CN105254840B - Polyurethane for preparing heavy burden tire and preparation method thereof - Google Patents

Polyurethane for preparing heavy burden tire and preparation method thereof Download PDF

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Publication number
CN105254840B
CN105254840B CN201510782614.4A CN201510782614A CN105254840B CN 105254840 B CN105254840 B CN 105254840B CN 201510782614 A CN201510782614 A CN 201510782614A CN 105254840 B CN105254840 B CN 105254840B
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component
tire
parts
heavy burden
polyurethane
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CN105254840A (en
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荆晓东
荣若贵
董伟
孙言丛
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ZIBO ZHENGDA POLYURETHANE Co Ltd
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ZIBO ZHENGDA POLYURETHANE Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4205—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups
    • C08G18/4208—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups
    • C08G18/4211—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols
    • C08G18/4213—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols from terephthalic acid and dialcohols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/50—Polyethers having heteroatoms other than oxygen
    • C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
    • C08G18/5024—Polyethers having heteroatoms other than oxygen having nitrogen containing primary and/or secondary amino groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
    • C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
    • C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
    • C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
    • 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
    • C08K5/54—Silicon-containing compounds
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond

Abstract

The present invention relates to polyurethane synthesis technical field, and in particular to a kind of to be used to prepare polyurethane of heavy burden tire and preparation method thereof.The polyurethane of the present invention for being used to prepare heavy burden tire, is 1 by parts by weight:12 component of A, B two is made：In terms of parts by weight, component A is as follows：PPG 550 1000, methyl diphenylene diisocyanate 200 500, plasticizer 200 650, catalyst 15, in terms of parts by weight, B component is as follows：Amine terminated polyether 50 450, PEPA 500 800, IPDI 200 500, crosslinking agent 20 150, ultra-violet absorber 0.1 1, antioxidant 15.Polyurethane wear resistant of the invention is good, tearing strength is high, bearing capacity is strong, density is low, and recycling is easy, will not cause environmental pollution；The preparation method of the present invention is simple and easy, it is easy to accomplish.

