CN106220814A - Polyurethane elastomer antifreezing faucet and preparation method thereof - Google Patents

Polyurethane elastomer antifreezing faucet and preparation method thereof Download PDF

Info

Publication number
CN106220814A
CN106220814A CN201610576137.0A CN201610576137A CN106220814A CN 106220814 A CN106220814 A CN 106220814A CN 201610576137 A CN201610576137 A CN 201610576137A CN 106220814 A CN106220814 A CN 106220814A
Authority
CN
China
Prior art keywords
polyether polyol
polyurethane elastomer
antifreezing faucet
fixing nut
preparation
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.)
Pending
Application number
CN201610576137.0A
Other languages
Chinese (zh)
Inventor
荆晓东
耿佃勇
董伟
王帅
马炎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zibo Dexin Lianbang Chemical Industry Co Ltd
Original Assignee
Zibo Dexin Lianbang Chemical Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zibo Dexin Lianbang Chemical Industry Co Ltd filed Critical Zibo Dexin Lianbang Chemical Industry Co Ltd
Priority to CN201610576137.0A priority Critical patent/CN106220814A/en
Publication of CN106220814A publication Critical patent/CN106220814A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • 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
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
    • C08G18/6685—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus

Landscapes

  • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention belongs to polyurethane product technical field, be specifically related to a kind of polyurethane elastomer antifreezing faucet and preparation method thereof.Described antifreezing faucet, is combined by copper spool, irony handle, tap shell and fixing nut, and described tap shell and fixing nut are made up of the raw material of following parts by weight: polyether polyol A48～79 parts；Polyether polyol B4～9 parts；Vulcanizing agent 8～19 parts；Catalyst 0.1～0.6 part；Polyisocyanates 15～40 parts；Wherein, polyether polyol A uses degree of functionality to be 1.5～2.5, and molecular weight is the polyether polyol of 500～1500；Polyether polyol B uses degree of functionality to be 1.5～2.5, and molecular weight is the polyether polyol of 300～500.Described antifreezing faucet, has good resistance to low temperature, good resistance to water, the good coefficient of expansion, good anti-wear performance；Described preparation method, simple easily enforcement.

