weight of pentaerythrite 4~8
Part, the weight portion of phenol 3~6, the weight portion of alumina silicate 0.5~1, the weight portion of acrylic acid 5~7, the weight portion of Tea Polyphenols 3~6 and sulfurous
The weight portion of sour potassium 1~2.
Preferably, the preparation method of cashew nut oil comprises the following steps：S101：By cashew nut kernel and absolute ethyl alcohol with 100:(10
~mass ratio 15) is well mixed, and then heats 60~70min at 80~95 DEG C；S102：Cashew nut shell is crushed, particle diameter is obtained
Less than 0.15mm cashew nut powders, 55~65 DEG C of drying of cashew nut powder to water content are less than or equal to 5%；S103：S101 is obtained
The product that product and S102 are obtained is well mixed, and then carries out cold pressing, the temperature of cold pressing using twin-screw oil mill
It it is 45~50 DEG C, filtrate is collected in the crude oil filtering that cold pressing is obtained, and obtains cashew nut oil；Wherein, S101 is obtained product and
The mass ratio of the product that S102 is obtained is 100:(20~30).
In addition, present invention also offers the preparation method of above-mentioned rubber stiffener, comprising the following steps：
S201：Other raw material components in addition to hexamethylenetetramine are well mixed, regulation pH value to 9.2~9.5, so
40~50 DEG C are heated 3~5h afterwards；S202：Add hexamethylenetetramine in the product that S201 is obtained, regulation pH value to 2.5~
3.0, then heat up, temperature-rise period includes：Be warming up to 90 DEG C with the heating rate of 2~4 DEG C/min, then be incubated 80~
100min；S203：The product that S203 is obtained adjusts pH value to 6.0~7.0, then lowers the temperature, and temperature-fall period includes：With 1~2
DEG C/rate of temperature fall of min is incubated 60~70min after being cooled to 60~65 DEG C, then lowered the temperature with the rate of temperature fall of 2~3 DEG C/min
To 20~25 DEG C, rubber stiffener is obtained.
Rubber stiffener provided the present invention with reference to specific embodiment and preparation method thereof is described further.
Embodiment one
The present embodiment provides a kind of rubber stiffener, raw material components by weight, including：The weight portion of cashew nut oil 20 and six
The weight portion of methine tetramine 18；
Wherein, the preparation method of cashew nut oil comprises the following steps：S101：By cashew nut kernel and absolute ethyl alcohol with 100:10 matter
Then amount heats 60min than well mixed at 80 DEG C；S102：Cashew nut shell is crushed, particle diameter is obtained less than 0.15mm cashew nut powders,
55 DEG C of drying of cashew nut powder to water content are less than or equal to 5%；S103：The product that the product and S102 that S101 is obtained are obtained is mixed
Close uniform, cold pressing is then carried out using twin-screw oil mill, the temperature of cold pressing is 45 DEG C, and cold pressing is obtained
Crude oil is filtered, and collects filtrate, obtains cashew nut oil；Wherein, the mass ratio of the product that the product and S102 that S101 is obtained are obtained is
100:20。
By above-mentioned raw material, the preparation method of the rubber stiffener provided using the present invention prepares rubber stiffener：
Cashew nut oil and hexamethylenetetramine are well mixed, pH value are adjusted to 2.5, then with the heating rate of 2 DEG C/min
90 DEG C are warming up to, 80min is incubated；Then then regulation pH value lowers the temperature to 6.0, and temperature-fall period includes：With the cooling of 1 DEG C/min
Speed is incubated 60min after being cooled to 60 DEG C, be then cooled to 20 DEG C with the rate of temperature fall of 2 DEG C/min, obtains rubber stiffener.
