ISO/R 1147:1969

Title missing - Legacy paper document

ISO/R 1147:1969

Name:ISO/R 1147:1969   Standard name:Title missing - Legacy paper document
Standard number:ISO/R 1147:1969   language:English language
Release Date:31-Dec-1968   technical committee:ISO/TMBG - Technical Management Board - groups
Drafting committee:ISO/TMBG - Technical Management Board - groups   ICS number:
Ref. No. : ISO/R 1147-1969 (E)
UDC 678.5/.8 : 541.18.04
IS0
I NTERN AT1 O N A L O RG A N IZ AT I ON FO R S TA N DA RD IZATIO N
IS0 RECOMMENDATION
R 1147
PLASTICS
AQUEOUS DISPERSIONS OF POLYMERS AND COPOLYMERS
FREEZE-THAW CYCLE STABILITY TEST
1st EDITION
November 1969
COPYRIGHT RESERVED
The copyright of IS0 Recommendations and IS0 Standards
belongs to IS0 Member Bodies. Reproduction of these
documents, in any country, may be authorized therefore only
by the national standards organization of that country, being
a member of ISO.
For each individual country the only valid standard is the national standard of that country.
Printed in Switzerland
Also issued in French and Russian. Copies to be obtained through the national standards organizations.

---------------------- Page: 1 ----------------------
-2-
BRIEF HISTORY
The IS0 Recommendation R 1147, Plastics - Aqueous dispersions of polymers and copolymers - Freeze-thaw
cycle stabiliîy test, was drawn up by Technical Committee ISO/TC 6 1, Plastics, the Secretariat of which is held
by the American National Standards Institute (ANSI).
Work on this question led to the adoption of a Draft IS0 Recommendation.
In May 1968, this Draft IS0 Recommendation (No. 1623) was circulated to all the IS0 Member Bodies for
i
enquiry. It was approved, subject to a few modifications of an editorial nature, by the following Member Bodies :
Spain
Austria Israel
Sweden
Belgium Italy
Switzerland
Brazil Japan
Korea, Rep. of Turkey
Czechoslovakia
Netherlands U.A.R.
France
Germany Poland United Kingdom
Hungary Portugal U.S.A.
Romania U.S.S.R.
India
Iran South Africa, Rep. of
No Member Body opposed the approval of the Draft.
This Draft IS0 Recommendation was then submitted by correspondence to the IS0 Council, which decided,
in November 1969, to accept it as an IS0 RECOMMENDATION.

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-3- ISO/R 1147-1969 (E)
I SO Recommendation R 1147 November 1969
PLASTICS
AQUEOUS DISPERSIONS OF POLYMERS AND COPOLYMERS
FREEZE-THAW CYCLE STAB1 LlTY TEST
1. SCOPE AND FIELD OF APPLICATION
This IS0 Recommendation describes a procedure for the evaluation of the freeze-thaw cycle stability
1.1
of aqueous dispersions.
The freezing temperature is normally - 1 O OC, but in special cases, a lower temperature can be used.
1.2 The test has no significance if the sample is not frozen under the test conditions.
1.3 The procedure is suitable for all aqueous polymer and copolymer dispersions.
2. PRINCIPLE
Placing of a sample of the dispersion being tested in a refriger
...

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