Description

Polyurethane elastomer antifreezing faucet and preparation method thereof
Technical field
The invention belongs to polyurethane product technical field, be specifically related to a kind of polyurethane elastomer antifreezing faucet and system thereof Preparation Method.
Background technology
Faucet is as necessary, and its processing technology relative maturity, simple in construction, stable performance, traditional faucet is many Make for materials such as rustless steel, cast iron or PVC duroplastss.But at cold northern area, winter, outdoor temperature was relatively low, outdoor Usually owing to the icing volumetric expansion of water is by faucet bursting by freezing, cause faucet to be scrapped, cause water resource waste, frequently change water Dragon first order issue.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of polyurethane elastomer antifreezing faucet, have Good resistance to low temperature, resistance to water, the coefficient of expansion, anti-wear performance, it is possible to season oneself to cold the area long-term freeze thawing of faucet, leaching Bubble, the working characteristics repeatedly rubbed；Present invention simultaneously provides its preparation method.
Polyurethane elastomer antifreezing faucet of the present invention, by copper spool, irony handle, tap shell and solid Determining nut to combine, described tap shell and fixing nut are made up of the raw material of following parts by weight:
Wherein,
Polyether polyol A uses degree of functionality to be 1.5～2.5, and molecular weight is the polyether polyol of 500～1500；The most black The DDL-1000D that the federal chemical Industrial Co., Ltd of Boulder letter produces, moderate by the product hardness of this kind of polyethers, stretching tear Intensity is preferable；
Polyether polyol B uses degree of functionality to be 1.5～2.5, and molecular weight is the polyether polyol of 300～500；Preferably sense Degree is 2, and molecular weight is the polyether polyol of 400；The DDL-that more preferably Zibo moral letter federal chemistry Industrial Co., Ltd produces 400, higher by the product hardness of this kind of polyethers, deformation is less.
Described vulcanizing agent is MOCA.This kind of vulcanizing agent improves product hardness, tear resistance.
Described catalyst is CUCAT HA, Guangzhou You Run synthetic material company limited provide.This catalyst can balance Reaction rate, improves hardening time, improves production efficiency.
Described polyisocyanates is MDI-50.By Yantai, Wanhua Chemical Group Co., Ltd. provides, this kind of polyisocyanate Cyanate improves product modulus, and cryogenic property is strong.
The preparation method of described polyurethane elastomer antifreezing faucet, comprises the following steps:
(1) heat up 105～115 DEG C of vacuum dehydrations 1.5～2.5 hours by polyether polyol A, is cooled to 20～30 DEG C, adds Enter polyisocyanates, after being warming up to 80～85 DEG C of reactions 2～3 hours, be cooled to less than 50 DEG C, add catalyst mix homogeneously, Obtain performed polymer, seal standby；
(2) vulcanizing agent is heated to 110～130 DEG C to be dissolved in polyether polyol B, mix homogeneously, obtains compound；
(3) by performed polymer, mixed material heating to 70～90 DEG C, after mixing, pour mould into, 110～130 DEG C of pressing molds 0.2～ 0.3 hour, demoulding after cure, obtain tap shell and fixing nut；
(4) copper spool, irony handle are assembled with tap shell, fixing nut, obtain product.
Wherein:
Described sulfuration, curing temperature is 90～110 DEG C, and cure time is 2～4 hours.
-NCO the mass content of described performed polymer is 3～17%, and this scope can be given and be ensured that hardening time is short, and product is hard Degree height.
Compared with prior art, beneficial effects of the present invention is as follows:
(1) the polyurethane elastomer antifreezing faucet that prepared by the present invention, has good resistance to low temperature, good water-fast Property, the good coefficient of expansion, good anti-wear performance, it is possible to season oneself to cold area the long-term freeze thawing of faucet, immersion, repeatedly rub Working characteristics.
(2) polyurethane elastomer material is applied to faucet making by the present invention, solves faucet bursting by freezing and cannot make Problem.
(3) the material composition safety of present invention employing, organic solvent-free, is applied to drinking water material health, safety.
(4) preparation method of the present invention, simple easily enforcement.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described.
Embodiment 1
Described polyurethane elastomer antifreezing faucet, by copper spool, irony handle, tap shell and fixing nut Combining, described tap shell and fixing nut are made up of the raw material of following parts by weight:
