CN108299838A - A kind of high temperature resistant composite modified asphalt and preparation method thereof - Google Patents

A kind of high temperature resistant composite modified asphalt and preparation method thereof Download PDF

Info

Publication number
CN108299838A
CN108299838A CN201810134861.7A CN201810134861A CN108299838A CN 108299838 A CN108299838 A CN 108299838A CN 201810134861 A CN201810134861 A CN 201810134861A CN 108299838 A CN108299838 A CN 108299838A
Authority
CN
China
Prior art keywords
parts
high temperature
temperature resistant
powder
wollastonite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810134861.7A
Other languages
Chinese (zh)
Other versions
CN108299838B (en
Inventor
张成如
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.)
Linyi Xinghuo Intellectual Property Service Co.,Ltd.
Original Assignee
Shandong Xinghuo Science Technology Institute
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 Shandong Xinghuo Science Technology Institute filed Critical Shandong Xinghuo Science Technology Institute
Priority to CN201810134861.7A priority Critical patent/CN108299838B/en
Publication of CN108299838A publication Critical patent/CN108299838A/en
Application granted granted Critical
Publication of CN108299838B publication Critical patent/CN108299838B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/30—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by mixing gases into liquid compositions or plastisols, e.g. frothing with air
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0014—Use of organic additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0014—Use of organic additives
    • C08J9/0023—Use of organic additives containing oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0066—Use of inorganic compounding ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2395/00—Bituminous materials, e.g. asphalt, tar or pitch
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2411/00—Characterised by the use of homopolymers or copolymers of chloroprene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2453/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/15—Heterocyclic compounds having oxygen in the ring
    • C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
    • C08K5/1535—Five-membered rings
    • C08K5/1539—Cyclic anhydrides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Emergency Medicine (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention relates to a kind of high temperature resistant composite modified asphalt and preparation method thereof, is grouped as by following groups counted in parts by weight：100 parts of matrix pitch, 5 10 parts of SBS modifier, 5 10 parts of wollastonite in powder, 10 20 parts of chlorobenzene rubber, 10 20 parts of maleic anhydride, 5 10 parts of solvent naphtha, 15 parts of foaming agent, 38 parts of antifoaming agent, chlorobenzene rubber of the present invention is organic material, it, by wollastonite in powder tight, considerably increases the high temperature resistance of the two under the action of solvent naphtha；By adding foaming agent, modified pitch is foamed, its internal structure is of short duration to become honeycomb fashion, chlorobenzene rubber is filled in cellular structure and is closely connect with modified matrix pitch by maleic anhydride, close structure, and cellular stereochemical structure, specific surface area bigger, chlorobenzene rubber and modified matrix pitch contact surface are big, substantially increase the high temperature resistant property of pitch；Antifoaming agent is added to be handled, the connection structure formed is squeezed, and structure more crypto set further improves the high-temperature behavior of pitch.

