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Note for Guidance for Food Contact Materials
Page 32 of 126
for evaluation.
Ref:
1.4
polymer used as
additive:
Answer 'yes' or 'no'
If 'no' go to 2, if "yes" give information requested in
1.4.1 to 1.4.19 as complete as possible.

Polymeric additive means any polymer and/or
prepolymer and/or oligomer, which may be added
in plastics in order to achieve a technical effect but
which cannot be used as such for the manufacture
of finished materials and articles. It includes also
polymeric substances which may be added to the
medium in which polymerisation occurs.
1.4.1 chemical
name:
Give chemical name of substance, if any.
1.4.2 synonyms:
Set out synonyms, if any.
1.4.3 trade
name(s):
Set out trade name(s), if any.
1.4.4 CAS
Nr:
Set out CAS number, if any.
1.4.5 starting
substances:
Set out monomers and/or other starting substances.
1.4.6 manufacturing
details Set out production process, production control and
reproducibility of the process.
If known, indicate any alternative production process
and product that can be used, and whether such
products have the same characteristics.
Ref:
1.4.7 additive(s):
Set out additives used, if any.
1.4.8 structure
of
polymer:
Give structure of polymer.
1.4.9 weight
averaged
molecular mass:
Give weight averaged molecular mass.
Ref:
1.4.10 number averaged
molecular mass:
Give number averaged molecular mass.
Ref:
1.4.11 molecular
mass
range:
Give molecular mass range, distribution curve
inclusive:

Curve of the distribution of the molecular masses
(see figure below). This should be obtained by GPC
or by another agreed method.

-
The GPC calibration supplied should include
as standards samples of the same polymer, having
their molecular mass accurately determined by an
adequate technique (their molecular mass should lie
around 1000 D). Determine the weight averaged