CN110885420A - Foam filling agent capable of being rapidly cured in low-temperature environment - Google Patents

Foam filling agent capable of being rapidly cured in low-temperature environment Download PDF

Info

Publication number
CN110885420A
CN110885420A CN201911219017.5A CN201911219017A CN110885420A CN 110885420 A CN110885420 A CN 110885420A CN 201911219017 A CN201911219017 A CN 201911219017A CN 110885420 A CN110885420 A CN 110885420A
Authority
CN
China
Prior art keywords
parts
agent
foaming
temperature environment
polyurethane
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
CN201911219017.5A
Other languages
Chinese (zh)
Inventor
郭朝辉
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.)
GUNUO (TIANJIN) INDUSTRIAL Co Ltd
Original Assignee
GUNUO (TIANJIN) INDUSTRIAL 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 GUNUO (TIANJIN) INDUSTRIAL Co Ltd filed Critical GUNUO (TIANJIN) INDUSTRIAL Co Ltd
Priority to CN201911219017.5A priority Critical patent/CN110885420A/en
Publication of CN110885420A publication Critical patent/CN110885420A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30Low-molecular-weight compounds
    • C08G18/38Low-molecular-weight compounds having heteroatoms other than oxygen
    • C08G18/3855Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
    • C08G18/3876Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing mercapto groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/63Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/6552Compounds of group C08G18/63
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0014Use of organic additives
    • C08J9/0019Use of organic additives halogenated
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2101/00Manufacture of cellular products
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04Polyurethanes

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)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a foam filling agent capable of being rapidly cured in a low-temperature environment, which is prepared from the following raw materials in parts by weight: the invention adopts olefin block copolymer, polyurethane, foaming agent, chlorinated paraffin, modified mercaptan curing agent, stabilizing agent, accelerating agent, coupling agent, catalyst, foaming auxiliary agent and halogen-free flame retardant, and adopts scientific formula olefin block copolymer, polyurethane, foaming agent, chlorinated paraffin, modified mercaptan curing agent, stabilizing agent and the like, and the foam filler with low-temperature environment fast curing is prepared by scientific component proportion and the preparation method of the invention.

