CN105237897A - Heat-resistant rubber and preparation method therefor - Google Patents

Heat-resistant rubber and preparation method therefor Download PDF

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Publication number
CN105237897A
CN105237897A CN201510500708.8A CN201510500708A CN105237897A CN 105237897 A CN105237897 A CN 105237897A CN 201510500708 A CN201510500708 A CN 201510500708A CN 105237897 A CN105237897 A CN 105237897A
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CN
China
Prior art keywords
resistant rubber
heat resistant
magnesium
acid
carbon black
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Pending
Application number
CN201510500708.8A
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Chinese (zh)
Inventor
周波
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Development In Science And Technology Co Ltd Of Suzhou Cathay
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Development In Science And Technology Co Ltd Of Suzhou Cathay
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Priority to CN201510500708.8A priority Critical patent/CN105237897A/en
Publication of CN105237897A publication Critical patent/CN105237897A/en
Pending legal-status Critical Current

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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • 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
    • C08K3/36—Silica
    • 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
    • C08K5/098—Metal salts of carboxylic 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
    • C08K5/10—Esters; Ether-esters
    • C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/39—Thiocarbamic acids; Derivatives thereof, e.g. dithiocarbamates
    • 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
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/45—Heterocyclic compounds having sulfur in the ring
    • C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
    • C08K5/47—Thiazoles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • 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
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/222—Magnesia, i.e. magnesium oxide
    • 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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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses heat-resistant rubber. A formula of the heat-resistant rubber contains the ingredients: chlorosulfonated polyethylene, white carbon black, alumina, magnesia, zinc diethyl dithiocarbamate, dilauryl thiodipropionate, zinc stearate, 2,2'-dithiodibenzothiazole, trioctyl trimellitate and 3MgO.4SiO2.H2O. The heat-resistant rubber provided by the invention has very good heat resistance, and the original properties are maintained at high temperatures. The heat-resistant rubber is applicable to conveying belts of various conveying devices and can also be applied to automobile conveying belts.