Embodiment two
The present embodiment provides a kind of rubber stiffener, raw material components by weight, including：The weight portion of cashew nut oil 30 and six
The weight portion of methine tetramine 12；
Wherein, the preparation method of cashew nut oil comprises the following steps：S101：By cashew nut kernel and absolute ethyl alcohol with 100:15 matter
Then amount heats 70min than well mixed at 95 DEG C；S102：Cashew nut shell is crushed, particle diameter is obtained less than 0.15mm cashew nut powders,
65 DEG C of drying of cashew nut powder to water content are less than or equal to 5%；S103：The product that the product and S102 that S101 is obtained are obtained is mixed
Close uniform, cold pressing is then carried out using twin-screw oil mill, the temperature of cold pressing is 50 DEG C, and cold pressing is obtained
Crude oil is filtered, and collects filtrate, obtains cashew nut oil；Wherein, the mass ratio of the product that the product and S102 that S101 is obtained are obtained is
100:30。
By above-mentioned raw material, the preparation method of the rubber stiffener provided using the present invention prepares rubber stiffener：
Anacardol and hexamethylenetetramine are well mixed, pH value are adjusted to 3.0, then with the heating rate of 4 DEG C/min
90 DEG C are warming up to, 100min is incubated；Then then regulation pH value lowers the temperature to 7.0, and temperature-fall period includes：With the cooling of 2 DEG C/min
Speed is incubated 70min after being cooled to 65 DEG C, be then cooled to 25 DEG C with the rate of temperature fall of 3 DEG C/min, obtains rubber stiffener.
Embodiment three
The present embodiment provides a kind of rubber stiffener, raw material components by weight, including：The weight portion of cashew nut oil 25 and six
The weight portion of methine tetramine 15；
Wherein, the preparation method of cashew nut oil comprises the following steps：S101：By cashew nut kernel and absolute ethyl alcohol with 100:12 matter
Then amount heats 65min than well mixed at 85 DEG C；S102：Cashew nut shell is crushed, particle diameter is obtained less than 0.15mm cashew nut powders,
60 DEG C of drying of cashew nut powder to water content are less than or equal to 5%；S103：The product that the product and S102 that S101 is obtained are obtained is mixed
Close uniform, cold pressing is then carried out using twin-screw oil mill, the temperature of cold pressing is 48 DEG C, and cold pressing is obtained
Crude oil is filtered, and collects filtrate, obtains cashew nut oil；Wherein, the mass ratio of the product that the product and S102 that S101 is obtained are obtained is
100:25。
By above-mentioned raw material, the preparation method of the rubber stiffener provided using the present invention prepares rubber stiffener：
Anacardol and hexamethylenetetramine are well mixed, pH value are adjusted to 2.8, then with the heating rate of 3 DEG C/min
90 DEG C are warming up to, 90min is incubated；Then then regulation pH value lowers the temperature to 6.5, and temperature-fall period includes：With the drop of 1.5 DEG C/min
Warm speed is incubated 65min after being cooled to 62 DEG C, be then cooled to 25 DEG C with the rate of temperature fall of 2.5 DEG C/min, obtains rubber reinforcement
Agent.
Example IV
The present embodiment provides a kind of rubber stiffener, raw material components by weight, including：The weight portion of cashew nut oil 20, six
The weight portion of methine tetramine 18, the weight portion of 1,3- cyclohexane dicarboxylic acids 10, the weight portion of pentaerythrite 8, the weight portion of phenol 3, silicic acid
The weight portion of aluminium 1, the weight portion of acrylic acid 5, the weight portion of Tea Polyphenols 6 and the weight portion of potassium sulfite 1；
Wherein, the preparation method of cashew nut oil comprises the following steps：S101：By cashew nut kernel and absolute ethyl alcohol with 100:10 matter
Then amount heats 60min than well mixed at 80 DEG C；S102：Cashew nut shell is crushed, particle diameter is obtained less than 0.15mm cashew nut powders,
55 DEG C of drying of cashew nut powder to water content are less than or equal to 5%；S103：The product that the product and S102 that S101 is obtained are obtained is mixed
Close uniform, cold pressing is then carried out using twin-screw oil mill, the temperature of cold pressing is 45 DEG C, and cold pressing is obtained
Crude oil is filtered, and collects filtrate, obtains cashew nut oil；Wherein, the mass ratio of the product that the product and S102 that S101 is obtained are obtained is
100:20。
By above-mentioned raw material, the preparation method of the rubber stiffener provided using the present invention prepares rubber stiffener：
S201：Other raw material components in addition to hexamethylenetetramine are well mixed, regulation pH value to 9.2, then 40
DEG C heating 3h；S202：Hexamethylenetetramine is added in the product that S201 is obtained, then regulation pH value heats up to 2.5, heat up
Process includes：90 DEG C are warming up to the heating rate of 2 DEG C/min, 80min is then incubated；S203：The product that S203 is obtained is adjusted
Then section pH value lowers the temperature to 6.0, and temperature-fall period includes：It is cooled to after 60 DEG C with the rate of temperature fall of 1 DEG C/min and is incubated 60min, so