Description

Foam filling agent capable of being rapidly cured in low-temperature environment
Technical Field
The invention relates to the field of foaming agents, in particular to a foam filling agent capable of being rapidly solidified in a low-temperature environment.
Background
The polyurethane FOAM filling agent is called single-component polyurethane FOAM joint mixture commonly called foaming agent, foaming glue and PU joint mixture, and the English PU FOAM is a product of cross combination of aerosol technology and polyurethane FOAM technology. The polyurethane foaming agent is a special polyurethane product which is filled with components such as polyurethane prepolymer, foaming agent, catalyst and the like in a pressure-resistant aerosol can. When the material is sprayed from the aerosol canister, the foamed polyurethane material expands rapidly and reacts with air or moisture in the contacted substrate to form a foam.
The curing efficiency of the existing foam filler under the low-temperature condition is low, and the whole foam filler is difficult to meet the filling operation under the low-temperature condition.
Disclosure of Invention
The present invention aims to overcome the above-mentioned shortcomings and provide a technical solution to solve the above-mentioned problems.
A foam filler capable of being rapidly cured in a low-temperature environment is composed of the following raw materials in parts by weight: 20-40 parts of olefin block copolymer, 50-80 parts of polyurethane, 20-50 parts of foaming agent, 5-25 parts of chlorinated paraffin, 15-20 parts of modified mercaptan curing agent, 0.1-2 parts of stabilizer, 0.5-10 parts of accelerator, 1-3 parts of coupling agent, 3-7 parts of catalyst, 5-10 parts of foaming auxiliary agent and 2-5 parts of halogen-free flame retardant.
As a further scheme of the invention: the foam filler capable of being rapidly cured in a low-temperature environment is prepared from the following raw materials in parts by weight: 20 parts of olefin block copolymer, 50 parts of polyurethane, 20 parts of foaming agent, 5 parts of chlorinated paraffin, 15 parts of modified mercaptan curing agent, 0.1 part of stabilizer, 0.5 part of accelerator, 1 part of coupling agent, 3 parts of catalyst, 5 parts of foaming auxiliary agent and 2 parts of halogen-free flame retardant.
As a further scheme of the invention: the foam filler capable of being rapidly cured in a low-temperature environment is prepared from the following raw materials in parts by weight: 40 parts of olefin block copolymer, 80 parts of polyurethane, 50 parts of foaming agent, 25 parts of chlorinated paraffin, 20 parts of modified mercaptan curing agent, 2 parts of stabilizing agent, 10 parts of accelerator, 3 parts of coupling agent, 7 parts of catalyst, 10 parts of foaming auxiliary agent and 5 parts of halogen-free flame retardant.
As a further scheme of the invention: the foam filler capable of being rapidly cured in a low-temperature environment is prepared from the following raw materials in parts by weight: 30 parts of olefin block copolymer, 60 parts of polyurethane, 30 parts of foaming agent, 20 parts of chlorinated paraffin, 16 parts of modified mercaptan curing agent, 1 part of stabilizer, 6 parts of accelerator, 2 parts of coupling agent, 5 parts of catalyst, 6 parts of foaming auxiliary agent and 3 parts of halogen-free flame retardant.
As a further scheme of the invention: the preparation method of the foam filler capable of being rapidly cured in a low-temperature environment specifically comprises the following steps,
s1, firstly, stirring, mixing and mixing an olefin block copolymer, polyurethane, a foaming agent, chlorinated paraffin and a modified mercaptan curing agent in proportion, then using an aerosol pipe device to fill the uniformly mixed materials into a premixing tank, pressing a top cover and a bottom cover, and shaking uniformly;
s2, weighing the stabilizer, the accelerator, the coupling agent, the catalyst, the foaming auxiliary agent and the halogen-free flame retardant, stirring, mixing and adding into a premixing tank to obtain the foaming filler.
The invention has the beneficial effects that: the invention adopts olefin block copolymer, polyurethane, foaming agent, chlorinated paraffin, modified mercaptan curing agent, stabilizing agent and the like with scientific formula, and prepares the foam filling agent with quick curing in low temperature environment through scientific component proportion and the preparation method of the invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In embodiment 1 of the present invention, a foam filler capable of being rapidly cured in a low temperature environment is composed of the following raw materials in parts by weight: 20-40 parts of olefin block copolymer, 50-80 parts of polyurethane, 20-50 parts of foaming agent, 5-25 parts of chlorinated paraffin, 15-20 parts of modified mercaptan curing agent, 0.1-2 parts of stabilizer, 0.5-10 parts of accelerator, 1-3 parts of coupling agent, 3-7 parts of catalyst, 5-10 parts of foaming auxiliary agent and 2-5 parts of halogen-free flame retardant.