Description

A kind of high temperature resistant composite modified asphalt and preparation method thereof
Technical field
The present invention relates to modified pitch preparation field, more specifically a kind of high temperature resistant composite modified asphalt and its preparation Method.
Background technology
As road construction is more and more, quality is higher and higher, the requirement to pitch is also higher and higher, although passing through addition The performance of modifying agent, pitch obtains certain raising, but larger deficiency is still remained in terms of high-temperature stability, especially in height Wen Hou, viscosity increase, under the rolling of heavy-duty car, easily deform, cause the damage of road, influence traffic.
Invention content
The goal of the invention of the present invention is aiming at the deficiencies in the prior art, to provide a kind of composite modified drip of milk high temperature Blueness and preparation method thereof.
The present invention is achieved by the following technical solutions：
A kind of high temperature resistant composite modified asphalt is grouped as by following groups counted in parts by weight：100 parts of matrix pitch, SBS are modified 5-10 parts of agent, 5-10 parts of wollastonite in powder, 10-20 parts of chlorobenzene rubber, 10-20 parts of maleic anhydride, 5-10 parts of solvent naphtha, foaming agent 1- 5 parts, 3-8 parts of antifoaming agent.
The granularity of above-mentioned wollastonite in powder is less than or equal to 0.5mm.
Above-mentioned foaming agent is sodium sulfate of polyethenoxy ether of fatty alcohol.
Above-mentioned antifoaming agent is dimethicone.
A kind of preparation method of above-mentioned high temperature resistant composite modified asphalt, includes the following steps：
（1）Chlorobenzene rubber is milled and is less than 0.2mm to granularity；
（2）By wollastonite in powder, chlorobenzene rubber powder, maleic anhydride and solvent naphtha and 80-90 DEG C be mixed mixed liquor is spare；
（3）Matrix pitch is warming up to 195-200 DEG C of addition SBS modifier and continues stirring 20-30 minutes；
（4）While stirring plus as foaming agent is added in matrix pitch, rate of addition is controlled, is added dropwise within 3 minutes, during dropwise addition By step（2）Gained mixed liquor continues to stir 50-60min after being added dropwise；
（5）150-160 DEG C of temperature is controlled, antifoaming agent is added, stirs 60-80min.
The beneficial effects of the invention are as follows：Stronger anti-old effect is played to pitch by adding chlorobenzene rubber and wollastonite in powder Fruit, chlorobenzene rubber are organic material, by wollastonite in powder tight under the action of solvent naphtha, considerably increase the resistance to of the two High-temperature behavior,；By adding foaming agent, modified pitch is foamed, internal structure is of short duration to become honeycomb fashion, chlorobenzene rubber It is filled in cellular structure and is closely connect with modified matrix pitch by maleic anhydride, close structure, and is cellular Stereochemical structure, specific surface area bigger, chlorobenzene rubber and modified matrix pitch contact surface are big, substantially increase the anti-height of pitch Warm nature energy；Antifoaming agent is added to be handled, the connection structure formed is squeezed, and structure more crypto set further increases The high-temperature behavior of pitch.
Specific implementation mode
With reference to specific embodiment, the present invention will be further described, so that those skilled in the art can be better The solution present invention, but be not intended to limit the present invention.
Embodiment 1
A kind of high temperature resistant composite modified asphalt is grouped as by following groups counted in parts by weight：100 parts of matrix pitch, SBS are modified 5 parts of agent, 5 parts of wollastonite in powder, 10 parts of chlorobenzene rubber, 10 parts of maleic anhydride, 5 parts of solvent naphtha, 1 part of foaming agent, 3 parts of antifoaming agent.
The granularity of above-mentioned wollastonite in powder is less than or equal to 0.5mm.
Above-mentioned foaming agent is sodium sulfate of polyethenoxy ether of fatty alcohol.
Above-mentioned antifoaming agent is dimethicone.
Embodiment 2
A kind of high temperature resistant composite modified asphalt is grouped as by following groups counted in parts by weight：100 parts of matrix pitch, SBS are modified 5-10 parts of agent, 5-10 parts of wollastonite in powder, 10-20 parts of chlorobenzene rubber, 10-20 parts of maleic anhydride, 5-10 parts of solvent naphtha, foaming agent 1- 5 parts, 3-8 parts of antifoaming agent.
The granularity of above-mentioned wollastonite in powder is less than or equal to 0.5mm.
Above-mentioned foaming agent is sodium sulfate of polyethenoxy ether of fatty alcohol.
Above-mentioned antifoaming agent is dimethicone.
Embodiment 3