Description

A kind of heat resistant rubber and preparation method thereof
Technical field
The invention belongs to field of rubber technology, be specifically related to a kind of heat resistant rubber and preparation method thereof.
Background technology
At present, the structure of rubber conveyer belt generally comprise cover glue-line, intermedium rack-layer and under cover glue-line, this rubber conveyer belt, on cover glue-line and mostly be full cross-linked rubber, heat resisting temperature is about 150 DEG C, can only be used for carrying heat-resisting, wear-resisting less demanding material, and temperature of charge is higher than 150 DEG C, the upper strata of conveying belt is covered glue-line and will be produced and be clamminess, chap, and causes destroying.But in many industrial and mining enterprises, as iron and steel, cement production enterprise etc., the material that rubber conveyer belt will be carried has higher temperature, corrodibility and frictional force, therefore it is wear-resisting, high heat resistance can be extremely important, use existing rubber conveyer belt, high heat resistance can not reach requirement, and work-ing life is short.
Summary of the invention
Goal of the invention: the object of this invention is to provide the good rubber of a kind of resistance toheat, and preparation method thereof.Can be used for travelling belt.
Technical scheme: the invention provides a kind of heat resistant rubber, its formula contains: the two lauryl of chlorosulfonated polyethylene, white carbon black, aluminum oxide, magnesium oxide, zinc diethyldithiocarbamate, thio-2 acid, Zinic stearas, 2,2'-dithio-bis-benzothiazole, trioctyl trimellitate and the strong powder of magnesium.
Concrete, according to the mass fraction, fill a prescription is described heat resistant rubber: chlorosulfonated polyethylene 10 ~ 12 parts; White carbon black 1 ~ 1.5 part; 2 ~ 2.5 parts, aluminum oxide; 1 ~ 1.5 part, magnesium oxide; Zinc diethyldithiocarbamate 0.1 ~ 0.2 part; The two lauryl 0.1 ~ 0.2 part of thio-2 acid; Zinic stearas 0.05 ~ 0.1 part; 2,2'-dithio-bis-benzothiazole 0.2 ~ 0.5 part; Trioctyl trimellitate 0.5 ~ 1.5 part; 0.2 ~ 0.5 part, the strong powder of magnesium.
Further research, adds trithiocyanuric acid 0.01 ~ 0.05 part and 0.01 ~ 0.02 part, sulphur in formula.Better effects if.
Present invention also offers the preparation method of described heat resistant rubber:
By chlorosulfonated polyethylene, white carbon black, aluminum oxide, magnesium oxide, zinc diethyldithiocarbamate, the two lauryl of thio-2 acid, Zinic stearas, 2,2'-dithio-bis-benzothiazole, trioctyl trimellitate and the strong powder of magnesium put into Banbury mixer and carry out banburying, binder removal under glue temperature is the condition of 140 ~ 180 DEG C again after banburying terminates; And then add trithiocyanuric acid and sulphur, carry out mixing, after mixing end, be extrude in 80 ~ 100 DEG C in temperature, obtain heat resistant rubber.
Concrete, preparation method of the present invention is: by chlorosulfonated polyethylene 10 ~ 12 parts; White carbon black 1 ~ 1.5 part; 2 ~ 2.5 parts, aluminum oxide; 1 ~ 1.5 part, magnesium oxide; Zinc diethyldithiocarbamate 0.1 ~ 0.2 part; The two lauryl 0.1 ~ 0.2 part of thio-2 acid; Zinic stearas 0.05 ~ 0.1 part; 2,2'-dithio-bis-benzothiazole 0.2 ~ 0.5 part; Trioctyl trimellitate 0.5 ~ 1.5 part; 0.2 ~ 0.5 part, the strong powder of magnesium is put into Banbury mixer and is carried out banburying, binder removal under glue temperature is the condition of 160 DEG C again after banburying terminates; And then add trithiocyanuric acid 0.01 ~ 0.05 part and 0.01 ~ 0.02 part, sulphur, carry out mixing, after mixing end, be extrude in 80 ~ 100 DEG C in temperature, obtain heat resistant rubber.
Beneficial effect: heat resistant rubber provided by the present invention, has good thermotolerance, at high temperature, keeps original performance.Be applicable to the travelling belt of various handling equipment, also can be used for automobile travelling belt.
Embodiment:
Embodiment 1
Raw material: chlorosulfonated polyethylene 10.0kg; White carbon black 1.5kg; Aluminum oxide 2.0kg; Magnesium oxide 1.0kg; Zinc diethyldithiocarbamate 0.1kg; The two lauryl 0.2kg of thio-2 acid; Zinic stearas 0.1kg; 2,2'-dithio-bis-benzothiazole 0.5kg; Trithiocyanuric acid 0.05kg; Trioctyl trimellitate 1.5kg; The strong powder 0.5kg of magnesium; Sulphur 0.02kg;
Preparation method:
By the chlorosulfonated polyethylene in above-mentioned raw materials, white carbon black, aluminum oxide, magnesium oxide, zinc diethyldithiocarbamate, the two lauryl of thio-2 acid, Zinic stearas, 2,2'-dithio-bis-benzothiazole, trioctyl trimellitate and the strong powder of magnesium put into Banbury mixer and carry out banburying, binder removal under glue temperature is the condition of 160 DEG C again after banburying terminates, obtained master batch;
Obtained master batch being put into Banbury mixer, adds the trithiocyanuric acid in above-mentioned raw materials and sulphur, carry out mixing, after mixing end, is 80 DEG C in temperature, 90 DEG C, 90 DEG C, 100 DEG C, extrudes successively in the interval of 100 DEG C, obtained heat resistant rubber.
Embodiment 2
Raw material: chlorosulfonated polyethylene 10.0kg; White carbon black 1kg; Aluminum oxide 2.0kg; Magnesium oxide 1.5kg; Zinc diethyldithiocarbamate 0.1kg; The two lauryl 0.2kg of thio-2 acid; Zinic stearas 0.1kg; 2,2'-dithio-bis-benzothiazole 0.1kg; Trithiocyanuric acid 0.05kg; Trioctyl trimellitate 2kg; The strong powder 0.5kg of magnesium; Sulphur 0.02kg;
Preparation method:
By the chlorosulfonated polyethylene in above-mentioned raw materials, white carbon black, aluminum oxide, magnesium oxide, zinc diethyldithiocarbamate, the two lauryl of thio-2 acid, Zinic stearas, 2,2'-dithio-bis-benzothiazole, trioctyl trimellitate and the strong powder of magnesium put into Banbury mixer and carry out banburying, binder removal under glue temperature is the condition of 180 DEG C again after banburying terminates, obtained master batch;
Obtained master batch being put into Banbury mixer, adds the trithiocyanuric acid in above-mentioned raw materials and sulphur, carry out mixing, after mixing end, is 80 DEG C in temperature, 90 DEG C, 90 DEG C, 100 DEG C, extrudes successively in the interval of 100 DEG C, obtained heat resistant rubber.
Compared with General Purpose Rubber of the prior art, the resistance toheat of the rubber that the present embodiment obtains improves 60 percent.
220 DEG C, 50h resistance toheat contrast table
Tensile strength rate of descent Pull apart degradation rate Changes in hardness rate
General Purpose Rubber -15％ -16％ +5
Embodiment 1 -2％ -5％ +1
Embodiment 2 -8％ -10％ +3