20 DEG C are cooled to the rate of temperature fall of 2 DEG C/min afterwards, rubber stiffener is obtained.
Embodiment five
The present embodiment provides a kind of rubber stiffener, raw material components by weight, including：The weight portion of cashew nut oil 30, six
The weight portion of methine tetramine 12, the weight portion of 1,3- cyclohexane dicarboxylic acids 15, the weight portion of pentaerythrite 4, the weight portion of phenol 6, silicic acid
The weight portion of aluminium 0.5, the weight portion of acrylic acid 7, the weight portion of Tea Polyphenols 3 and the weight portion of potassium sulfite 2；
Wherein, the preparation method of cashew nut oil comprises the following steps：S101：By cashew nut kernel and absolute ethyl alcohol with 100:15 matter
Then amount heats 70min than well mixed at 95 DEG C；S102：Cashew nut shell is crushed, particle diameter is obtained less than 0.15mm cashew nut powders,
65 DEG C of drying of cashew nut powder to water content are less than or equal to 5%；S103：The product that the product and S102 that S101 is obtained are obtained is mixed
Close uniform, cold pressing is then carried out using twin-screw oil mill, the temperature of cold pressing is 50 DEG C, and cold pressing is obtained
Crude oil is filtered, and collects filtrate, obtains cashew nut oil；Wherein, the mass ratio of the product that the product and S102 that S101 is obtained are obtained is
100:30。
By above-mentioned raw material, the preparation method of the rubber stiffener provided using the present invention prepares rubber stiffener：
S201：Other raw material components in addition to hexamethylenetetramine are well mixed, regulation pH value to 9.5, then 50
DEG C heating 5h；S202：Hexamethylenetetramine is added in the product that S201 is obtained, then regulation pH value heats up to 3.0, heat up
Process includes：90 DEG C are warming up to the heating rate of 4 DEG C/min, 100min is then incubated；S203：The product that S203 is obtained is adjusted
Then section pH value lowers the temperature to 7.0, and temperature-fall period includes：It is cooled to after 65 DEG C with the rate of temperature fall of 2 DEG C/min and is incubated 70min, so
25 DEG C are cooled to the rate of temperature fall of 3 DEG C/min afterwards, rubber stiffener is obtained.
Embodiment six
The present embodiment provides a kind of rubber stiffener, raw material components by weight, including：The weight portion of cashew nut oil 25, six
The weight portion of methine tetramine 15, the weight portion of 1,3- cyclohexane dicarboxylic acids 12, the weight portion of pentaerythrite 6, the weight portion of phenol 5, silicic acid
The weight portion of aluminium 0.8, the weight portion of acrylic acid 6, the weight portion of Tea Polyphenols 4 and the weight portion of potassium sulfite 1.5；
Wherein, the preparation method of cashew nut oil comprises the following steps：S101：By cashew nut kernel and absolute ethyl alcohol with 100:12 matter
Then amount heats 65min than well mixed at 85 DEG C；S102：Cashew nut shell is crushed, particle diameter is obtained less than 0.15mm cashew nut powders,
60 DEG C of drying of cashew nut powder to water content are less than or equal to 5%；S103：The product that the product and S102 that S101 is obtained are obtained is mixed
Close uniform, cold pressing is then carried out using twin-screw oil mill, the temperature of cold pressing is 48 DEG C, and cold pressing is obtained
Crude oil is filtered, and collects filtrate, obtains cashew nut oil；Wherein, the mass ratio of the product that the product and S102 that S101 is obtained are obtained is
100:25。
By above-mentioned raw material, the preparation method of the rubber stiffener provided using the present invention prepares rubber stiffener：
S201：Other raw material components in addition to hexamethylenetetramine are well mixed, regulation pH value to 9.3, then 45
DEG C heating 4h；S202：Hexamethylenetetramine is added in the product that S201 is obtained, then regulation pH value heats up to 2.8, heat up
Process includes：90 DEG C are warming up to the heating rate of 3 DEG C/min, 90min is then incubated；S203：The product that S203 is obtained is adjusted
Then section pH value lowers the temperature to 6.5, and temperature-fall period includes：65min is incubated after being cooled to 62 DEG C with the rate of temperature fall of 1.5 DEG C/min,
Then 25 DEG C are cooled to the rate of temperature fall of 2.5 DEG C/min, obtain rubber stiffener.
