1) Thermoplastic Corn Starch – Polyvinyl Alcohol Compostable Plastic
Corn starch is renewable, agricultural bio-based, low cost and bio-degradable /
compostable source of plastic. It is blended with another bio-degradable polymer i.e.
Polyvinyl Alcohol. The TPS – PVA compound is used for extrusion blowing of films
that are used for producing single use carry bags, shopping bags, garbage bags,
bags for packing of fruits & vegetables, agricultural mulch films which are 100%
compostable. The corn starch – PVA plastic blend film does not drip when burned,
does not stick to hot iron and is completely soluble in boiling water. The compound
can be also used for extrusion of sheets for producing thermoformed - plates, trays,
thalis, cups, bowls etc. that are 100% bio-degradable and compostable in natural
environment.
2) PBAT, PLA and other Bio-degradable Plastic Compounds
Polybutylene adipate terephthalate (PBAT) is a biodegradable random co-polymer
(co-polyester of adipic acid, 1,4-butanediol and terephthalic acid). Main advantage of
PBAT is that it is a fully biodegradable alternative to LDPE, having similar properties
including high flexibility and toughness, allowing it to be used for various packaging
applications.
PBAT is blended with Thermoplastic Starch (TPS), Polylactide (PLA) and mineral
fillers to produce extrusion blown films for packaging applications.
PLA or Polylactide is a versatile commercial biodegradable thermoplastic based on
lactic acid. Lactic acid monomers can be produced from 100% renewable resources,
like sugarcane molasses, corn and sugar-beet starch etc. PLA is produced by
formation of lactide monomer first and the formed lactide is then put through ring-
opening- polymerization using metal alkoxides as catalysts resulting in high
molecular weight polyester.
PLA is blended with Thermoplastic Starch (TPS), PBAT and mineral fillers to produce
extrusion blown films for packaging applications, extruded rigid sheets for
thermoformed products and injection moulded articles like cutlery, rigid packaging
and consumer articles.
Polybutylene Succinate (PBS) is a biodegradable and compostable polyester with
melting temperature exceeding 100°C, which is important for applications that require
a high temperature range. Copolymers of PBS like PBST or Poly (butylene succinate
- terephthalate) and PBSA or Poly (butylene succinate - adipate terephthalate)
possess good biodegradability along with desirable physical properties.
Poly-Hydroxy-Alkanoates (PHAs) are a family of biobased polyesters that are
suitable for even the most challenging food packaging applications. PHAs are
biodegradable, readily compostable thermoplastics, produced by microbial
fermentation of industrial by-products (molasses, whey, glycerol) and organic waste
feedstocks (agricultural waste, waste cooking oils, vegetable waste etc.) Properties
of PHA polymers are customizable to the application.
3) Bio Plasticizer to replace phthalate-based plasticizers
Renewable, agricultural, non-edible oil based bio plasticizer is well placed to replace
phthalate based and other competing plasticizers in soft PVC compounds without
sacrificing product performance at a competitive cost. Castor Oil based plasticizer is
an ideal choice due to its abundant availability in India, non-edible oil and its
chemistry that enables production of plasticizer with superior functionality. Bio-
plasticizers can be also based on cottonseed oil, palm oil, rice bran oil, linseed oil
etc.
4) Food Grade Plasticizers
Produced from plant / agricultural based glycerin derivatives. Examples of such food
grade plasticizers are Acetylated Monoglycerides (AMG), Acetylated Citric Acid
Esters of Monoglyceride (ACMG), Polyglycerol Esters of Fatty Acids (PGE), Calcium
or Zinc Stearoyl Lactylate etc.
Recycling of Plastics
Last year India consumed around 13 million tons of commodity plastics and generated
around 9 million tons of plastic waste. Have you ever wondered what happens to your used
toothpaste tubes, Tetra packs, carry bags, sachets, flexible food packaging – these go into
municipal landfills or clog the sewerage system. However, certain waste plastic streams like
PET bottles, PP woven sacks, HDPE containers, PVC & PE pipes, automotive bumpers,
white goods (to name a few) are recycled and used to partially replace virgin plastics.
To provide a sense of scale, India consumed more than a million tons of PET resin last year
to produce bottles for packaged water and soft drinks. Recycling of plastics has become an
environmental necessity as well as an economic imperative to save natural resources (India
imports more than 80% of its crude oil and petrochemical inputs). Regulatory pressure from
government (like Maharashtra plastic ban, Tamil Nadu plastic lined paper cup ban) has added urgency to the matter. We can provide complete technical consultancy services to set
up various types of recycling units.
1) Recycling of post-consumer waste PET bottles into value added products
a) Recycled Polyester Filament Yarn (Re-POY) that is processed into draw textured
yarn (DTY) used for manufacturing of
ready-made garments, inner wear, upholstery, furnishings etc.
b) Recycled Polyester Staple Fiber (Re-PSF) used in production of polyester yarn, fiber
fill, non-woven textiles - e.g.
exhibition carpets, carpet backing, automotive insulation, technical / medical / Geo
textiles etc.
c) Extruded Clear Recycled PET Rigid Sheet for thermoformed packaging (consumer
electronics, computer accessories)
d) Co- extruded Clear Sandwich PET Sheet (Virgin + Recycled + Virgin) for food
contact packaging (dairy & bakery)
e) Recycled PET resin pellets for partially replacing virgin resin in different products
f) Bottle grade PET Resin (US FDA approved) from waste PET Bottles by means of
special process
g) Extruded PET Strapping Tape
(Please see attached our literature on the New Project Ideas web-page)
2) Recycling of Commodity Thermoplastics
a) Recycled polypropylene pellets (granules) from waste PP raffia woven sacks (end-of-
life), BOPP films (post industrial waste), Automotive bumpers etc.
b) Recycled high density polyethylene pellets (granules) from waste HDPE industrial
drums, pipes etc.
c) Recycled low density polyethylene pellets (granules) from waste LDPE films (both
post-consumer & post-industrial waste)
d) Recycled U-PVC pellets (granules) from waste U-PVC pipes & window profiles
e) Recycled mixed plastic waste pellets (granules) e.g. mixed PP & HDPE / LDPE
3) Recycling of Engineering Plastics
a) Recycled Nylon compound pellets from end of life carpet backing & fishing nets, post-
industrial tyre cord fabric waste, post-industrial nylon filament yarn waste
b) Recycled ABS compound pellets from end-of-life white consumer goods e.g.
refrigerator, washing machine, TV casings etc.
c) Compounded pellets from mixed recycled ABS & PET
d) Other recycled engineering plastics like Polycarbonate (PC) and Acrylic (PMMA)
4) Recycling of Mixed Plastic Waste (MPW)
We can provide technical know-how to recycle mixed plastic waste (e.g. mix of LDPE
& PP or HDPE & PP) with the use of special additive and processing methods.
> Cryogenic Grinding to produce Micronized Rubber Powder
> Fly Ash Polyurethane Composite lumber
> Bamboo Fiber Plastic composites
> Superfine (Nano) Calcium Carbonate
> Nano Cellulose and composites
(Please see attached our literature on the subjects on the left of the web-page)