Renewable Materials

Motivation

During our research we have used a wide array of molding materials, however none of them was close to matching our specifications. Those materials were:

  • Unable to produce desired molding intricacy;
  • Had poor adhesion properties - quick delamination;
  • Were non-replenishable;
  • Classified as dangerous - creating shipping difficulties;
  • Expensive.

Result

GlucoEucaLac (GEL) 1.0 – a composition of Glucose (saccarides), Eucalyptus[1] (solvent) and Shellac (polyester type of resin). GEL is a renewable thermoplastic resin (RTR) which can be annealed and molded into a dimensionally stable structure, which demonstrates both microbial resistance and biodegradability. GlucoEucoLac (GEL) 1.0, a biologically derived compound with the following properties:

  • Extremely high molding intricacy;
  • Excellent adhesion;
  • Demonstrates microbial resistance properties;
  • Derived from plants and bug secretion creating sustainable industries; recyclable ingredients;
  • Glucose and Eucalyptus are commonly available goods in Australian supermarkets, while shellac flakes are easily shippable;
  • Relatively inexpensive.

GEL 1.0 properties vary in composition balance and annealing parameters.

glucoeucalac.jpg

Image: Renewable thermosetting GEL 1.0


GlucoEucaLac (GEL - 1.0) Renewability

  • Glucose Syrup is widely used in confectionery like hard candy, caramels, jellies and marshmallows. Glucose syrup is a purified concentrated aqueous solution of saccharides (biopolymer) obtained from green plants (energy storage).
  • Eucalyptus Oil is photosynthesized (produced by tree leafs) and distilled, creating a liquid which can be used as an industrial grade solvent. Care should be exercised in with working with any solvent and appropriate safety equipment should be used.
  • Shellac is a processed Lacca bug secretion. Shellac is a resin consisting of inter- and intra-ester of polyhydroxy carboxylic acids.

In addition to being used as a molding agent in the construction of mirrors, GEL has scope for a wide range of industrial applications (not limited to): Thermoplastic injection molding, 3D printing, pressure molding, adhering, bonding, filling and repairing.

Safety & Handling information:
[1] Eucalyptus oil is a solvent and toxic if ingested in concentrated form and is also flammable when concentrated. Use care and exercise a professional manner (Use of safety equipment: fire extinguishers, proper ventilation, respirator, gloves, & eye protection). Cfree also advises checking postal or shipping requirements as 100% w/v eucalyptus oil is highly flammable.


We invite partnerships and collaborators to advance the development & collaboration of this renewable compound.

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