The effect of plasticizers on transport Brazil

  • The effect of plasticizers on transport Brazil
  • The effect of plasticizers on transport Brazil
  • The effect of plasticizers on transport Brazil
  • Does transportation infrastructure affect agricultural production in Brazil?
  • Conversely, limited impacts on global agricultural outputs and cropland changes are identified (Supplemental material A.5). On the other hand, the distribution of agricultural production within Brazil – and hence its associated environmental impacts – is heavily influenced by the projected developments in transportation infrastructure.
  • How does temperature affect the plasticiser migration process?
  • In addition, other ageing processes, such as the oxidation and annealing of polymers, are also accelerated at high temperature. 50 Any effects of these processes on the plasticiser migration process should be determined to yield a correct prediction.
  • Do plasticisers migrate from polymers to a gas phase?
  • This paper addresses the kinetics and predictions of plasticiser migration from polymers to a surrounding gas phase, an important issue for plastic and rubber products exposed to high service temperature conditions and during accelerated ageing and testing.
  • Does a planned railway expansion reshape Brazil's port competitiveness?
  • They find that the planned railway expansion would improve the connectivity between Brazil's Center-west region with coastal regions in the Southeast-South and that would reshape port competitiveness in the country. However, their study does not address the associated agricultural and environmental impacts.
  • What causes plasticiser migration in biopolymers?
  • Studies have shown that the migration behaviour of plasticiser in biopolymers is often complex. This is caused by: (i) cold crystallisation during service/ageing, (ii) phase separation between the plasticiser and the polymer, and (iii) hydrolysis and interactions with water.
  • How do plasticisers affect the diffusion properties of biopolymers during ageing?
  • The cold crystallisation of biopolymers, such as PLA 38, 54, 55, 56 and starch 57, 58, is accelerated in the presence of plasticisers, 59 which increases the crystallinity and then the plasticiser concentration in the amorphous region. This, in turn, affects the plasticiser diffusion properties during ageing.

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