Preparation method of acid-alkali-resistant wetting agent

A wetting agent, acid and alkali resistance technology, applied in chemical instruments and methods, transportation and packaging, dissolution, etc., can solve the problem of limited application scope of wetting agents, achieve excellent acid and alkali resistance, easy control of reaction conditions, Simple to use effects

Inactive Publication Date: 2016-07-20
ANHUI SINOGRACE CHEM
3 Cites 5 Cited by

AI-Extracted Technical Summary

Problems solved by technology

[0002] Wetting agents are composed of hydrophilic groups and lipophilic groups. When in contact with the surface of a wet object, the lipophilic groups are attached to the surface of the object, and the hydrophilic groups extend outward into the liquid, making The liquid forms a continuous phase on the surface of the object, thereby playin...
View more

Abstract

The invention discloses a preparation method of an acid-alkali-resistant wetting agent.The preparation method particularly comprises the steps that 0-15 parts by mass of maleic anhydride, 0-15 parts by mass of dodecyl polyoxyethylene ether, 0-15 parts by mass of nonylphenol polyoxyethylene ether and 0-5 parts by mass of p-toluenesulfonic acid are added into a reaction kettle, the vacuum degree is controlled within the range of 0.095 MPa-0.1 MPa at the temperature of 120 DEG C-220 DEG C, reacting is performed for 2-10 h, an acid value and a hydroxyl value of reaction liquid are measured, and if the acid value and the hydroxyl value do not reach the standard, reacting is continuously performed until the acid value and the hydroxyl value both reach the standard; if the acid value and the hydroxyl value reach the standard, the temperature of the reaction liquid is lowered to 80 DEG C-90 DEG C, 0-8 parts of by mass of sodium hydrogen sulfite and 0-5 parts by mass of sodium acetate are added, stirring is performed for 4 h, and then the acid-alkali-resistant wetting agent is obtained.The wetting agent has the advantages of being good in wetting effect, capable of resisting the extreme conditions of strong acid and strong alkali and wide in application range.

Application Domain

Transportation and packagingMixing +1

Technology Topic

Maleic anhydrideChemistry +12

Examples

  • Experimental program(4)

Example Embodiment

[0009] Example 1
[0010] Add 120g maleic anhydride, 100g lauryl alcohol polyoxyethylene ether, 20g nonylphenol polyoxyethylene ether and 20g p-toluenesulfonic acid into the reaction kettle, raise the temperature to 130℃, and control the vacuum degree between -0.098MPa After 8 hours of reaction, the acid value and hydroxyl value of the reaction solution were detected. The measured acid value of the reaction solution was 0.46mg and the hydroxyl value was 120mgKOH/g. The temperature of the reaction solution was lowered to 80℃, and 30g of sodium bisulfite, 20g was added. Sodium acetate, stirred for 4h to obtain an acid- and alkali-resistant wetting agent.

Example Embodiment

[0011] Example 2
[0012] Add 140g maleic anhydride, 90g lauryl polyoxyethylene ether, 60g nonylphenol polyoxyethylene ether and 30g p-toluenesulfonic acid into the reaction kettle, heat up to 160℃, and control the vacuum between -0.099MPa After 6 hours of reaction, check the acid value and hydroxyl value of the reaction solution. The measured acid value of the reaction solution is 0.38 and the hydroxyl value is 116. The temperature of the reaction solution is lowered to 80°C, and 30g sodium bisulfite and 30g sodium acetate are added. , Stir for 4h, then get acid and alkali resistant wetting agent.

Example Embodiment

[0013] Example 3
[0014] Add 120g maleic anhydride, 80g lauryl alcohol polyoxyethylene ether, 60g nonylphenol polyoxyethylene ether and 10g p-toluenesulfonic acid into the reaction kettle, raise the temperature to 200℃, and control the vacuum degree between -0.098MPa After reacting for 6 hours, check the acid value and hydroxyl value of the reaction solution. The measured acid value of the reaction solution is 0.65 and the hydroxyl value is 110. Both the acid value and the hydroxyl value are not up to the standard. Continue the reaction for 4 hours and check the acid value of the reaction solution again. And the hydroxyl value, the measured acid value of the reaction solution is 0.36, the hydroxyl value is 110, which reaches the standard value, the temperature of the reaction solution is reduced by 80 ℃, 20g sodium bisulfite, 20g sodium acetate are added, and the reaction solution is stirred for 4 hours to obtain Wetting agent for acids and bases.

PUM

no PUM

Description & Claims & Application Information

We can also present the details of the Description, Claims and Application information to help users get a comprehensive understanding of the technical details of the patent, such as background art, summary of invention, brief description of drawings, description of embodiments, and other original content. On the other hand, users can also determine the specific scope of protection of the technology through the list of claims; as well as understand the changes in the life cycle of the technology with the presentation of the patent timeline. Login to view more.

Similar technology patents

Graphene film and preparation method therefor

Owner:CHANGZHOU FUXI TECH CO LTD

Driving working load calculation method of automobile driver

InactiveCN101690666AImprove accuracy and timelinessEasy to operate
Owner:BEIJING UNIV OF TECH

Classification and recommendation of technical efficacy words

  • easy to operate
  • Reaction conditions are easy to control

Lancet device

InactiveUS7303573B2inexpensively mass-producedeasy to operate
Owner:ABBOTT DIABETES CARE INC

Rapid and non-invasive optical detection of internal bleeding

InactiveUS20050065436A1easy to operaterapid and accurate result
Owner:HO WINSTON ZONH +2

Maleic acid anhydride series concrete water-reducing agent and preparation process thereof

InactiveCN1792960AThe feeding procedure is simpleReaction conditions are easy to control
Owner:WUHAN UNIV OF TECH

Preparation method of testosterone enanthate

InactiveCN102558267AReaction conditions are easy to controleasy to operate
Owner:YICHENG GOTO PHARMA

Method for synthesizing 2,3,3,3-tetrafluoropropene

ActiveCN102199071Alow priceReaction conditions are easy to control
Owner:泉州宇极新材料科技有限公司

Prepn. of water soluble chitosan with controllable molecular weight

InactiveCN1389477Ano by-productsReaction conditions are easy to control
Owner:SHANGHAI JIAO TONG UNIV

Method for preparing silica through coal gangue aluminum extraction waste slag

InactiveCN103420386AReaction conditions are easy to controlHigh product purity
Owner:SHANXI UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products