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As recognized by the American Society for Testing and Materials, ( ASTM International ) standard guide D6954-04,oxo-biodegradable plastics return to the ecosystem via a 2-stage process.

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Exposing and Testing Plastics that Degrade in the Environment by a Combination of Oxidation and Biodegradation

As recognized by the American Society for Testing and Materials, ( ASTM International ) standard guide D6954-04,oxo-biodegradable plastics return to the ecosystem via a 2-stage process.

The first stage is called degradation – a chemical or abiotic step where the plastic molecules react with ambient oxygen and are broken into much smaller hydrophilic ( water-loving / water- wettable ) molecules.  The triggers for this reaction are heat, ultraviolet light and mechanical stress.  The partially disintegrated molecules are now amenable to biodegradation.   Next, after consumption by naturally occurring micro-organisms, what remains is CO2, H2O and a small quantity of minerals and biomass.

The degradability rate is the time between the “kick-off time” ( initiation of the oxidation process) and “end-degradation point“ ( time when the sample becomes totally degraded ) in the end-disposal environment ( e.g. landfills ). The time frame varies depending on exposure to triggers ( heat, ultraviolet light ) in differing ambient conditions. Studies have shown that there is enough oxygen present in the top 15 feet of a landfill to sustain the degradation reaction.

To ensure performance of the packaging, we must be conservative about the initiation point of degradation. This is reliably interpolated with standard testing conditions.

oxo biodegradable technology is the only commercilized technology that can convert ordinary plastics to degradable plastics with no compromise on price and quality.

isn't it wasteful to use pe carrier bags?

no it isn't, for the following reasons:

a) It requires much less energy to make PE bags than to make paper bags.

b) More air pollution and water pollution is caused by making paper bags.

c) Transportation costs are much higher for paper bags.

d) Paper bags do not have good wet strength.

e) If plastic packaging were eliminated and replaced with more conventional materials, it has been estimated that that the volume of packaging waste would increase by over 250%, the weight would increase by more than 400%, the energy consumption by over 200%, and costs by more than 200%.

wouldn't it be preferable to use plastics that are made from renewable resources, e.g., corn, rather than pe?

no, it would not, for the following reasons:

a) All plastics require energy inputs from fossil fuels for production, fabrication, transportation and the like. Some hydro-biodegradable plastics (so-called renewable plastics) are blends or mixtures with polymers that derive from petroleum sources. Some hydro-biodegradable plastics are made entirely from petroleum products (compare hydro and oxo). Those plastics that are made from crop derivatives require the use of synthetic fertilizers, pesticides and the like as well as energy for fermentation, separation and polymerization. (hydro plastics manufacturing process)

b) Those so-called bio-plastics, made from renewable resources such as food crops, are in competition for food of which there is already a shortage in the world, and for which prices are already too high for tens of millions of people.

c) Those so-called bio-plastics that derive from food such as corn are now in competition also with input for the manufacture of bio-fuels such as ethanol. Long term pricing and supply problems are inevitable. Projections to the time when non-edible green plants can be used for bio-plastics and bio-fuels are not helpful since already vast additional forested areas are being cleared to grow edible crops because lands currently used for agriculture are utilized for growing more corn and palms for bio-fuel.

d) The use of more nitrogen-based fertilizer to grow more corn will increase the amount of N2O, a greenhouse gas, in the atmosphere.

e) Post-consumer plastics other than the polyolefins (PE, PP) cannot be recycled with the existing plastics recycling stream. Any contamination of that stream by a so-called renewable bio-polymer, including especially the ones containing starch would render the stream useless. This would be a significant waste of resources.

f) In order to obtain different shelf-life/service-life performances for bio-plastics, a different resin would need to be synthesized for each product.
With d2w's technology, the same resins are used for a range of performance criteria, only the additive package
needs to be adjusted.

Welcome to the
Our reason for creating jtrend-systems® and promote degradable plastic bags is simple: We insist to provide products, information and inspiration that help people reduce, re-use and recycle. Starting with the controlled-life plastic technology, a simple step of have an insurance coverage of the everyday plastic you use. This creates a "mindset" to make sure when we utilize the advantage of plastic material, we also act responsibly to prevent any pollution it may possible bring to our environment. 

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J-Trend Systems, Inc. is a member of Oxo-biodegradable Plastic Association, Green America (formerly Coop America Business Network),The Organic Trade Association and a certified distributor and user of d2w controlled-life plastic technology

jtrend-systems® is a registered trademark of J-Trend Systems, Inc.

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