A kind of high temperature resistant composite modified asphalt is grouped as by following groups counted in parts by weight：100 parts of matrix pitch, SBS are modified 10 parts of agent, 10 parts of wollastonite in powder, 20 parts of chlorobenzene rubber, 20 parts of maleic anhydride, 10 parts of solvent naphtha, 5 parts of foaming agent, 8 parts of antifoaming agent.
The granularity of above-mentioned wollastonite in powder is less than or equal to 0.5mm.
Above-mentioned foaming agent is sodium sulfate of polyethenoxy ether of fatty alcohol.
Above-mentioned antifoaming agent is dimethicone.
Embodiment 4
A kind of high temperature resistant composite modified asphalt is grouped as by following groups counted in parts by weight：100 parts of matrix pitch, SBS are modified 5-10 parts of agent, 5-10 parts of wollastonite in powder, 10-20 parts of maleic anhydride, 5-10 parts of solvent naphtha, 1-5 parts of foaming agent, 3-8 parts of antifoaming agent.
The granularity of above-mentioned wollastonite in powder is less than or equal to 0.5mm.
Above-mentioned foaming agent is sodium sulfate of polyethenoxy ether of fatty alcohol.
Above-mentioned antifoaming agent is dimethicone.
Embodiment 5
A kind of high temperature resistant composite modified asphalt is grouped as by following groups counted in parts by weight：100 parts of matrix pitch, SBS are modified 5-10 parts of agent, 10-20 parts of chlorobenzene rubber, 10-20 parts of maleic anhydride, 5-10 parts of solvent naphtha, 1-5 parts of foaming agent, antifoaming agent 3-8 Part.
Above-mentioned foaming agent is sodium sulfate of polyethenoxy ether of fatty alcohol.
Above-mentioned antifoaming agent is dimethicone.
Embodiment 6
A kind of high temperature resistant composite modified asphalt is grouped as by following groups counted in parts by weight：100 parts of matrix pitch, SBS are modified 5-10 parts of agent, 5-10 parts of wollastonite in powder, 10-20 parts of chlorobenzene rubber, 10-20 parts of maleic anhydride, 1-5 parts of foaming agent, antifoaming agent 3-8 Part.
The granularity of above-mentioned wollastonite in powder is less than or equal to 0.5mm.
Above-mentioned foaming agent is sodium sulfate of polyethenoxy ether of fatty alcohol.
Above-mentioned antifoaming agent is dimethicone.
Embodiment 7
A kind of high temperature resistant composite modified asphalt is grouped as by following groups counted in parts by weight：100 parts of matrix pitch, SBS are modified 5-10 parts of agent, 5-10 parts of wollastonite in powder, 10-20 parts of chlorobenzene rubber, 5-10 parts of solvent naphtha, 1-5 parts of foaming agent, 3-8 parts of antifoaming agent.
The granularity of above-mentioned wollastonite in powder is less than or equal to 0.5mm.
Above-mentioned foaming agent is sodium sulfate of polyethenoxy ether of fatty alcohol.
Above-mentioned antifoaming agent is dimethicone.
Above-described embodiment 1-7 uses following preparation methods（No component corresponding steps are omitted）：
（1）Chlorobenzene rubber is milled and is less than 0.2mm to granularity；
（2）By wollastonite in powder, chlorobenzene rubber powder, maleic anhydride and solvent naphtha and 80-90 DEG C be mixed mixed liquor is spare；
（3）Matrix pitch is warming up to 195-200 DEG C of addition SBS modifier and continues stirring 20-30 minutes；
（4）While stirring plus as foaming agent is added in matrix pitch, rate of addition is controlled, is added dropwise within 3 minutes, during dropwise addition By step（2）Gained mixed liquor continues to stir 50-60min after being added dropwise；
（5）150-160 DEG C of temperature is controlled, antifoaming agent is added, stirs 60-80min.
Embodiment 8
Component is same as Example 2；
Preparation method is：
（1）Chlorobenzene rubber is milled and is less than 0.2mm to granularity；
（2）Matrix pitch is warming up to 195-200 DEG C of addition SBS modifier and continues stirring 20-30 minutes；
（3）While stirring plus as foaming agent is added in matrix pitch, rate of addition is controlled, is added dropwise within 3 minutes, during dropwise addition Wollastonite in powder, chlorobenzene rubber powder, maleic anhydride and solvent naphtha will be added, and continue to stir 50-60min after being added dropwise；
（4）150-160 DEG C of temperature is controlled, antifoaming agent is added, stirs 60-80min.
Embodiment 9
Component is same as Example 2；
Preparation method is：
（1）Chlorobenzene rubber is milled and is less than 0.2mm to granularity；
（2）By wollastonite in powder, chlorobenzene rubber powder, maleic anhydride and solvent naphtha and 80-90 DEG C be mixed mixed liquor is spare；
（3）Matrix pitch is warming up to 195-200 DEG C of addition SBS modifier and continues stirring 20-30 minutes；
（4）It is added at one time step（2）Gained mixed liquor and foaming agent stir 50-60min；
（5）150-160 DEG C of temperature is controlled, antifoaming agent is added, stirs 60-80min.
Rubber asphalt obtained by each embodiment is tested for the property.Needle penetration, softening point press 4509 and of GB/T respectively Method as defined in GB/T 4507 is tested, and 177 DEG C of viscosity tests press Ministry of Communications professional standard JTJ 052 " highway engineering pitch and drip Method T 0620 specified in green test mixture regulation " is carried out.
1 embodiment 1-9 asphalt performance indexes of table

