Results 41 to 50 of about 462,312 (239)

Molding apparatus [PDF]

open access: yes, 1974
Apparatus for compression molding of thermosetting plastics compositions including interfitting hollow male and female components is reported. The components are adapted to be compressed to form a rocket nozzle in a cavity.
Heier, W. C.
core   +1 more source

The Chicken Aorta as a Simulation-Training Model for Microvascular Surgery Training [PDF]

open access: yesArchives of Plastic Surgery, 2013
As a technically demanding skill, microsurgery is taught in the lab, in the form of a course of variable length (depending on the centre). Microsurgical training courses usually use a mixture of non-living and live animal simulation models.
Savitha Ramachandran   +2 more
doaj   +3 more sources

Study on the degradation performance and mechanism of biodegradable plastics in simulated physiological environments

open access: yese-Polymers
Biodegradable plastics have been widely used in medical fields such as sutures, tissue engineering scaffolds, and drug delivery carriers due to their excellent biocompatibility and degradability.
Zhang Ze-Yang   +9 more
doaj   +1 more source

Preparation of Higher Molecular Weight Poly (L-lactic Acid) by Chain Extension

open access: yesInternational Journal of Polymer Science, 2013
High molecular weight poly (lactic acid) (PLA) was obtained by chain extending with hexamethylene diisocyanate (HDI). The influences of the amount of chain extender, reaction time, and molecular weight changes of prepolymers on the poly(lactic acid) were
Chenguang Liu, Yuliang Jia, Aihua He
doaj   +1 more source

Presence and the global implications of plastics in wild commercial fish in the Alboran Sea [PDF]

open access: gold, 2021
Sergio López‐Martínez   +4 more
openalex   +1 more source

Technology and innovation management : analysis of the New Zealand plastics industry : technology status, problems and opportunities : a thesis presented in partial fulfilment of the requirements for the degree of Master of Technology in Production Technology at Massey University [PDF]

open access: yes, 1994
The aim of this thesis is to evaluate the status of innovation and technology management in the New Zealand plastics industry using a survey. This thesis provides a comparison of plastics manufacturing capability in New Zealand and in other industrial ...
Pan, Xiaoping
core  

Biodegradable and compostable alternatives to conventional plastics [PDF]

open access: yes, 2009
This article is available open access through the publisher’s website at the link below. Copyright @ 2009 The Royal Society.Packaging waste forms a significant part of municipal solid waste and has caused increasing environmental concerns, resulting in a
BPF   +19 more
core   +1 more source

Interfacial nanocomposite sensors (sQRS) for the core monitoring of polymer composites’ fatigue and damage analysis

open access: yesNanocomposites, 2018
The quick development of the smart factory and prognostic and health management (PHM), in the fields of aeronautic, automotive and green energies, is evidencing a need for sensors able to monitor the behavior of composite materials all along their life ...
Suvam Nag-Chowdhury   +5 more
doaj   +1 more source

Neodymium-Mediated Coordinative Chain Transfer Polymerization of Isoprene in the Presence of External Donors

open access: yesMolecules, 2023
Nd-based polydiene elastomers, including NdIR and NdBR, are regarded as indispensable key raw materials in preparing green tires with excellent performance capabilities, but their wide application is still limited by the relative higher cost of Nd ...
Aiwu Ding   +5 more
doaj   +1 more source

Safety assessment of the process Silver Plastics, based on the Reifenhäuser technology, used to recycle post‐consumer PET into food contact materials [PDF]

open access: diamond, 2023
Claude Lambré   +22 more
openalex   +1 more source

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