GB1026444A - Starch adhesive and process for its preparation - Google Patents

Starch adhesive and process for its preparation

Info

Publication number
GB1026444A
GB1026444A GB4974763D GB4974763D GB1026444A GB 1026444 A GB1026444 A GB 1026444A GB 4974763 D GB4974763 D GB 4974763D GB 4974763 D GB4974763 D GB 4974763D GB 1026444 A GB1026444 A GB 1026444A
Authority
GB
United Kingdom
Prior art keywords
enzyme
heated
preparation
shearing action
superatmospheric pressure
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
Application number
GB4974763D
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.)
Mead Corp
Original Assignee
Mead Corp
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 Mead Corp filed Critical Mead Corp
Publication of GB1026444A publication Critical patent/GB1026444A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J103/00—Adhesives based on starch, amylose or amylopectin or on their derivatives or degradation products
    • C09J103/02—Starch; Degradation products thereof, e.g. dextrin

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

A starch paste is partially hydrolysed by an amylase enzyme, heated to a temperature sufficient to deactivate the enzyme, and then subjected to high shearing action at 260-300 DEG F. and at superatmospheric pressure. The aqueous starch paste or slurry may be heated with the enzyme (e.g. 0.009-0.0107%) by direct steam to 170 DEG F., the enzyme then being deactivated by direct steam heating to 220 DEG F. High shearing action may be applied by injecting steam at superatmospheric pressure into the paste. The product has low viscosity and high solids content, and is mixed with clay to form the adhesive paper coatings.
GB4974763D 1963-02-13 1963-12-17 Starch adhesive and process for its preparation Expired GB1026444A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25815463A 1963-02-13 1963-02-13

Publications (1)

Publication Number Publication Date
GB1026444A true GB1026444A (en) 1966-04-20

Family

ID=22979317

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4974763D Expired GB1026444A (en) 1963-02-13 1963-12-17 Starch adhesive and process for its preparation

Country Status (1)

Country Link
GB (1) GB1026444A (en)

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