Claims (5)

1. a kind of high temperature resistant composite modified asphalt, it is characterised in that：It is grouped as by following groups counted in parts by weight：Matrix pitch 100 parts, 5-10 parts of SBS modifier, 5-10 parts of wollastonite in powder, 10-20 parts of chlorobenzene rubber, 10-20 parts of maleic anhydride, solvent naphtha 5- 10 parts, 1-5 parts of foaming agent, 3-8 parts of antifoaming agent.
2. a kind of high temperature resistant composite modified asphalt according to claim 1, it is characterised in that：The granularity of the wollastonite in powder Less than or equal to 0.5mm.
3. a kind of high temperature resistant composite modified asphalt according to claim 1, it is characterised in that：The foaming agent is fatty alcohol Polyethenoxy ether sodium sulfate.
4. a kind of high temperature resistant composite modified asphalt according to claim 1, it is characterised in that：The antifoaming agent is dimethyl Silicone oil.
5. a kind of preparation method of high temperature resistant composite modified asphalt according to claim 1, it is characterised in that：Including as follows Step：
（1）Chlorobenzene rubber is milled and is less than 0.2mm to granularity；
（2）By wollastonite in powder, chlorobenzene rubber powder, maleic anhydride and solvent naphtha and 80-90 DEG C be mixed mixed liquor is spare；
（3）Matrix pitch is warming up to 195-200 DEG C of addition SBS modifier and continues stirring 20-30 minutes；
（4）While stirring plus as foaming agent is added in matrix pitch, rate of addition is controlled, is added dropwise within 3 minutes, during dropwise addition By step（2）Gained mixed liquor continues to stir 50-60min after being added dropwise；
（5）150-160 DEG C of temperature is controlled, antifoaming agent is added, stirs 60-80min.
CN201810134861.7A 2018-02-09 2018-02-09 High-temperature-resistant composite modified asphalt and preparation method thereof Active CN108299838B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810134861.7A CN108299838B (en) 2018-02-09 2018-02-09 High-temperature-resistant composite modified asphalt and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810134861.7A CN108299838B (en) 2018-02-09 2018-02-09 High-temperature-resistant composite modified asphalt and preparation method thereof

Publications (2)

Publication Number Publication Date
CN108299838A true CN108299838A (en) 2018-07-20
CN108299838B CN108299838B (en) 2020-10-23

Family

ID=62864929

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810134861.7A Active CN108299838B (en) 2018-02-09 2018-02-09 High-temperature-resistant composite modified asphalt and preparation method thereof

Country Status (1)

Country Link
CN (1) CN108299838B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117625044A (en) * 2023-11-09 2024-03-01 北新防水(广东)有限公司 High-heat-resistance non-cured rubber asphalt waterproof coating and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1347936A (en) * 2000-10-13 2002-05-08 Jsr株式会社 Asphalt modifier and modified asphalt composition
CN104710804A (en) * 2015-03-17 2015-06-17 中国海洋石油总公司 SBS (styrene butadiene styrene) modified asphalt and preparation method thereof
CN105131621A (en) * 2015-09-24 2015-12-09 英达热再生有限公司 SBS (Styrene Butadiene Styrene)-modified asphalt and preparation method thereof
CN105647207A (en) * 2016-03-03 2016-06-08 中国石油化工股份有限公司 High-temperature-resistant SBS (styrene butadiene styrene) modified asphalt and preparation method thereof
CN107325568A (en) * 2017-06-29 2017-11-07 安徽和轩岩沥青科技有限公司 A kind of preparation method of BUTON rock asphalt modified asphalt mixture

