CN105969559A - Cleaning agent of automobile exhaust pipe - Google Patents

Cleaning agent of automobile exhaust pipe Download PDF

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Publication number
CN105969559A
CN105969559A CN201610471923.4A CN201610471923A CN105969559A CN 105969559 A CN105969559 A CN 105969559A CN 201610471923 A CN201610471923 A CN 201610471923A CN 105969559 A CN105969559 A CN 105969559A
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CN
China
Prior art keywords
parts
exhaust pipe
cleaning agent
powder
add
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
CN201610471923.4A
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Chinese (zh)
Inventor
王诗斌
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.)
Chaohu Pengyuan Metal Pipe Co Ltd
Original Assignee
Chaohu Pengyuan Metal Pipe 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 Chaohu Pengyuan Metal Pipe Co Ltd filed Critical Chaohu Pengyuan Metal Pipe Co Ltd
Priority to CN201610471923.4A priority Critical patent/CN105969559A/en
Publication of CN105969559A publication Critical patent/CN105969559A/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/835—Mixtures of non-ionic with cationic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/10—Carbonates ; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246—Silicates, e.g. diatomaceous earth
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246—Silicates, e.g. diatomaceous earth
    • C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246—Silicates, e.g. diatomaceous earth
    • C11D3/128—Aluminium silicates, e.g. zeolites
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2003—Alcohols; Phenols
    • C11D3/2006—Monohydric alcohols
    • C11D3/201—Monohydric alcohols linear
    • C11D3/2013—Monohydric alcohols linear fatty or with at least 8 carbon atoms in the alkyl chain
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/28—Heterocyclic compounds containing nitrogen in the ring
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/382—Vegetable products, e.g. soya meal, wood flour, sawdust
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/008—Polymeric surface-active agents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/52—Carboxylic amides, alkylolamides or imides or their condensation products with alkylene oxides
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/667—Neutral esters, e.g. sorbitan esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Lubricants (AREA)

Abstract

The invention discloses a cleaning agent of an automobile exhaust pipe, and relates to the technical field of exhaust pipe maintenance. The cleaning agent is prepared from the following raw materials in parts by weight: 15 to 20 parts of wheat straws, 10 to 15 parts of rape seed cakes, 10 to 15 parts of turpentine, 6 to 10 parts of activated clay, 6 to 10 parts of tea leaves, 5 to 8 parts of zeolite powder, 4 to 6 parts of calcined kaolin, 4 to 6 parts of cetyl alcohol, 3 to 5 parts of glycerin monostearate, 3 to 5 parts of polyacrylamide, 2 to 3 parts of polyvinylpyrrolidone, 2 to 3 parts of sulfated castor oil, 2 to 3 parts of polymeric aluminium, 1 to 2 parts of asbestos powder, 1 to 2 parts of ferric trichloride, 1 to 2 parts of soda ash and 40 to 50 parts of paroline. The cleaning agent disclosed by the invention can effectively remove pollutants attached in the exhaust pipe, prevent rusts generated in the pipe due to the use of a watery cleaning agent, and peel off the pollutants attached in the exhaust pipe, so as to avoid blocking of the exhaust pipe and prolong the service life of the exhaust pipe.