Description

Polyurethane for preparing heavy burden tire and preparation method thereof
Technical field
The present invention relates to polyurethane synthesis technical field, and in particular to it is a kind of be used for prepare heavy burden tire polyurethane and its Preparation method.
Background technology
Tire occupies highly important status in automobile component, and traditional rubber tyre has many defects, such as uses Short life, wear no resistance, tearing strength is poor, and bearing capacity is poor, density height etc..Especially bear a heavy burden tire, limited in one's ability because bearing a heavy burden, Frequently result in the generation for phenomenon of blowing out.In addition, rubber tyre can produce many waste materials in use, reclaimed after scrapping again sharp It is very big with difficulty, easily cause environmental pollution.
The content of the invention
It is an object of the invention to provide a kind of wearability is good, tearing strength is high, bearing capacity is strong, low density negative for preparing The polyurethane of roller tire, present invention simultaneously provides its preparation method.
The polyurethane of the present invention for being used to prepare heavy burden tire, is 1 by parts by weight:The 1-2 component system of A, B two Into：
In terms of parts by weight, component A is as follows：
In terms of parts by weight, B component is as follows：
Described PPG is the polyoxypropylene polyol that molecular weight is 8000.
Described plasticizer is diisononyl phthalate.
Described catalyst is organic zinc or organo-bismuth.
Described amine terminated polyether is the Amino End Group polyethylene glycol oxide ether that molecular weight is 4000.
The molecular weight of described PEPA is 3000, is condensed to yield by phthalic acid and propane diols, hydroxyl value for 360~ 400mgKOH/g。
Described crosslinking agent is tetraethyl orthosilicate.
Described ultra-violet absorber is UV531.
Described antioxidant is 1010.
Each component in the present invention is commercially available prod.
The described preparation method for being used to prepare the polyurethane of heavy burden tire, comprises the following steps：
(1) preparation of component A：
By PPG, plasticizer is added in reactor and stirred, and nitrogen displacement heats up 110-120 DEG C and is dehydrated 4-5 Hour, survey moisture and be less than 0.05%, cool to 80 DEG C, add methyl diphenylene diisocyanate, catalyst, 90 DEG C of stirrings 2-3 hours, during NCO content 3-6%, obtain component A；
(2) preparation of B component：
By amine terminated polyether, PEPA, crosslinking agent is added in reactor and stirred, nitrogen displacement heating 110- 120 DEG C of dehydration 4-5 hours, survey moisture and be less than 0.05%, cool to 80 DEG C, sequentially add IPDI, Antioxidant, ultra-violet absorber, 90 DEG C stir, and during NCO content 7-10%, obtain B component；
In use, component A and B component are well mixed at 40-50 DEG C, 40 DEG C of vulcanizations.
Beneficial effects of the present invention are as follows：
Polyurethane wear resistant of the invention is good, tearing strength is high, bearing capacity is strong, density is low, and recycling is easy, will not Cause environmental pollution；The preparation method of the present invention is simple and easy, it is easy to accomplish.
Embodiment
The present invention is described further with reference to embodiments.
Embodiment 1
The preparation of component A：By 600 parts of PPG, 350 parts of plasticizer, which are added in reactor, to stir, nitrogen 110 DEG C of displacement heating is dehydrated 5 hours, is surveyed moisture 0.035%, is cooled to 80 DEG C, and it is different to add 225 parts of diphenyl methane two Cyanate, 2.5 parts of organozinc catalyst, 90 DEG C are stirred 3 hours, when test sample chemically examines NCO content 4.5%, obtain component A；It is close Envelope preserves.
The preparation of B component：
By 150 parts of amine terminated polyether, 600 parts of PEPA, 50 parts of crosslinking agent, add in reactor and stir Even, nitrogen displacement heats up 110 DEG C and is dehydrated 5 hours, surveys moisture 0.03%, cools to 80 DEG C, sequentially add 300 parts of different Buddhist That ketone diisocyanate, 3 parts of antioxidant, 0.1 part of ultra-violet absorber, 90 DEG C stir, test sample chemical examination NCO content 8.2%, obtain B component；It is sealed.
In use, by component A and B component according to parts by weight 1:2, it is well mixed at 45 DEG C, 40 DEG C of vulcanizations obtain into Product.
Embodiment 2
The preparation of component A：By 700 parts of PPG, 450 parts of plasticizer, which are added in reactor, to stir, nitrogen 115 DEG C of displacement heating is dehydrated 5 hours, is surveyed moisture 0.034%, is cooled to 80 DEG C, and it is different to add 300 parts of diphenyl methane two Cyanate, 3.5 parts of organozinc catalyst, 90 DEG C are stirred 3 hours, when test sample chemically examines NCO content 4.9%, obtain component A；It is close Envelope preserves.
The preparation of B component：
By 190 parts of amine terminated polyether, 625 parts of PEPA, 100 parts of crosslinking agent, add in reactor and stir Uniformly, nitrogen displacement heats up 115 DEG C and is dehydrated 5 hours, surveys moisture 0.03%, cools to 80 DEG C, sequentially adds 370 parts different Isophorone diisocyanate, 3.5 parts of antioxidant, 0.7 part of ultra-violet absorber, 90 DEG C stir, test sample chemical examination NCO Content 8%, obtains B component；It is sealed.
In use, by component A and B component according to parts by weight 1:1, it is well mixed at 40 DEG C, 40 DEG C of vulcanizations obtain into Product.
Embodiment 3
The preparation of component A：By 900 parts of PPG, 550 parts of plasticizer, which are added in reactor, to stir, nitrogen 120 DEG C of displacement heating is dehydrated 5 hours, is surveyed moisture 0.037%, is cooled to 80 DEG C, and it is different to add 450 parts of diphenyl methane two Cyanate, 4 parts of organozinc catalyst, 90 DEG C are stirred 3 hours, when test sample chemically examines NCO content 5.5%, obtain component A；Sealing Preserve.
The preparation of B component：
By 380 parts of amine terminated polyether, 700 parts of PEPA, 120 parts of crosslinking agent, add in reactor and stir Uniformly, nitrogen displacement heats up 120 DEG C and is dehydrated 5 hours, surveys moisture 0.03%, cools to 80 DEG C, sequentially adds 400 parts different Isophorone diisocyanate, 4 parts of antioxidant, 0.5 part of ultra-violet absorber, 90 DEG C stir, and test sample chemical examination NCO contains Amount 7.5%, obtains B component；It is sealed.
In use, by component A and B component according to parts by weight 1:1, it is well mixed at 50 DEG C, 40 DEG C of vulcanizations obtain into Product.
Embodiment 1-3 product, is detected according to national standard, and performance parameter index is as shown in table 1.
The performance parameter index table of table 1
Project Embodiment 1 Embodiment 2 Embodiment 3
Density Kg/m3 54 55 58
25% indentation force deflection N 201 205 210
Tensile strength MPa 0.29 0.31 0.27
Tearing strength KN/m 0.45 0.40 0.42