Comparative example one
This comparative example provides a kind of rubber stiffener, raw material components by weight, including：The weight portion of cashew nut oil 25, six
The weight portion of methine tetramine 15, the weight portion of 1,3- cyclohexane dicarboxylic acids 12, the weight portion of pentaerythrite 6, the weight portion of phenol 5, silicic acid
The weight portion of aluminium 0.8, the weight portion of acrylic acid 6, the weight portion of Tea Polyphenols 4 and the weight portion of potassium sulfite 1.5；
Wherein, cashew nut oil is commercially available cashew nut oil；
The preparation method of rubber stiffener is with embodiment six.
Comparative example two
This comparative example provides a kind of rubber stiffener, raw material components by weight, including：The weight portion of cashew nut oil 25, six
The weight portion of methine tetramine 15, the weight portion of 1,3- cyclohexane dicarboxylic acids 12, the weight portion of pentaerythrite 6, the weight portion of phenol 5, propylene
Sour 6 weight portions and the weight portion of potassium sulfite 1.5；
The preparation method of cashew nut oil and the preparation method of rubber stiffener are with embodiment six.
Comparative example three
The preparation method of a kind of rubber stiffener of this comparative example offer, raw material components and cashew nut oil is with embodiment six；
By above-mentioned raw material, the preparation method of the rubber stiffener provided using the present invention prepares rubber stiffener：
S201：Other raw material components in addition to hexamethylenetetramine are well mixed, regulation pH value to 9.3, then 45
DEG C heating 4h；S202：Hexamethylenetetramine, regulation pH value to 2.8, then 90 DEG C of insulations are added in the product that S201 is obtained
90min；S203：The product that S203 is obtained adjusts pH value to 6.5, then lowers the temperature, and temperature-fall period includes：With 1.5 DEG C/min's
Rate of temperature fall is incubated 65min after being cooled to 62 DEG C, be then cooled to 25 DEG C with the rate of temperature fall of 2.5 DEG C/min, obtains rubber increasing
Strong agent.
Comparative example four
The preparation method of a kind of rubber stiffener of this comparative example offer, raw material components and cashew nut oil is with embodiment six；
By above-mentioned raw material, the preparation method of the rubber stiffener provided using the present invention prepares rubber stiffener：
S201：Other raw material components in addition to hexamethylenetetramine are well mixed, regulation pH value to 9.3, then 45
DEG C heating 4h；S202：Hexamethylenetetramine is added in the product that S201 is obtained, then regulation pH value heats up to 6.5, heat up
Process includes：90 DEG C are warming up to the heating rate of 3 DEG C/min, 90min is then incubated；S203：The product that S203 is obtained is adjusted
Then section pH value lowers the temperature to 6.5, and temperature-fall period includes：65min is incubated after being cooled to 62 DEG C with the rate of temperature fall of 1.5 DEG C/min,
Then 25 DEG C are cooled to the rate of temperature fall of 2.5 DEG C/min, obtain rubber stiffener.
The rubber stiffener that the embodiment of the present invention one is prepared to embodiment six, is commented by function assessment experiment come system
Valency its effect, and rubber stiffener as control is prepared using comparative example one to comparative example five.
Prepare rain brush rubber：(1) raw material components by weight, including：The weight portion of nitrile rubber 45, neoprene 10
Weight portion, the weight portion of natural rubber 35, the weight portion of 2,2 '-dithio-bis-benzothiazole 3, the weight portion of iron oxide 4, N- phenyl -2-
The weight portion of naphthylamines 1, the weight portion of carbon black 1, the weight portion of acrylic resin 2 and the weight portion of rubber stiffener 15；Wherein, in nitrile rubber
Acrylonitrile content is 42%~46%, the CAS No. of natural rubber:9006-04-6, the CAS No. of neoprene:9010-98-
4, the average molecular weight range about 300000 of acrylic resin, rubber stiffener is prepared for the embodiment of the present invention one to embodiment six
The rubber stiffener or comparative example one to comparative example five for obtaining prepare rubber stiffener.(2) preparation method：By all raw materials
Component high-speed stirred is well mixed, and then carries out internally mix, obtains rain brush rubber.