Description

A kind of automobile exhaust pipe abluent
Technical field:
The present invention relates to exhaustor maintenance technology field, be specifically related to a kind of automobile exhaust pipe abluent.
Background technology:
Automobile exhaust pipe is that one is installed between engine exhaust branch pipe and acoustic filter, and make in automobile is whole Individual gas extraction system is Flexible spacecraft, thus plays vibration and noise reducing, convenient installation and extend exhausting silencer system Effect.Exhaustor is mainly made up of shell and the exhaust pipe be located in shell, and exhaust pipe includes The outlet tube that is connected with engine exhaust branch pipe and the discharge pipe with external world's conducting, outlet tube and discharge pipe it Between by have latticed hole connecting tube connect, this connecting tube is to have the body of filtration, makes Implement to filter by the harmful substance in vehicle exhaust during with, thus reduce the vehicle exhaust dirt to environment Dye.But after a long time use, the latticed hole of this connecting tube can be blocked, causes it to lose original Filter effect, simultaneously exhaustor stopping state also can occur, it is therefore desirable to routine cleaning.
Summary of the invention:
The technical problem to be solved is to provide a kind of cleaning performance good and can prevent the vapour of corrosion Vehicle exhaust pipe abluent.
The technical problem to be solved uses following technical scheme to realize:
A kind of automobile exhaust pipe abluent, is made up of the raw material of following parts by weight:
Wheat stalk 15-20 part, rapeseed cake 10-15 part, Oleum Terebinthinae 10-15 part, active hargil 6-10 Part, tealeaf residue 6-10 part, zeolite powder 5-8 part, calcined kaolin 4-6 part, spermol 4-6 part, list are firmly Glycerol 3-5 part, polyacrylamide 3-5 part, polyvinylpyrrolidone 2-3 part, sulphation Semen Ricini Oil 2-3 part, aluminium polychlorid 2-3 part, flake asbestos 1-2 part, ferric chloride 1-2 part, soda powder 1-2 Part, paraffin oil 40-50 part；The water content of described wheat stalk and tealeaf residue is less than 5%.
Its preparation method comprises the steps:
(1) wheat stalk and tealeaf residue are ground into powder, add active hargil, zeolite powder and calcining high Ridge soil, is then heated to 100-110 DEG C of insulation mixing 10min, obtains material I；
(2) in paraffin oil, add rapeseed cake, spermol and flake asbestos, fully dispersed after in microwave frequency Microwave treatment 10min under 2450MHz, power 700W, then at supersonic frequency 40kHz, power 100W Lower supersound process 30min, obtains material II；
(3) in Oleum Terebinthinae, add glyceryl monostearate, sulfated castor oil and aluminium polychlorid, first add Heat, to 70-80 DEG C of insulation mixing 10min, is further continued for being heated to 110-120 DEG C of insulation mixing 5min, obtains thing Material III；
(4) in material II, material I, material III, polyacrylamide, polyvinylpyrrolidone, trichlorine are added Changing ferrum and soda powder, gained mixture proceeds in power 5.5kW, rotating speed 19r/min ball mill, ball milling 8h Rear 170-200 mesh sieve excessively, gained filtrate is abluent.
The invention has the beneficial effects as follows: abluent of the present invention is easy to use, only abluent need to be sprayed during use Enter in exhaustor, after 10min, use bavin Water Oil Or Gas that exhaustor is rinsed 2-3 time, can the effective row of removal The dirt of tracheal strips attachment, and the pipe internal corrosion because using waterborne cleaning agent to cause, this abluent can be prevented Making full use of infiltration moistening and the adsorption of its raw material, the dirt that will be attached in exhaustor strips down, Thus avoid exhaustor blockage phenomenon, and extend the service life of exhaustor.
Detailed description of the invention:
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be readily apparent from Solve, below in conjunction with specific embodiment, the present invention is expanded on further.
Embodiment 1
(1) 20 parts of wheat stalks and 6 parts of tealeaf residues that water content is less than 5% are ground into powder, add 6 Part active hargil, 5 parts of zeolite powders and 4 parts of calcined kaolins, be then heated to 100-110 DEG C of insulation mixing 10 Min, obtains material I；
(5) in 50 parts of paraffin oil, 12 parts of rapeseed cakes, 4 parts of spermols and 1 part of flake asbestos are added, fully dispersed After under microwave frequency 2450MHz, power 700W microwave treatment 10min, then at supersonic frequency 40kHz, Supersound process 30min under power 100W, obtains material II；
(6) in 15 parts of Oleum Terebinthinaes, add 3 parts of glyceryl monostearates, 2 parts of sulfated castor oils and 2 parts to gather Close aluminum chloride, be first heated to 70-80 DEG C of insulation mixing 10min, be further continued for being heated to 110-120 DEG C of insulation mixed Close 5min, obtain material III；
(7) add in material II material I, material III, 5 parts of polyacrylamides, 2 parts of polyvinylpyrrolidones, 2 parts of ferric chlorides and 1 part of soda powder, gained mixture proceeds to power 5.5kW, rotating speed 19r/min ball mill In, cross 170 mesh sieves after ball milling 8h, gained filtrate is abluent.
Embodiment 2
(1) 20 parts of wheat stalks and 6 parts of tealeaf residues that water content is less than 5% are ground into powder, add 8 Part active hargil, 5 parts of zeolite powders and 4 parts of calcined kaolins, be then heated to 100-110 DEG C of insulation mixing 10 Min, obtains material I；
(2) in 50 parts of paraffin oil, 10 parts of rapeseed cakes, 6 parts of spermols and 1 part of flake asbestos are added, fully dispersed After under microwave frequency 2450MHz, power 700W microwave treatment 10min, then at supersonic frequency 40kHz, Supersound process 30min under power 100W, obtains material II；
(3) in 10 parts of Oleum Terebinthinaes, add 5 parts of glyceryl monostearates, 2 parts of sulfated castor oils and 3 parts to gather Close aluminum chloride, be first heated to 70-80 DEG C of insulation mixing 10min, be further continued for being heated to 110-120 DEG C of insulation mixed Close 5min, obtain material III；
(4) add in material II material I, material III, 3 parts of polyacrylamides, 3 parts of polyvinylpyrrolidones, 1 part of ferric chloride and 1 part of soda powder, gained mixture proceeds to power 5.5kW, rotating speed 19r/min ball mill In, cross 170 mesh sieves after ball milling 8h, gained filtrate is abluent.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.One's own profession Skilled person will appreciate that of industry, the present invention is not restricted to the described embodiments, above-described embodiment and explanation The principle that the present invention is simply described described in book, without departing from the spirit and scope of the present invention, The present invention also has various changes and modifications, and these changes and improvements both fall within claimed invention model In enclosing.Claimed scope is defined by appending claims and equivalent thereof.

