CA1293087C - Condensat d'acide aminoarylsulfonique-formaldehyde et melange de beton encontenant - Google Patents

Condensat d'acide aminoarylsulfonique-formaldehyde et melange de beton encontenant

Info

Publication number
CA1293087C
CA1293087C CA000578272A CA578272A CA1293087C CA 1293087 C CA1293087 C CA 1293087C CA 000578272 A CA000578272 A CA 000578272A CA 578272 A CA578272 A CA 578272A CA 1293087 C CA1293087 C CA 1293087C
Authority
CA
Canada
Prior art keywords
weight
parts
formaldehyde
phenol
acid
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.)
Expired - Fee Related
Application number
CA000578272A
Other languages
English (en)
Inventor
Susumu Tahara
Kazushige Kawada
Yuji Takahashi
Toru Takeuchi
Takahiro Furuhashi
Toshikazu Adachi
Tsutomu Teraji
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.)
Fujisawa Pharmaceutical Co Ltd
Original Assignee
Fujisawa Pharmaceutical 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 Fujisawa Pharmaceutical Co Ltd filed Critical Fujisawa Pharmaceutical Co Ltd
Priority to CA000578272A priority Critical patent/CA1293087C/fr
Application granted granted Critical
Publication of CA1293087C publication Critical patent/CA1293087C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Phenolic Resins Or Amino Resins (AREA)
CA000578272A 1988-09-23 1988-09-23 Condensat d'acide aminoarylsulfonique-formaldehyde et melange de beton encontenant Expired - Fee Related CA1293087C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000578272A CA1293087C (fr) 1988-09-23 1988-09-23 Condensat d'acide aminoarylsulfonique-formaldehyde et melange de beton encontenant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000578272A CA1293087C (fr) 1988-09-23 1988-09-23 Condensat d'acide aminoarylsulfonique-formaldehyde et melange de beton encontenant

Publications (1)

Publication Number Publication Date
CA1293087C true CA1293087C (fr) 1991-12-10

Family

ID=4138777

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000578272A Expired - Fee Related CA1293087C (fr) 1988-09-23 1988-09-23 Condensat d'acide aminoarylsulfonique-formaldehyde et melange de beton encontenant

Country Status (1)

Country Link
CA (1) CA1293087C (fr)

Similar Documents

Publication Publication Date Title
EP0308915B1 (fr) Produits de condensation d'acide aminoarylsulfonique, de phénol et de fomaldéhyde, et mélange de ciment le contenant
JP4611587B2 (ja) オリゴマー分散剤
US6908955B2 (en) Oligomeric dispersant
US5100984A (en) Water-soluble copolymers, a process for their preparation and their use as fluidizers in suspensions of solid matter
CA2342061C (fr) Polymeres pour adjuvants de dispersion de ciment
JPH0192212A (ja) 有機コンパウンドの改良
US4677159A (en) Process for the synthesis of highly stable sulfonated melamine-formaldehyde condensates as superplasticizing admixtures in concrete
JPH07106933B2 (ja) 水溶性のナフタリンスルホン酸―ホルムアルデヒド縮合生成物の塩を無機結合剤の混和剤として使用する方法
KR20010034109A (ko) 분말상 수경성 조성물용 분산제의 제조방법
US4079040A (en) Sulfo-containing phenol-formaldehyde condensates
US4820766A (en) Highly stable sulfonated melamine-formaldehyde condensate solution
CA1293087C (fr) Condensat d'acide aminoarylsulfonique-formaldehyde et melange de beton encontenant
JPH03187960A (ja) セメント用減水剤
JP4056811B2 (ja) 水硬性組成物
US5245001A (en) Aminoarylsulfonic acid-phenol-formaldehyde condensate and concrete admixture comprising the same
US4424074A (en) Additives for cementitious compositions
CN111484591B (zh) 一种缓凝型减水剂的制作方法
JP2000233956A (ja) セメント分散剤
JP3186038B2 (ja) コンクリート用分散剤
JP2696303B2 (ja) 分散剤及びその製造法
WO2000075208A1 (fr) Superplastifiant pour ciment
JPH0691149A (ja) 分散剤
JPS60210554A (ja) 水硬性セメント混和剤
KR0137479B1 (ko) 시멘트 혼합물의 첨가제로서 사용되는 신규 유기 공중합체 및 이의 제조 방법
JP3203269B2 (ja) 空気連行剤

Legal Events

Date Code Title Description
MKLA Lapsed