1st, rain brush is tested with rubber performance
Assay method according to vulcanized rubber or thermoplastic elastomer tensile stress-strain performance determines 120h80 DEG C of aging survey
During examination, elongation change rate, the assay method according to vulcanized rubber or thermoplastic elastomer ozone resistance is determined, in ozone test
Under 120h, there is cracking situation in rubber surface, and concrete outcome is as shown in table 1.
The rain brush of table 1 is tested with rubber main performance
2nd, rain brush performance measurement
Prepare rain brush：By rain brush elastomeric material apply be covered with polyethylene (0.925 gram/cc of density, fusing point 120~
125 DEG C), then vulcanized；By 160 DEG C of preheating 18min of rubber mold；Rubber after the elastomeric material injection preheating that will vulcanize
In sealing rubber die, the time of injection moulding is 50min；Cooling, then takes out the rain brush of shaping.To the rain brush progressive for preparing
Can determine, wherein elongation at break (%) is determined using GB GB/T1040, abrasion loss (mg) is determined using ASTMD1044, pressure
Compression deformation (%) is determined using GB GB/T1040, and concrete outcome is as shown in table 2 below.
The rain brush performance measurement situation of table 2
| Group | Elongation at break (%) | Abrasion loss (mg) | Compression (%) |
| Embodiment one | 563 | 21 | 36 |
| Embodiment two | 554 | 23 | 38 |
| Embodiment three | 569 | 18 | 29 |
| Example IV | 658 | 7 | 8 |
| Embodiment five | 653 | 6 | 8 |
| Embodiment six | 677 | 3 | 5 |
| Comparative example one | 524 | 38 | 46 |
| Comparative example two | 535 | 26 | 41 |
| Comparative example three | 548 | 41 | 54 |
| Comparative example four | 553 | 49 | 47 |
It should be noted that situation about being enumerated to embodiment six except above-described embodiment one, from other raw material components
Proportioning and preparation method thereof is also feasible.
Rubber stiffener that the present invention is provided and preparation method and application, with following beneficial effect：(1) present invention
, using the plant product cashew nut oil of the Nature as raw material components, effect is good and environmentally friendly, to rubber for the rubber stiffener of offer
Enhancing effect is better than present reinforcing agent；And preparation method is simple, low production cost；(2) rubber provided using the present invention
The rubber that glue reinforcing agent is prepared, can prevent recovery, improve heat resistance, reduce heat, ageing-resistant, improve the viscous of rubber
With joint efforts with the modulus of colloid, the physical and mechanical properties of rubber is improved；(3) rubber stiffener provided using the present invention prepares rain
Brush, intensity can be perfectly combined with the pliability of rubber, raising wearability, scratch resistance and corrosion resistance, effectively delay or
Suppress the ageing process of rubber, so that extend the service life of rain brush, and with very excellent absorbing noise abatement performance, so that
Low noise properties are realized, the shortcomings of wiping is not washed clean, service life is short can be avoided in use.
It should be noted that unless otherwise indicated, technical term used in this application or scientific terminology should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.Unless specifically stated otherwise, otherwise illustrate in these embodiments
The relative step of part and step, numerical expression and numerical value do not limit the scope of the invention.It is illustrated and described herein
In all examples, unless otherwise prescribed, any occurrence should be construed as merely exemplary, not as limitation, because
This, other examples of exemplary embodiment can have different values.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme, it all should cover in the middle of protection scope of the present invention.
Claims (10)
1. a kind of rubber stiffener, it is characterised in that raw material components by weight, including：
The weight portion of cashew nut oil 20~30 and the weight portion of hexamethylenetetramine 12~18.
2. rubber stiffener according to claim 1, it is characterised in that the raw material components also include：
The weight portion of 1,3- cyclohexane dicarboxylic acids 10~15, the weight portion of pentaerythrite 4~8, the weight portion of phenol 3~6, alumina silicate 0.5
~1 weight portion, the weight portion of acrylic acid 5~7, the weight portion of Tea Polyphenols 2~6 and the weight portion of potassium sulfite 1~2.
