[특허]Stable water-in-oil emulsion polymers with small particle size

Stable water-in-oil emulsion polymers with small particle size 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C08L-033/02
출원번호	US-0633304 (1975-11-19)
발명자 / 주소	Slovinsky Manuel (Woodridge IL) Hurlock John R. (Hickory Hills IL)
출원인 / 주소	Nalco Chemical Company (Oak Brook IL 02)
인용정보	피인용 횟수 : 32 인용 특허 : 0

초록 ▼

Stable water-in-oil emulsions of water soluble ethylenically unsaturated polymers are prepared using as a water-in-oil emulsifying agent a partially esterified lower N,N-dialkanol substituted fatty amide. Additionally, from 5-50 weight percent of the surfactant may be from surfactants of the following classes: A. Salts of fatty tertiary amines, said fatty tertiary amine having one alkyl group containing from 15-22 carbon atoms, and two alkyl groups having from 1-3 carbon atoms, said salt selected from the group of anions consisting of halogens, sulfate, and sulfite; B. Quaternary salts of the above fatty tertiary amines; C. Alkali metal salts of fatty acids containing 15-22 carbon atoms; and, D. Alkyl or alkyl aryl sulfates and sulfonates containing 8-22 carbon atoms. The above system yields latices of small particle size having improved storage stability.

대표청구항 ▼

In a method for preparing water-in-oil emulsions of water soluble vinyl addition polymers and copolymers of the general type wherein a water-in-oil emulsion is formed consisting of a water-soluble ethylenically unsaturated monomer having a water solubility of at least 5 weight percent and aqueous solutions thereof, in an inert hydrophobic liquid organic dispersion medium containing between 0.1 and 21.0 percent by weight of a water-in-oil emulsifying agent, wherein the proportion of monomer phase ranges between 30 and 95% of the emulsion, heating the emulsion under free radical forming conditions to polymerize the monomer in a disperse phase in said dispersion medium and recovering the polymerized latex product, the improvement which comprises using a water-in-oil emulsifying agent an oil soluble partially esterified lower N,N-dialkanol fatty amide wherein the fatty group contains from 15-22 carbon atoms, said esterifying agent being a fatty acid containing 15-22 carbon atoms and being reacted with the lower N,N-dialkanol fatty amide in a mole ratio of fatty acid to amide of 0.25:1 to 0.75:1.

이 특허를 인용한 특허 (32)

Churchfield, Mechelle Ann; Young, Timothy J.; Chen, Mai; Tomczak, Thomas L., Aqueous dispersion of fatty amide.
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Manilal S. Dahanayake ; Fang Li ; Jean-Luc Joye, Emulsions having activating agents of alkoxylates of 6, 6-dimethylbicyclo [3.1.1] hept-2-ene-2-ethanol.
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Chang, Kin-Tai; Wells, Kirk E.; Mello, Jesse V., Environmentally friendly dispersion system used in the preparation of inverse emulsion polymers.
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Tippett James Morton,AUX ; Farquharson Graeme John,AUX ; Selvarajan Radhakrishnan ; Malito John T., Fatty acid free latex polymer flocculants.
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Kaesler Ralph W. (Barrington IL) Robinson Donald G. (Lakeland FL) Moss Wayne L. (Columbia SC) Failon Brian K. (Wheaton IL), Filtration aids for removal of calcium solids from aqueous phosphoric acid.
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Fong Dodd W. (Naperville IL) Allain Ronald J. (Naperville IL), Hydrogenation of residual monomers in partially polymerized acrylamide copolymers in latex form.
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Fong Dodd W. (Naperville IL) Allain Ronald J. (Naperville IL), Hydrogenation of residual monomers in partially polymerized acrylamide copolymers in latex form.
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Phillips Kenneth G. (River Forest IL) Frisque Alvin J. (Western Springs IL), Method for precisely controlling the dissolution rate of high molecular weight water-soluble vinyl polymers.
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Reese,Rhys R.; Rey,Paul, Method of fracturing subterranean formations utilizing emulsions comprising acrylamide copolymers.
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Tippett James Morton,AUX ; Farquarson Graeme John,AUX ; Selvarajan Radhakrishnan ; Malito John T., Method of removing insoluble materials from bayer process with fatty acid and fatty acid free polymer flocculants.
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Frederick, Kevin W; Chen, Shih-Ruey T, Method of treating a formation.
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Shortt Alexandra B. (Houston TX) Gupta D. V. Satyanarayana (The Woodlands TX), Method of treating surface with water-in-oil emulsion composition.
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Kerr E. Michael (Naperville IL) Szyszko Bernard R. (Warrenville IL), Micro-emulsion drawing fluids for steel and aluminum.
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Witt Edward (Framingham MA), Mixed sulfonated emulsifying agents used to produce adhesive compositions from acrylic monomers and adhesive tape using.
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Emerson Richard R. (Midland MI) Lee Do I. (Midland MI) Easterly James P. (Bay City MI), Multi-modal emulsions of water-soluble polymers.
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Stone Henry D., Oil emulsion vaccines prepared with animal, vegetable, and synthetic oils using a mixture of nonionic surfactants.
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Phillips Kenneth G. (River Forest IL) Bingham Mary E. (Palos Hills IL), Polymerization of water soluble polymers in water-in-oil latex form to produce emulsions containing high polymer solids.
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Fong Dodd W. (Naperville IL), Process for making acrylamido methane sulfonic acid polymers.
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Fong Dodd W. (Naperville IL), Process for making acrylamido methane sulfonic acid polymers.
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Fong Dodd W. (Naperville IL), Process for preparing high molecular weight hydrophobic acrylamide polymers.
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Chen Fu (Newtown PA) Connors Edward J. (Blue Bell PA), Self-inverting, water-in-oil emulsions.
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Dammann Laurence G. (Crestwood KY), Stable high solids water-in-oil slurry dispersion composition.
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Shortt Alexandra B. (Houston TX) Gupta D. V. Satyanarayana (The Woodlands TX), Surface treating water-in-oil emulsion composition and method.
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Larson Eric H. ; Dahanayake Manilal ; Busler William R., Surfactant for self-inverting polyacrylmides.
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Chan Marie S. (Library PA), Surfactant system for emulsion polymers.
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Chan Marie S. (Library PA), Surfactant system for emulsion polymers.
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Bhattacharyya Bhupati R. (Downers Grove IL) Slovinsky Manuel (Woodridge IL) Wachala Raymond J. (Chicago IL) Beske Lawrence E. (Palos Hills IL) McCullar Michael L. (Warrenville IL), Terpolymer composition.
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Wetegrove Robert L. (Winfield IL) Kaesler Ralph W. (Barrington IL), Use of amidase for reducing the acrylamide content of water-in-oil emulsions containing acrylamide polymers.
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Branning Merle L. (Warrenville IL), Use of fatty acids for improvement in shear stability of water-in-oil emulsions.
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Wetegrove Robert L. (Winfield IL) Kaesler Ralph W. (Barrington IL) Bhattacharyya Bhupati (Downers Grove IL), Water-in-oil emulsions of amidase.
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Cerf, Martine; Triballier, Karine; Benard, Françoise, Water-in-oil polymer emulsion and method for making same.
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Rey, Paul, Water-in-oil polymer emulsion containing microparticles.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Stable water-in-oil emulsion polymers with small particle size 원문보기

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Stable water-in-oil emulsion polymers with small particle size 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (32)

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