Its preparation method is as follows:
(1) heat up 110 DEG C of vacuum dehydrations 2 hours by polyether polyol DDL-1000D, is cooled to 25 DEG C, adds many isocyanides Acid esters MDI-50, after being warming up to 82 DEG C of reactions 2.5 hours, is cooled to 45 DEG C, adds catalyst CUCAT HA mix homogeneously, obtain pre- Aggressiveness, seals standby；
(2) vulcanizing agent MOCA is heated to 120 DEG C to be dissolved in polyether polyol DDL-400, mix homogeneously, obtains mixing Material；
(3) by performed polymer, mixed material heating to 80 DEG C, pouring mould after mixing into, 120 DEG C of pressing molds 0.25 hour, after the demoulding Sulfuration, obtains tap shell and fixing nut；
(4) copper spool, irony handle are assembled with tap shell, fixing nut, obtain product.
Described sulfuration, curing temperature is 100 DEG C, and cure time is 3 hours.
-NCO the mass content of described performed polymer is 10%.
Above-mentioned formulation material being prepared as polyurethane elastomer, tests elastomer performance, test result is shown in Table 1.
Elastic polyurethane preparation is as follows:
After the performed polymer prepared by step (1) method is separately heated to 80 DEG C with vulcanizing agent MOCA, mix and blend Uniformly, pouring mould, heated die 2 hours into, after the demoulding, 110 DEG C vulcanize 2 hours, i.e. prepare detection sample.
Table 1 test result
Embodiment 2
Described polyurethane elastomer antifreezing faucet, by copper spool, irony handle, tap shell and fixing nut Combining, described tap shell and fixing nut are made up of the raw material of following parts by weight:
Its preparation method is as follows:
(1) heat up 105 DEG C of vacuum dehydrations 1.5 hours by polyether polyol DDL-1000D, is cooled to 20 DEG C, adds polyisocyanate Cyanate MDI-50, after being warming up to 80 DEG C of reactions 2 hours, is cooled to 40 DEG C, adds catalyst CUCAT HA mix homogeneously, obtain pre- Aggressiveness, seals standby；
(2) vulcanizing agent MOCA is heated to 110 DEG C to be dissolved in polyether polyol DDL-400, mix homogeneously, obtains mixing Material；
(3) by performed polymer, mixed material heating to 70 DEG C, mould after mixing, is poured into, 110 DEG C of pressing molds 0.2 hour, sulfur after the demoulding Change, obtain tap shell and fixing nut；
(4) copper spool, irony handle are assembled with tap shell, fixing nut, obtain product.
Described sulfuration, curing temperature is 90 DEG C, and cure time is 2 hours.
-NCO the mass content of described performed polymer is 3%.
Above-mentioned formulation material being prepared as polyurethane elastomer, tests elastomer performance, test result is shown in Table 2.
Elastic polyurethane preparation is as follows:
After the performed polymer prepared by step (1) method is separately heated to 80 DEG C with vulcanizing agent MOCA, mix and blend Uniformly, pouring mould, heated die 2 hours into, after the demoulding, 110 DEG C vulcanize 2 hours, i.e. prepare detection sample.
Table 2 test result
Embodiment 3
Described polyurethane elastomer antifreezing faucet, by copper spool, irony handle, tap shell and fixing nut Combining, described tap shell and fixing nut are made up of the raw material of following parts by weight:
Its preparation method is as follows:
(1) heat up 115 DEG C of vacuum dehydrations 2.5 hours by polyether polyol DDL-1000D, is cooled to 30 DEG C, adds polyisocyanate Cyanate MDI-50, after being warming up to 85 DEG C of reactions 3 hours, is cooled to 50 DEG C, adds catalyst CUCAT HA mix homogeneously, obtain pre- Aggressiveness, seals standby；
(2) vulcanizing agent MOCA is heated to 130 DEG C to be dissolved in polyether polyol DDL-400, mix homogeneously, obtains mixing Material；
(3) by performed polymer, mixed material heating to 90 DEG C, mould after mixing, is poured into, 130 DEG C of pressing molds 0.3 hour, sulfur after the demoulding Change, obtain tap shell and fixing nut；
(4) copper spool, irony handle are assembled with tap shell, fixing nut, obtain product.
Described sulfuration, curing temperature is 110 DEG C, and cure time is 4 hours.
-NCO the mass content of described performed polymer is 17%.
Above-mentioned formulation material being prepared as polyurethane elastomer, tests elastomer performance, test result is shown in Table 3.
Elastic polyurethane preparation is as follows:
The performed polymer prepared by step (1) method and vulcanizing agent MOCA are separately heated to 80 DEG C, after 120 DEG C, mixed Conjunction stirs, and pours mould, heated die 2 hours into, and after the demoulding, 110 DEG C vulcanize 2 hours, i.e. prepare detection sample.
Table 3 test result