Claims (5)

1. a heat resistant rubber, it is characterized in that, described heat resistant rubber formula contains: the two lauryl of chlorosulfonated polyethylene, white carbon black, aluminum oxide, magnesium oxide, zinc diethyldithiocarbamate, thio-2 acid, Zinic stearas, 2,2'-dithio-bis-benzothiazole, trioctyl trimellitate and the strong powder of magnesium.
2. heat resistant rubber as claimed in claim 1, it is characterized in that, according to the mass fraction, fill a prescription is described heat resistant rubber: chlorosulfonated polyethylene 10 ~ 12 parts; White carbon black 1 ~ 1.5 part; 2 ~ 2.5 parts, aluminum oxide; 1 ~ 1.5 part, magnesium oxide; Zinc diethyldithiocarbamate 0.1 ~ 0.2 part; The two lauryl 0.1 ~ 0.2 part of thio-2 acid; Zinic stearas 0.05 ~ 0.1 part; 2,2'-dithio-bis-benzothiazole 0.2 ~ 0.5 part; Trioctyl trimellitate 0.5 ~ 1.5 part; 0.2 ~ 0.5 part, the strong powder of magnesium.
3. heat resistant rubber as claimed in claim 2, is characterized in that in formula also containing trithiocyanuric acid 0.01 ~ 0.05 part and 0.01 ~ 0.02 part, sulphur.
4. the preparation method of heat resistant rubber as claimed in claim 3, is characterized in that carrying out as follows:
By chlorosulfonated polyethylene, white carbon black, aluminum oxide, magnesium oxide, zinc diethyldithiocarbamate, the two lauryl of thio-2 acid, Zinic stearas, 2,2'-dithio-bis-benzothiazole, trioctyl trimellitate and the strong powder of magnesium put into Banbury mixer and carry out banburying, binder removal under glue temperature is the condition of 140 ~ 180 DEG C again after banburying terminates; And then add trithiocyanuric acid and sulphur, carry out mixing, after mixing end, be extrude in 80 ~ 100 DEG C in temperature, obtain heat resistant rubber.
5. the preparation method of heat resistant rubber as claimed in claim 3, is characterized in that carrying out as follows:
By chlorosulfonated polyethylene 10 ~ 12 parts; White carbon black 1 ~ 1.5 part; 2 ~ 2.5 parts, aluminum oxide; 1 ~ 1.5 part, magnesium oxide; Zinc diethyldithiocarbamate 0.1 ~ 0.2 part; The two lauryl 0.1 ~ 0.2 part of thio-2 acid; Zinic stearas 0.05 ~ 0.1 part; 2,2'-dithio-bis-benzothiazole 0.2 ~ 0.5 part; Trioctyl trimellitate 0.5 ~ 1.5 part; 0.2 ~ 0.5 part, the strong powder of magnesium is put into Banbury mixer and is carried out banburying, binder removal under glue temperature is the condition of 160 DEG C again after banburying terminates; And then add trithiocyanuric acid 0.01 ~ 0.05 part and 0.01 ~ 0.02 part, sulphur, carry out mixing, after mixing end, be extrude in 80 ~ 100 DEG C in temperature, obtain heat resistant rubber.
CN201510500708.8A 2015-08-14 2015-08-14 Heat-resistant rubber and preparation method therefor Pending CN105237897A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105218958A (en) * 2015-08-19 2016-01-06 苏州国泰科技发展有限公司 Vehicle high-temperature resistant elastomeric material and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104292679A (en) * 2014-10-31 2015-01-21 柳州市中配橡塑配件制造有限公司 Preparation method for rubber for inner rubber layer of car power steering hose
CN104371201A (en) * 2014-10-31 2015-02-25 柳州市中配橡塑配件制造有限公司 Rubber for automobile power steering tube inner rubber linings

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104292679A (en) * 2014-10-31 2015-01-21 柳州市中配橡塑配件制造有限公司 Preparation method for rubber for inner rubber layer of car power steering hose
CN104371201A (en) * 2014-10-31 2015-02-25 柳州市中配橡塑配件制造有限公司 Rubber for automobile power steering tube inner rubber linings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105218958A (en) * 2015-08-19 2016-01-06 苏州国泰科技发展有限公司 Vehicle high-temperature resistant elastomeric material and preparation method thereof

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Application publication date: 20160113

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