Claims (6)

1. a kind of be used to prepare the polyurethane of heavy burden tire, it is characterised in that by parts by weight is 1:The 1-2 component system of A, B two Into：
In terms of parts by weight, component A is as follows：
PPG 550-1000
Methyl diphenylene diisocyanate 200-500
Plasticizer 200-650
Catalyst 1-5
In terms of parts by weight, B component is as follows：
Amine terminated polyether 50-450
PEPA 500-800
IPDI 200-500
Crosslinking agent 20-150
Ultra-violet absorber 0.1-1
Antioxidant 1-5；
PPG is the polyoxypropylene polyol that molecular weight is 8000；
Amine terminated polyether is the Amino End Group polyethylene glycol oxide ether that molecular weight is 4000；
The molecular weight of PEPA is 3000, is condensed to yield by phthalic acid and propane diols, hydroxyl value is 360~400mgKOH/ g；
Crosslinking agent is tetraethyl orthosilicate.
2. the polyurethane according to claim 1 for being used to prepare heavy burden tire, it is characterised in that：Plasticizer is O-phthalic Sour dinonyl.
3. the polyurethane according to claim 1 for being used to prepare heavy burden tire, it is characterised in that：Catalyst be organic zinc or Organo-bismuth.
4. the polyurethane according to claim 1 for being used to prepare heavy burden tire, it is characterised in that：Ultra-violet absorber is UV531。
5. the polyurethane according to claim 1 for being used to prepare heavy burden tire, it is characterised in that：Antioxidant is 1010.
6. the preparation method for being used to prepare the polyurethane of heavy burden tire described in a kind of one of claim 1-5, it is characterised in that Comprise the following steps：
（1）The preparation of component A：
By PPG, plasticizer is added in reactor and stirred, and nitrogen displacement heats up 110-120 DEG C of dehydration 4-5 hour, Survey moisture is less than 0.05%, cools to 80 DEG C, addition methyl diphenylene diisocyanate, catalyst, and 90 DEG C of stirring 2-3 are small When, during NCO content 3-6%, obtain component A；
（2）The preparation of B component：
By amine terminated polyether, PEPA, crosslinking agent is added in reactor and stirred, and nitrogen displacement heats up 110-120 DEG C 4-5 hours are dehydrated, moisture is surveyed and is less than 0.05%, cool to 80 DEG C, sequentially add IPDI, it is anti-oxidant Agent, ultra-violet absorber, 90 DEG C stir, and during NCO content 7-10%, obtain B component；
In use, component A and B component are well mixed at 40-50 DEG C, 40 DEG C of vulcanizations.
CN201510782614.4A 2015-11-13 2015-11-13 Polyurethane for preparing heavy burden tire and preparation method thereof Active CN105254840B (en)

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Publication number Priority date Publication date Assignee Title
CN108973534A (en) * 2018-07-20 2018-12-11 滁州市玉林聚氨酯有限公司 A kind of suction ground antiskid polyurethane tire and preparation method thereof
CN109293864B (en) * 2018-09-30 2021-08-06 山东一诺威新材料有限公司 Preparation method of polyurethane elastomer for preventing tire from being punctured and explosion
CN110343228B (en) * 2019-07-25 2021-08-06 江苏瑞文新材料科技有限公司 Waterproof rapid repair material for cable sheath and application thereof
CN110372842A (en) * 2019-07-30 2019-10-25 青岛双星轮胎工业有限公司 Non-inflatable tyre formula with fluorescent effect and preparation method thereof
CN113512174A (en) * 2021-06-02 2021-10-19 宁波宝亭生物科技有限公司 Two-component polyurethane composition and preparation method and application thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102070766A (en) * 2010-12-27 2011-05-25 沈阳化工大学 Method for preparing novel polyether-polyester polyurethane material
CN104497252A (en) * 2014-12-11 2015-04-08 淄博德信联邦化学工业有限公司 Polyurethane for making solid tires and preparation method thereof

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RU2010143889A (en) * 2008-03-28 2012-05-10 Байер МатириальСайенс АГ (DE) ISOCYANATE MIXTURES BASED ON 2,2-DIISOCIANATODIPHENYLMETHANE, THEIR PRODUCTION AND APPLICATION

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102070766A (en) * 2010-12-27 2011-05-25 沈阳化工大学 Method for preparing novel polyether-polyester polyurethane material
CN104497252A (en) * 2014-12-11 2015-04-08 淄博德信联邦化学工业有限公司 Polyurethane for making solid tires and preparation method thereof

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