A preparation method of a foam filling agent capable of being rapidly solidified in a low-temperature environment specifically comprises the following steps,
s1, firstly, stirring, mixing and mixing an olefin block copolymer, polyurethane, a foaming agent, chlorinated paraffin and a modified mercaptan curing agent in proportion, then using an aerosol pipe device to fill the uniformly mixed materials into a premixing tank, pressing a top cover and a bottom cover, and shaking uniformly;
s2, weighing the stabilizer, the accelerator, the coupling agent, the catalyst, the foaming auxiliary agent and the halogen-free flame retardant, stirring, mixing and adding into a premixing tank to obtain the foaming filler.
In embodiment 2 of the present invention, a foam filler capable of being rapidly cured in a low temperature environment is composed of the following raw materials in parts by weight: 20 parts of olefin block copolymer, 50 parts of polyurethane, 20 parts of foaming agent, 5 parts of chlorinated paraffin, 15 parts of modified mercaptan curing agent, 0.1 part of stabilizer, 0.5 part of accelerator, 1 part of coupling agent, 3 parts of catalyst, 5 parts of foaming auxiliary agent and 2 parts of halogen-free flame retardant.
A preparation method of a foam filling agent capable of being rapidly solidified in a low-temperature environment specifically comprises the following steps,
s1, firstly, stirring, mixing and mixing an olefin block copolymer, polyurethane, a foaming agent, chlorinated paraffin and a modified mercaptan curing agent in proportion, then using an aerosol pipe device to fill the uniformly mixed materials into a premixing tank, pressing a top cover and a bottom cover, and shaking uniformly;
s2, weighing the stabilizer, the accelerator, the coupling agent, the catalyst, the foaming auxiliary agent and the halogen-free flame retardant, stirring, mixing and adding into a premixing tank to obtain the foaming filler.
In embodiment 3 of the present invention, a foam filler capable of being rapidly cured in a low temperature environment is composed of the following raw materials in parts by weight: 40 parts of olefin block copolymer, 80 parts of polyurethane, 50 parts of foaming agent, 25 parts of chlorinated paraffin, 20 parts of modified mercaptan curing agent, 2 parts of stabilizing agent, 10 parts of accelerator, 3 parts of coupling agent, 7 parts of catalyst, 10 parts of foaming auxiliary agent and 5 parts of halogen-free flame retardant.
A preparation method of a foam filling agent capable of being rapidly solidified in a low-temperature environment specifically comprises the following steps,
s1, firstly, stirring, mixing and mixing an olefin block copolymer, polyurethane, a foaming agent, chlorinated paraffin and a modified mercaptan curing agent in proportion, then using an aerosol pipe device to fill the uniformly mixed materials into a premixing tank, pressing a top cover and a bottom cover, and shaking uniformly;
s2, weighing the stabilizer, the accelerator, the coupling agent, the catalyst, the foaming auxiliary agent and the halogen-free flame retardant, stirring, mixing and adding into a premixing tank to obtain the foaming filler.
In embodiment 4 of the present invention, a foam filler capable of being rapidly cured in a low temperature environment is composed of the following raw materials in parts by weight: 30 parts of olefin block copolymer, 60 parts of polyurethane, 30 parts of foaming agent, 20 parts of chlorinated paraffin, 16 parts of modified mercaptan curing agent, 1 part of stabilizer, 6 parts of accelerator, 2 parts of coupling agent, 5 parts of catalyst, 6 parts of foaming auxiliary agent and 3 parts of halogen-free flame retardant.
A preparation method of a foam filling agent capable of being rapidly solidified in a low-temperature environment specifically comprises the following steps,
s1, firstly, stirring, mixing and mixing an olefin block copolymer, polyurethane, a foaming agent, chlorinated paraffin and a modified mercaptan curing agent in proportion, then using an aerosol pipe device to fill the uniformly mixed materials into a premixing tank, pressing a top cover and a bottom cover, and shaking uniformly;
s2, weighing the stabilizer, the accelerator, the coupling agent, the catalyst, the foaming auxiliary agent and the halogen-free flame retardant, stirring, mixing and adding into a premixing tank to obtain the foaming filler.
The invention adopts olefin block copolymer, polyurethane, foaming agent, chlorinated paraffin, modified mercaptan curing agent, stabilizing agent and the like with scientific formula, and prepares the foam filling agent with quick curing in low temperature environment through scientific component proportion and the preparation method of the invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (5)

1. The foam filler capable of being rapidly cured in a low-temperature environment is characterized by comprising the following raw materials in parts by weight: 20-40 parts of olefin block copolymer, 50-80 parts of polyurethane, 20-50 parts of foaming agent, 5-25 parts of chlorinated paraffin, 15-20 parts of modified mercaptan curing agent, 0.1-2 parts of stabilizer, 0.5-10 parts of accelerator, 1-3 parts of coupling agent, 3-7 parts of catalyst, 5-10 parts of foaming auxiliary agent and 2-5 parts of halogen-free flame retardant.
2. The foam filling agent capable of being rapidly cured in a low-temperature environment according to claim 1, which is prepared from the following raw materials in parts by weight: 20 parts of olefin block copolymer, 50 parts of polyurethane, 20 parts of foaming agent, 5 parts of chlorinated paraffin, 15 parts of modified mercaptan curing agent, 0.1 part of stabilizer, 0.5 part of accelerator, 1 part of coupling agent, 3 parts of catalyst, 5 parts of foaming auxiliary agent and 2 parts of halogen-free flame retardant.
3. The foam filling agent capable of being rapidly cured in a low-temperature environment according to claim 1, which is prepared from the following raw materials in parts by weight: 40 parts of olefin block copolymer, 80 parts of polyurethane, 50 parts of foaming agent, 25 parts of chlorinated paraffin, 20 parts of modified mercaptan curing agent, 2 parts of stabilizing agent, 10 parts of accelerator, 3 parts of coupling agent, 7 parts of catalyst, 10 parts of foaming auxiliary agent and 5 parts of halogen-free flame retardant.
4. The foam filling agent capable of being rapidly cured in a low-temperature environment according to claim 1, which is prepared from the following raw materials in parts by weight: 30 parts of olefin block copolymer, 60 parts of polyurethane, 30 parts of foaming agent, 20 parts of chlorinated paraffin, 16 parts of modified mercaptan curing agent, 1 part of stabilizer, 6 parts of accelerator, 2 parts of coupling agent, 5 parts of catalyst, 6 parts of foaming auxiliary agent and 3 parts of halogen-free flame retardant.
5. The method for preparing the foam filling agent capable of being rapidly cured in a low-temperature environment according to claim 1, comprising the following steps,
s1, firstly, stirring, mixing and mixing an olefin block copolymer, polyurethane, a foaming agent, chlorinated paraffin and a modified mercaptan curing agent in proportion, then using an aerosol pipe device to fill the uniformly mixed materials into a premixing tank, pressing a top cover and a bottom cover, and shaking uniformly;
s2, weighing the stabilizer, the accelerator, the coupling agent, the catalyst, the foaming auxiliary agent and the halogen-free flame retardant, stirring, mixing and adding into a premixing tank to obtain the foaming filler.
CN201911219017.5A 2019-12-03 2019-12-03 Foam filling agent capable of being rapidly cured in low-temperature environment Pending CN110885420A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911219017.5A CN110885420A (en) 2019-12-03 2019-12-03 Foam filling agent capable of being rapidly cured in low-temperature environment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911219017.5A CN110885420A (en) 2019-12-03 2019-12-03 Foam filling agent capable of being rapidly cured in low-temperature environment