Claims (7)

1. a polyurethane elastomer antifreezing faucet, it is characterised in that: by copper spool, irony handle, tap shell and Fixing nut combines, and described tap shell and fixing nut are made up of the raw material of following parts by weight:
Wherein,
Polyether polyol A uses degree of functionality to be 1.5～2.5, and molecular weight is the polyether polyol of 500～1500；
Polyether polyol B uses degree of functionality to be 1.5～2.5, and molecular weight is the polyether polyol of 300～500.
Polyurethane elastomer antifreezing faucet the most according to claim 1, it is characterised in that: described vulcanizing agent is MOCA。
Polyurethane elastomer antifreezing faucet the most according to claim 1, it is characterised in that: described catalyst is CUCATHA。
Polyurethane elastomer antifreezing faucet the most according to claim 1, it is characterised in that: described polyisocyanates is MDI-50。
5. the preparation method of the arbitrary described polyurethane elastomer antifreezing faucet of claim 1-4, it is characterised in that: bag Include following steps:
(1) heat up 105～115 DEG C of vacuum dehydrations 1.5～2.5 hours by polyether polyol A, is cooled to 20～30 DEG C, and addition is many Isocyanates, after being warming up to 80～85 DEG C of reactions 2～3 hours, is cooled to less than 50 DEG C, adds catalyst mix homogeneously, obtain pre- Aggressiveness, seals standby；
(2) vulcanizing agent is heated to 110～130 DEG C to be dissolved in polyether polyol B, mix homogeneously, obtains compound；
(3) by performed polymer, mixed material heating to 70～90 DEG C, pouring mould after mixing into, 110～130 DEG C of pressing molds 0.2～0.3 are little Time, demoulding after cure, obtain tap shell and fixing nut；
(4) copper spool, irony handle are assembled with tap shell, fixing nut, obtain product.
The preparation method of polyurethane elastomer antifreezing faucet the most according to claim 5, it is characterised in that: described sulfur Changing, curing temperature is 90～110 DEG C, and cure time is 2～4 hours.
The preparation method of polyurethane elastomer antifreezing faucet the most according to claim 5, it is characterised in that: described is pre- -NCO the mass content of aggressiveness is 3～17%.
CN201610576137.0A 2016-07-21 2016-07-21 Polyurethane elastomer antifreezing faucet and preparation method thereof Pending CN106220814A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610576137.0A CN106220814A (en) 2016-07-21 2016-07-21 Polyurethane elastomer antifreezing faucet and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610576137.0A CN106220814A (en) 2016-07-21 2016-07-21 Polyurethane elastomer antifreezing faucet and preparation method thereof

Publications (1)

Publication Number Publication Date
CN106220814A true CN106220814A (en) 2016-12-14

Family

ID=57531870

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610576137.0A Pending CN106220814A (en) 2016-07-21 2016-07-21 Polyurethane elastomer antifreezing faucet and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106220814A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106750102A (en) * 2017-02-24 2017-05-31 耿佃勇 Polyurethane elastomer stirring set and preparation method thereof
CN106832193A (en) * 2017-02-24 2017-06-13 耿佃勇 Polyurethane elastomer variable flow gear pump and preparation method thereof
CN107828037A (en) * 2017-11-06 2018-03-23 东莞市雄林新材料科技股份有限公司 A kind of TPU materials available for drinking-water pipe and preparation method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090020177A1 (en) * 2006-05-26 2009-01-22 Masco Corporation Of Indiana Valve mounting assembly
CN102155577A (en) * 2011-02-28 2011-08-17 厦门建霖工业有限公司 Faucet filled with anti-impact high-dense elastomer material and preparation method of faucet
CN102155576A (en) * 2011-02-28 2011-08-17 厦门建霖工业有限公司 Reinforced-type metal-like plastic water tap and manufacturing method thereof
CN102226479A (en) * 2011-03-31 2011-10-26 厦门建霖工业有限公司 Enhanced faucet and preparation method thereof
CN104974330A (en) * 2015-06-25 2015-10-14 淄博德信联邦化学工业有限公司 Preparation method of polyurethane heating radiator
CN105384904A (en) * 2015-12-24 2016-03-09 京嘉联创（北京）新材料技术有限公司 Seismic isolation and reduction polyurethane resin and preparation and application method thereof
CN105461877A (en) * 2015-12-21 2016-04-06 中国科学院山西煤炭化学研究所 Synthetic method of thermocuring polyurethane elastomer composite material for sealing materials

