Polymers - Schedule Part D
Last update 20 June 2017
This part of the schedule covers polymers. The numbering used is consistent with the numbering in the schedule to the Act.
The information you provide under this schedule must characterise the polymer as closely as possible (identity and composition). The information must complement the information given under Part B, paragraphs 1 and 2, where details of the complete polymer mixture—that is, the polymer and its additives and adjuvants—are provided (or, the information must complement the details you provide on the complete polymer mixture, that is, the polymer and its additives and adjuvants.)
All monomers and other reactants must be identified according to the following guidelines:
- Reactive functional groups
- Functional group equivalent weight
- Molecular weight
- Cationic polymers
- Hazard classification
- Elemention criteria
- Degradable or unstable polymers
- Water absorbing polymers
Weight–percentage of ingredients
You need to provide the maximum weight–percentage of each monomer and all other reactants used to manufacture the polymer.
Include all substances used in manufacturing the polymer that become part of the polymer composition. Reactants include chain transfer and cross-linking agents, modifying groups and other end groups incorporated into the polymer. Also include post-reacting agents used in the manufacture of post-reacted polymers.
The weight–percentage of reactant must be based on the dry weight of polymer.
Number–average molecular weight of the polymer
If more than one molecular weight composition of the polymer is to be manufactured, you need to provide the number–average molecular weight of the lowest molecular weight composition. Also provide the weight–average molecular weight and an indication of the molecular weight distribution (polydispersity).
Indicate the method used to determine the molecular weight (for example, size exclusion chromatography). Include a report of the analysis in your notification statement.
Maximum weight–percentage of residual monomer/s and all other reactants
You need to provide the maximum weight–percentage of all residual monomers and other reactants at the completion of manufacture or at the time of importation.
Indicate the method used to determine the concentrations of reactants (for example, gas chromatography) and the name of the organisation that conducted the test. Include a report of the analysis with your application.
Low molecular weight polymer
You need to provide the maximum weight-percentage of the low molecular weight fraction of the polymer—that is, the fraction with molecular weight below 1000 daltons and the fraction with a molecular weight below 500 daltons. The low molecular weight fractions are usually determined in the one analysis with the weight–average and number–average molecular weights.
Indicate the method used to determine the low molecular weight fractions. Include a report of the analysis with your application (for example, for a GPC analysis include the slice data).
You need to provide information on all products resulting from the degradation, decomposition or depolymerisation of the polymer.
Include details on the conditions under which degradation, decomposition or depolymerisation take place. Provide the rate and mode for each and the likely proportion of products formed. In particular, provide information on all dangerous and hazardous products.
Include information on the degradation products likely to be produced during or after the disposal of the polymer.
Loss of monomers, other reactants, additives and impurities
You must provide information on the natural loss of monomers, reactants, additives and impurities from the polymer, to assess health and environmental effects during its use. Data must include loss by:
- volatility,for example, monomer
- exudation, for example, additive
- leaching,for example, by water or oil.
Indicate the conditions under which such loss may occur.