Publications (1)

Publication Number Publication Date
CN110885420A true CN110885420A (en) 2020-03-17

Family

ID=69750058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911219017.5A Pending CN110885420A (en) 2019-12-03 2019-12-03 Foam filling agent capable of being rapidly cured in low-temperature environment

Country Status (1)

Country Link
CN (1) CN110885420A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101649037A (en) * 2009-09-17 2010-02-17 南京大学 Polybutadiene polyurethane (polyurethane-urea) containing polythiol
CN101796091A (en) * 2007-07-16 2010-08-04 Sika技术股份公司 Foam curable by heat
CN105238028A (en) * 2015-10-09 2016-01-13 滁州环球聚氨酯科技有限公司 High-elasticity oil-resistant polyurethane foam gap filling material
CN106280403A (en) * 2016-08-12 2017-01-04 哥俩好(辽宁)新材料有限公司 A kind of double component polyester foamed glue with flame-retarding characteristic and preparation method thereof
CN106633813A (en) * 2016-12-25 2017-05-10 苏州健能新材料科技有限公司 Polyurethane foam caulking agent
CN107312492A (en) * 2017-06-30 2017-11-03 张家港康得新光电材料有限公司 A kind of double solidification adhesives and adhesive tape
CN108383965A (en) * 2018-02-28 2018-08-10 未春玲 A kind of foam filled dose of dual-component polyurethane and preparation method thereof
CN108977145A (en) * 2017-05-31 2018-12-11 烟台信友新材料股份有限公司 A kind of high moisture-proof temperature curing epoxy low glue and preparation method thereof
CN109486459A (en) * 2018-10-29 2019-03-19 烟台信友新材料有限公司 A kind of no xanthochromia, wet-heat resisting low-temperature setting adhesive and preparation method thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101796091A (en) * 2007-07-16 2010-08-04 Sika技术股份公司 Foam curable by heat
CN101649037A (en) * 2009-09-17 2010-02-17 南京大学 Polybutadiene polyurethane (polyurethane-urea) containing polythiol
CN105238028A (en) * 2015-10-09 2016-01-13 滁州环球聚氨酯科技有限公司 High-elasticity oil-resistant polyurethane foam gap filling material
CN106280403A (en) * 2016-08-12 2017-01-04 哥俩好(辽宁)新材料有限公司 A kind of double component polyester foamed glue with flame-retarding characteristic and preparation method thereof
CN106633813A (en) * 2016-12-25 2017-05-10 苏州健能新材料科技有限公司 Polyurethane foam caulking agent
CN108977145A (en) * 2017-05-31 2018-12-11 烟台信友新材料股份有限公司 A kind of high moisture-proof temperature curing epoxy low glue and preparation method thereof
CN107312492A (en) * 2017-06-30 2017-11-03 张家港康得新光电材料有限公司 A kind of double solidification adhesives and adhesive tape
CN108383965A (en) * 2018-02-28 2018-08-10 未春玲 A kind of foam filled dose of dual-component polyurethane and preparation method thereof
CN109486459A (en) * 2018-10-29 2019-03-19 烟台信友新材料有限公司 A kind of no xanthochromia, wet-heat resisting low-temperature setting adhesive and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
成都科学技术大学等合编: "《高分子化学及物理学》", 28 February 1981, 轻工业出版社 *

Similar Documents

Publication Publication Date Title
US5648401A (en) Foamed articles and methods for making same
US6110982A (en) Epoxy foams using multiple resins and curing agents
CN105524246B (en) Halogen-free flameproof bio-based polyurethane rigid foam and preparation method thereof
CA2529233A1 (en) Multicomponent, in situ foaming system for the preparation of interpenetrating polymeric networks and its use
CN104761698A (en) A portable polyurethane two-component foam caulking compound
CN104497959B (en) Single-component room-temperature-vulsilicone silicone rubber sealant and preparation method thereof
CN105441019A (en) Low-density deketoxime type silicone sealant and preparation method thereof
CN105238070A (en) One-component addition type liquid silicone rubber and preparation method thereof
CN109593226A (en) A kind of method of low-shrinkage flame retardant polyurethane rigid foam material being formulated and its prepare foamed material
CN103333457A (en) High-smoke suppression and high-oxygen index phenolic aldehyde fire-proof heat-preserving board and preparation method thereof
CN106317854A (en) Single-component polyurethane foam joint mixture and preparing method thereof
CN105623593A (en) Double-component pouring silica gel, method for preparing same and pouring method
CN104448774A (en) Homogeneous skinning-free organic-inorganic composite reinforcement material and preparation method thereof
CN110117349A (en) A kind of superpower flame-retardant sponge and preparation method thereof
CN106543426A (en) A kind of siliceous flame retardant type Rosin-based Polyol and its preparation method and application
CN102372835B (en) Method for manufacturing cured product of thermosetting resin composition and cured product obtained thereby
CN110885420A (en) Foam filling agent capable of being rapidly cured in low-temperature environment
CN104744668B (en) A kind of low temperature resistant sealing agent of single component polyurethane foam and preparation method thereof
CN106349447A (en) Flame-retardant one-component polyurethane foam joint mixture and preparation method thereof
CN109054234A (en) Flame-proof heat-resistant polyvinyl chloride structural foam material of high specific strength and preparation method thereof
EP3095810A2 (en) Blowing agent composition
CN110283426A (en) A kind of bio-based source degradable starch filling epoxy resin composite material and preparation method thereof
CA1059700A (en) Process for the manufacture of foams from epoxide resins
CN102838839B (en) Epoxy resin composition and preparation method
CN110041494A (en) A kind of environmental protection flame retardant high bonding modified polyurethane injecting paste 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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200317