Claims (2)

1. an automobile exhaust pipe abluent, it is characterised in that be made up of the raw material of following parts by weight:
Wheat stalk 15-20 part, rapeseed cake 10-15 part, Oleum Terebinthinae 10-15 part, active hargil 6-10 Part, tealeaf residue 6-10 part, zeolite powder 5-8 part, calcined kaolin 4-6 part, spermol 4-6 part, list are firmly Glycerol 3-5 part, polyacrylamide 3-5 part, polyvinylpyrrolidone 2-3 part, sulphation Semen Ricini Oil 2-3 part, aluminium polychlorid 2-3 part, flake asbestos 1-2 part, ferric chloride 1-2 part, soda powder 1-2 Part, paraffin oil 40-50 part；The water content of described wheat stalk and tealeaf residue is less than 5%.
Automobile exhaust pipe abluent the most according to claim 1, it is characterised in that its preparation method Comprise the steps:
(1) wheat stalk and tealeaf residue are ground into powder, add active hargil, zeolite powder and calcining high Ridge soil, is then heated to 100-110 DEG C of insulation mixing 10min, obtains material I；
(2) in paraffin oil, add rapeseed cake, spermol and flake asbestos, fully dispersed after in microwave frequency Microwave treatment 10min under 2450MHz, power 700W, then at supersonic frequency 40kHz, power 100W Lower supersound process 30min, obtains material II；
(3) in Oleum Terebinthinae, add glyceryl monostearate, sulfated castor oil and aluminium polychlorid, first add Heat, to 70-80 DEG C of insulation mixing 10min, is further continued for being heated to 110-120 DEG C of insulation mixing 5min, obtains thing Material III；
(4) in material II, material I, material III, polyacrylamide, polyvinylpyrrolidone, trichlorine are added Changing ferrum and soda powder, gained mixture proceeds in power 5.5kW, rotating speed 19r/min ball mill, ball milling 8h Rear 170-200 mesh sieve excessively, gained filtrate is abluent.
CN201610471923.4A 2016-06-23 2016-06-23 Cleaning agent of automobile exhaust pipe Pending CN105969559A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610471923.4A CN105969559A (en) 2016-06-23 2016-06-23 Cleaning agent of automobile exhaust pipe

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Application Number Priority Date Filing Date Title
CN201610471923.4A CN105969559A (en) 2016-06-23 2016-06-23 Cleaning agent of automobile exhaust pipe

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Publication Number Publication Date
CN105969559A true CN105969559A (en) 2016-09-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106312375A (en) * 2016-09-29 2017-01-11 东至绿洲环保化工有限公司 Flux for welding of metal building formworks
CN109402644A (en) * 2018-12-03 2019-03-01 巢湖鹏远金属焊管有限公司 A kind of degreased cleaning agent for metallic conduit

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3409861A1 (en) * 1984-03-17 1985-09-19 Seitz Enzinger Noll Maschinenbau Ag, 6800 Mannheim Apparatus for the continuous regeneration of a part-stream of alkali-containing wash liquors from bottle-washing machines
SU1330149A1 (en) * 1985-12-30 1987-08-15 Всесоюзный научно-исследовательский и проектный институт химической промышленности Composition for cleaning sewage pipes
CN1050559A (en) * 1989-09-30 1991-04-10 中国科学院地质研究所 Household utensil detergent and method for making thereof
CN1101936A (en) * 1993-10-19 1995-04-26 孙树基 Cleaning agent for thick oily dirt in kitchen
CN1151754A (en) * 1994-06-30 1997-06-11 美国3M公司 Detergent composition
CN104327964A (en) * 2014-10-21 2015-02-04 韦筱兰 Carbon deposit cleaning agent for motor vehicle combustion system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3409861A1 (en) * 1984-03-17 1985-09-19 Seitz Enzinger Noll Maschinenbau Ag, 6800 Mannheim Apparatus for the continuous regeneration of a part-stream of alkali-containing wash liquors from bottle-washing machines
SU1330149A1 (en) * 1985-12-30 1987-08-15 Всесоюзный научно-исследовательский и проектный институт химической промышленности Composition for cleaning sewage pipes
CN1050559A (en) * 1989-09-30 1991-04-10 中国科学院地质研究所 Household utensil detergent and method for making thereof
CN1101936A (en) * 1993-10-19 1995-04-26 孙树基 Cleaning agent for thick oily dirt in kitchen
CN1151754A (en) * 1994-06-30 1997-06-11 美国3M公司 Detergent composition
CN104327964A (en) * 2014-10-21 2015-02-04 韦筱兰 Carbon deposit cleaning agent for motor vehicle combustion system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106312375A (en) * 2016-09-29 2017-01-11 东至绿洲环保化工有限公司 Flux for welding of metal building formworks
CN109402644A (en) * 2018-12-03 2019-03-01 巢湖鹏远金属焊管有限公司 A kind of degreased cleaning agent for metallic conduit

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Application publication date: 20160928