3. rubber stiffener according to claim 2, it is characterised in that raw material components by weight, including：
The weight portion of cashew nut oil 25, the weight portion of hexamethylenetetramine 15, the weight portion of 1,3- cyclohexane dicarboxylic acids 12, the weight of pentaerythrite 6
Amount part, the weight portion of phenol 5, the weight portion of alumina silicate 0.8, the weight portion of acrylic acid 6, the weight portion of Tea Polyphenols 4 and the weight of potassium sulfite 1.5
Part.
4. the rubber stiffener according to claim any one of 1-3, it is characterised in that
The preparation method of the cashew nut oil comprises the following steps：
S101：Cashew nut kernel and absolute ethyl alcohol are well mixed, are then heated；
S102：Cashew nut shell is crushed, cashew nut powder is obtained, by cashew nut powder drying；
S103：The product that the product and the S102 that the S101 is obtained are obtained is well mixed, and then carries out cold pressing, will
The crude oil filtering that the cold pressing is obtained, collects filtrate, obtains the cashew nut oil.
5. rubber stiffener according to claim 4, it is characterised in that：
In the S101, the mass ratio of the cashew nut kernel and the absolute ethyl alcohol is 100:(10~15)；
In the S103, the mass ratio of the product that the product and the S102 that the S101 is obtained are obtained is 100:(20~30).
6. rubber stiffener according to claim 4, it is characterised in that：
In the S101, the temperature of the heating is 80~95 DEG C, and the time of the heating is 60~70min；
In the S102, the particle diameter of the cashew nut powder is less than 0.15mm, and the temperature of the drying is 55~65 DEG C, after the drying
Cashew nut powder water content be less than or equal to 5%；
In the S103, the cold pressing is squeezed using twin-screw oil mill, and the temperature of the cold pressing is 45
~50 DEG C.
7. the preparation method of the rubber stiffener described in claim 1, it is characterised in that comprise the following steps：
Cashew nut oil and hexamethylenetetramine are well mixed, pH value are adjusted to 2.5~3.0, then with the intensification of 2~4 DEG C/min
Speed is warming up to 90 DEG C, is incubated 80~100min；Then then regulation pH value lowers the temperature to 6.0~7.0, obtains the rubber and increases
Strong agent；Wherein, the temperature-fall period includes：After being cooled to 60~65 DEG C with the rate of temperature fall of 1~2 DEG C/min insulation 60~
70min, is then cooled to 20~25 DEG C with the rate of temperature fall of 2~3 DEG C/min.
8. the preparation method of the rubber stiffener described in any one of claim 2-6, it is characterised in that comprise the following steps：
S201：Other raw material components in addition to hexamethylenetetramine are well mixed, regulation pH value to 9.2~9.5, Ran Houjia
Heat；
S202：Hexamethylenetetramine is added in the product that the S201 is obtained, then regulation pH value heats up to 2.5~3.0；
S203：The product that the S203 is obtained adjusts pH value to 6.0~7.0, then lowers the temperature, and obtains the rubber stiffener.
9. the preparation method of rubber stiffener according to claim 8, it is characterised in that：
In the S201, the temperature of the heating is 40~50 DEG C, and the time of the heating is 3~5h；
In the S202, the temperature-rise period includes：Be warming up to 90 DEG C with the heating rate of 2~4 DEG C/min, then be incubated 80~
100min；
In the S203, the temperature-fall period includes：60 are incubated after being cooled to 60~65 DEG C with the rate of temperature fall of 1~2 DEG C/min
~70min, is then cooled to 20~25 DEG C with the rate of temperature fall of 2~3 DEG C/min.