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090020177A1 (en) * 2006-05-26 2009-01-22 Masco Corporation Of Indiana Valve mounting assembly
CN102155577A (en) * 2011-02-28 2011-08-17 厦门建霖工业有限公司 Faucet filled with anti-impact high-dense elastomer material and preparation method of faucet
CN102155576A (en) * 2011-02-28 2011-08-17 厦门建霖工业有限公司 Reinforced-type metal-like plastic water tap and manufacturing method thereof
CN102226479A (en) * 2011-03-31 2011-10-26 厦门建霖工业有限公司 Enhanced faucet and preparation method thereof
CN104974330A (en) * 2015-06-25 2015-10-14 淄博德信联邦化学工业有限公司 Preparation method of polyurethane heating radiator
CN105461877A (en) * 2015-12-21 2016-04-06 中国科学院山西煤炭化学研究所 Synthetic method of thermocuring polyurethane elastomer composite material for sealing materials
CN105384904A (en) * 2015-12-24 2016-03-09 京嘉联创（北京）新材料技术有限公司 Seismic isolation and reduction polyurethane resin and preparation and application method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈华辉等: "《耐磨材料引用手册》", 31 October 2012, 机械工业出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106750102A (en) * 2017-02-24 2017-05-31 耿佃勇 Polyurethane elastomer stirring set and preparation method thereof
CN106832193A (en) * 2017-02-24 2017-06-13 耿佃勇 Polyurethane elastomer variable flow gear pump and preparation method thereof
CN107828037A (en) * 2017-11-06 2018-03-23 东莞市雄林新材料科技股份有限公司 A kind of TPU materials available for drinking-water pipe and preparation method thereof

Similar Documents

Publication Publication Date Title
CN106220814A (en) Polyurethane elastomer antifreezing faucet and preparation method thereof
CN102766449B (en) Low-temperature crosslinking promoter for polyacrylamide and water-soluble phenolic resin
CN101735627B (en) Waterproof material and preparation method thereof
CN107298958A (en) A kind of epoxyn for being applied to moist and underwater environment
CN102558496B (en) Room temperature solidification polyurethane elastomer combination
CN110746564B (en) Combined polyether for ocean buoy, polyurethane raw material composition, polyurethane foam and preparation method thereof
CN102051054B (en) Method for preparing high polymer waterproof sheet
CN103965643A (en) Cold mixing material of epoxy composite emulsified asphalt
CN103435777B (en) Polyurethane engineering tire for mine use and preparation method thereof
CN104974330A (en) Preparation method of polyurethane heating radiator
CN102040824B (en) Cast polyurethane elastomer composition for fashion model
CN102888182B (en) Modified nylon 1012 powder coating and preparation method thereof
Zhou et al. Unraveling a path for multi-cycle recycling of tailored fiber-reinforced vitrimer composites
CN109369875A (en) A kind of thermoplastic polyurethane and preparation method thereof
CN105199654A (en) Two-component polyurethane construction sealant
JP2019518130A (en) Solution Polymerized Styrene-Butadiene Rubber-Polyurethane Elastomer Material And Method For High Performance Tires
CN104262565B (en) A kind of microporous polyurethane elastic movement field material prescription and preparation method thereof
CN109438665A (en) With the method for toluene di-isocyanate(TDI) room temperature curing synthesis of polyurethane elastomer
CN103834163B (en) Foamed polyurethane modified MC nylon matrix material and preparation method thereof
CN106188468A (en) Polyurethane elastomer antifreezing water pipe liner and preparation method thereof
CN104559136A (en) Alumina/polyurethane/epoxy resin heat-conducting composite material and preparation method thereof
CN104891881B (en) A composite nanometer thermal insulation material and a preparing method thereof
CN117143436B (en) Epoxy resin composition, carbon fiber product, impeller, and preparation method and application of impeller
CN103062516B (en) Polymer alloy composite cement water supply pipe and manufacture method thereof
CN104559731B (en) A kind of waterproof paint composition

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20161214

RJ01 Rejection of invention patent application after publication