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1347936A (en) * 2000-10-13 2002-05-08 Jsr株式会社 Asphalt modifier and modified asphalt composition
CN104710804A (en) * 2015-03-17 2015-06-17 中国海洋石油总公司 SBS (styrene butadiene styrene) modified asphalt and preparation method thereof
CN105131621A (en) * 2015-09-24 2015-12-09 英达热再生有限公司 SBS (Styrene Butadiene Styrene)-modified asphalt and preparation method thereof
CN105647207A (en) * 2016-03-03 2016-06-08 中国石油化工股份有限公司 High-temperature-resistant SBS (styrene butadiene styrene) modified asphalt and preparation method thereof
CN107325568A (en) * 2017-06-29 2017-11-07 安徽和轩岩沥青科技有限公司 A kind of preparation method of BUTON rock asphalt modified asphalt mixture

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
林建好等: "改性沥青", 《土木工程材料 第2版》 *
袁玉卿等: "沥青发泡", 《路基路面工程》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117625044A (en) * 2023-11-09 2024-03-01 北新防水(广东)有限公司 High-heat-resistance non-cured rubber asphalt waterproof coating and preparation method thereof
CN117625044B (en) * 2023-11-09 2024-05-07 北新防水(广东)有限公司 High-heat-resistance non-cured rubber asphalt waterproof coating and preparation method thereof

Also Published As

Publication number Publication date
CN108299838B (en) 2020-10-23

Similar Documents

Publication Publication Date Title
CN104725883B (en) A kind of high-viscosity high-elasticity asphalt being modified based on rubber particle surface, SMA asphalts and preparation method thereof
CN105038280B (en) A kind of SBS modified pitch and preparation method thereof
CN110054905B (en) Environment-friendly asphalt warm-mix regenerant and environment-friendly warm-mix regenerated asphalt pavement mixture
CN103642175A (en) Normal-temperature fast curing epoxy resin crack pouring agent for roads and bridges
CN107285674A (en) A kind of high cracking resistance mixes liquid swelling agent epoxy asphalt concrete and preparation method thereof
CN104830076A (en) Method for preparing rubber waste cracking converted modified asphalt
CN101824226A (en) Preparation method of waste and oil tire rubber powder modified asphalt with stable heat storage
CN107936595A (en) A kind of modified asphalt material and preparation method thereof
CN104479169A (en) Chemical reaction type SBS modified asphalt thermal storage stabilizer and preparation method thereof
CN108299838A (en) A kind of high temperature resistant composite modified asphalt and preparation method thereof
CN106433164A (en) High-aging-resistance modified asphalt and preparation method thereof
CN103980499A (en) Modified hyperbranched polyamide-amine asphalt emulsifier and preparation method and application thereof
CN104559258B (en) Asphalt mixture additive and preparation method thereof
CN102504553A (en) Warm-mix modified asphalt and method for preparing asphalt mixture by using same
CN111349345A (en) Vulcanized natural rubber modified asphalt and preparation method thereof
CN103755225B (en) A kind of modified asphalt mixture and preparation method
CN108342090A (en) Diatom test asphalt modifier and its modified composite asphalt and preparation process
CN107739520A (en) A kind of SEBS/ charcoals composite modified asphalt and preparation method thereof
CN108299839A (en) A kind of high stability modified pitch and preparation method thereof
CN104497602A (en) Production process of constant temperature asphalt compound emulsion forming stable chemical network
CN107057385A (en) A kind of asphalt viscosity reduction agent and preparation method thereof and application
CN108410190A (en) A kind of modified high-viscosity asphalt and preparation method thereof
CN105985653A (en) Normal temperature asphalt modifier prepared by using waste rubber oil and preparation method of modified asphalt
CN108384257A (en) A kind of pavement seam filling pitch and preparation method thereof
CN108329705A (en) A kind of high-viscosity high-elasticity asphalt and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20201218

Address after: Room 608, 6 / F, Zhongxing business enterprise development center, Pingshang Town, Lingang Economic Development Zone, Linyi City, Shandong Province

Patentee after: Linyi Xinghuo Intellectual Property Service Co.,Ltd.

Address before: 250100 11 production and research base, No. 2 North Qilihe Road, Licheng District, Ji'nan, Shandong

Patentee before: XINGHUO SCIENCE AND TECHNOLOGY INSTITUTE

TR01 Transfer of patent right