10. the rubber stiffener described in any one of claim 1-6 is preparing application of the rubber especially in rain brush rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710171106.1A CN106928495B (en) | 2017-03-21 | 2017-03-21 | Rubber stiffener and the preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710171106.1A CN106928495B (en) | 2017-03-21 | 2017-03-21 | Rubber stiffener and the preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106928495A true CN106928495A (en) | 2017-07-07 |
| CN106928495B CN106928495B (en) | 2018-11-20 |
Family
ID=59432655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710171106.1A Active CN106928495B (en) | 2017-03-21 | 2017-03-21 | Rubber stiffener and the preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106928495B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111500048A (en) * | 2020-05-09 | 2020-08-07 | 深圳市象形科技有限公司 | Heat-conducting connecting foam and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097433A (en) * | 1994-05-31 | 1995-01-18 | 浙江大学 | A kind of modified high-temperature and wear-proof phenolic resin |
| CN104693482A (en) * | 2015-04-03 | 2015-06-10 | 浙江宇翔生物科技有限公司 | Rubber multi-function additive efficient modulus fortifier and preparation method thereof |
| CN105237817A (en) * | 2015-10-19 | 2016-01-13 | 青岛科技大学 | Composite type rubber strengthening system, butadiene styrene rubber adopting strengthening system and preparing method |
| CN106366376A (en) * | 2015-07-23 | 2017-02-01 | 东洋橡胶工业株式会社 | Rubber composition and pneumatic tire |
-
2017
- 2017-03-21 CN CN201710171106.1A patent/CN106928495B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097433A (en) * | 1994-05-31 | 1995-01-18 | 浙江大学 | A kind of modified high-temperature and wear-proof phenolic resin |
| CN104693482A (en) * | 2015-04-03 | 2015-06-10 | 浙江宇翔生物科技有限公司 | Rubber multi-function additive efficient modulus fortifier and preparation method thereof |
| CN106366376A (en) * | 2015-07-23 | 2017-02-01 | 东洋橡胶工业株式会社 | Rubber composition and pneumatic tire |
| CN105237817A (en) * | 2015-10-19 | 2016-01-13 | 青岛科技大学 | Composite type rubber strengthening system, butadiene styrene rubber adopting strengthening system and preparing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111500048A (en) * | 2020-05-09 | 2020-08-07 | 深圳市象形科技有限公司 | Heat-conducting connecting foam and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106928495B (en) | 2018-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101597391B (en) | Highly-abrasion-resistant butadiene-acrylonitrile-rubber vulcanized rubber and preparation method thereof | |
| CN104031296B (en) | All-steel radial tyre belt cushion rubber composition and sizing material preparation technology | |
| CN105860133B (en) | Carbon tube mother material and its application in tire tread | |
| CN102585317B (en) | Styrene-butadiene rubber high-heat-resistant conveying belt covering rubber and preparation method thereof | |
| CN110330750B (en) | Low-compression permanent deformation carboxylic acid type acrylate rubber and preparation method thereof | |
| CN104650465A (en) | EPDM/EPM engine synthetic brake fluid and expansion resistance rubber material and manufacturing process thereof | |
| CN107880329A (en) | A kind of automobile rubber diaphragm material and preparation method thereof | |
| CN107418002A (en) | A kind of high-quality rubber seal | |
| CN104086826A (en) | Oil-resistant and high-temperature-resistant rubber material for automobiles | |
| CN102705439A (en) | Driving belt and manufacturing method thereof | |
| CN106928495A (en) | Rubber stiffener and preparation method and application | |
| CN102173066B (en) | Method for manufacturing steel wire hydraulic knitted rubber hose containing formaldehyde modified lignin | |
| CN106337891A (en) | Rubber joint for rail vehicle oil pressure damper and rubber formula thereof | |
| CN102295789A (en) | Tread rubber for all-steel tyre | |
| CN105218887A (en) | A kind of low temperature resistant tube formula | |
| CN105199173A (en) | Common heat-resisting conveyer belt cover rubber and preparation method thereof | |
| CN102417618B (en) | 40-degree natural rubber and production process thereof | |
| CN114940807B (en) | Modified zinc oxide and mercaptan synergistic toughened high impact resistance epoxy resin composite material and preparation method thereof | |
| CN106928506A (en) | A kind of manufacture method of friction plate tree lace and friction plate | |
| CN107189131B (en) | Rubber composition, preparation method and its product of a kind of total wind hose internal layer of railway for braided steel wire structure | |
| CN102775650A (en) | Tread rubber sizing material containing liquid phase dispersion white carbon black latex mixture and preparation method and application thereof | |
| CN105175832A (en) | Granular SBR (styrene butadiene rubber) and preparation method thereof | |
| CN105482173A (en) | Formula of rubber for reducing porosity of tire component and preparation method thereof | |
| CN108948468A (en) | A kind of preparation method of the corrosion-resistant vulcanization rubber compound of the oil resistant of the alumina filled modification of graphene oxide-glass fibre- | |
| CN112194827B (en) | Oil-resistant rubber sealing element material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |