GB8324388D0 - Making water dispersible pva-aldehyde reaction product - Google Patents

Making water dispersible pva-aldehyde reaction product

Info

Publication number
GB8324388D0
GB8324388D0 GB838324388A GB8324388A GB8324388D0 GB 8324388 D0 GB8324388 D0 GB 8324388D0 GB 838324388 A GB838324388 A GB 838324388A GB 8324388 A GB8324388 A GB 8324388A GB 8324388 D0 GB8324388 D0 GB 8324388D0
Authority
GB
United Kingdom
Prior art keywords
reaction product
water dispersible
making water
aldehyde reaction
pva
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
GB838324388A
Other versions
GB2127834B (en
GB2127834A (en
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.)
WR Grace and Co
Original Assignee
WR Grace and Co
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 WR Grace and Co filed Critical WR Grace and Co
Publication of GB8324388D0 publication Critical patent/GB8324388D0/en
Publication of GB2127834A publication Critical patent/GB2127834A/en
Application granted granted Critical
Publication of GB2127834B publication Critical patent/GB2127834B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/28—Moving reactors, e.g. rotary drums
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/48—Isomerisation; Cyclisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/0053—Controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00592—Controlling the pH

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB08324388A 1982-09-27 1983-09-12 A continuous process for making solid free-flowing water dispersible pva-aldehyde reaction product Expired GB2127834B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42379882A 1982-09-27 1982-09-27

Publications (3)

Publication Number Publication Date
GB8324388D0 true GB8324388D0 (en) 1983-10-12
GB2127834A GB2127834A (en) 1984-04-18
GB2127834B GB2127834B (en) 1985-12-04

Family

ID=23680224

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08324388A Expired GB2127834B (en) 1982-09-27 1983-09-12 A continuous process for making solid free-flowing water dispersible pva-aldehyde reaction product

Country Status (1)

Country Link
GB (1) GB2127834B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8716378D0 (en) * 1987-07-11 1987-08-19 Autotype Int Ltd Photopolymerisable compositions
FR2704219B1 (en) * 1993-04-23 1995-06-09 Schlumberger Cie Dowell NOVEL POLYVINYL ALCOHOL (PVA) CHEMICALLY CROSSLINKED, ITS SYNTHESIS PROCESS AND ITS APPLICATIONS AS A FILTER CONTROL AGENT IN OIL FLUIDS.
CN100355854C (en) * 2005-11-22 2007-12-19 刘伟 Dispersion dehydration-reducing agent for oil field well cementation and its preparing method
US9012570B2 (en) * 2009-04-18 2015-04-21 Eastman Chemical Company Continuous production of poly(vinyl butyral)
CN109679604B (en) * 2019-01-28 2021-01-05 中国石油大学(华东) Salt-resistant and high-temperature-resistant hydrogel and preparation method and application thereof

Also Published As

Publication number Publication date
GB2127834B (en) 1985-12-04
GB2127834A (en) 1984-04-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee