used for medical plastics environmental plasticizer citric acid ester axt-168

 
toxicity of plastics used in medical practice ii ...

Toxicity of Plastics Used in Medical Practice II ...

Review Article Toxicity of Plastics Used in Medical Practice II. Toxicity of citric acid esters used as plasticizers D.B. Meyers, J. Autian, W.L. Guess, Drug-Plastic Research Laboratory, College of Pharmacy, University of Texas, Austin Drug-Plastic Research Laboratory, College of Pharmacy, University of Texas Austin The acute and chronic ...

Get Price
plasticizers commonly used polymer additives - materials today

Plasticizers Commonly used polymer additives - Materials Today

The use of polymers and plastics in specialty applications has evolved the plasticizer industry over past few decades. Many novel plasticizers have been manufactured for special applications i.e. citric acid esters, oligomers and polymeric plasticizers, epoxidized soybean oil, PVC/EVA (ethylene vinyl acetate) graft polymers and terpolymers.

Get Price
us20110046283a1 - citric ester mixtures and their use ...

US20110046283A1 - Citric ester mixtures and their use ...

The present invention also relates to a composition comprising the citric ester mixture according to the invention in a mixture with further components, comprising plasticizers from the group of the alkyl esters of aromatic polycarboxylic acids, of the cyclohexanepolycarboxylic acids, of benzoic acid or of adipic acid, and also to the use of ...

Get Price
selecting plasticizers for adhesives and sealants

Selecting Plasticizers for Adhesives and Sealants

Selecting Plasticizers for Adhesives and Sealants ... Citrate plasticizers are esters of citric acid. They have been used mainly as plasticizers with cellulosics, PVC, polyvinyl acetate, and other polymers used in medical plastics and food contact packaging. Some citrate esters find specialty use in blood bags and food wraps.

Get Price
health, eco concerns give non-phthalate plasticizers a ...

Health, Eco Concerns Give Non-Phthalate Plasticizers a ...

In PVC compounds, Vertellus’s Citroflex citric-acid-based plasticizers reportedly provide value through the superior mechanical properties they bring at lower dosages in certain applications. Citroflex reportedly has broader regulatory approvals in medical applications than other biobased plasticizers used in PVC and biopolymer compounds.

Get Price
plasticizers: types, uses, classification, selection ...

Plasticizers: Types, Uses, Classification, Selection ...

Plasticizers are the most common additives used in the plastics industry. But, selecting the right plasticizer for an application has always been a daunting task. Become an expert by learning the detailed knowledge on plasticizer additives. Explore various plasticization methods along with their benefits and learn how to select the right ...

Get Price
plastic composites made from glycerol, citric acid,

Plastic composites made from glycerol, citric acid,

The preparation of ‟plastic gel” using cellulose and plasticizer mixes (glycerol/ citric acid) and (ethylene glycol/citric acid) A problem with the concept was that water vapor was formed by the condensation reaction of glycerol/citric acid during the heat treatment (Fig. 1) and ethylene glycol/citric acid, which caused the material to foam ...

Get Price
plasticizer makers want a piece of the phthalates pie ...

Plasticizer Makers Want A Piece Of The Phthalates Pie ...

Plasticizer Makers Want A Piece Of The Phthalates Pie ... The marriage isn’t as secure as it used to be. Environmental and health concerns have inspired regulations against phthalates in certain ...

Get Price
bio-based citrate plasticiser citrofol bii in sealants

Bio-based citrate plasticiser CITROFOL BII in sealants

Jungbunzlauer is the largest global producer of citric acid and citrate esters, which are well-known under the brand CITROFOL ®. Citric acid is produced via fermentation of sugar or starchy materials, and consists of three carboxyl groups and one hydroxyl group. Firstly, alcohol, e.g. n-butanol, is used for the esterification of the carboxyl ...

Get Price
citrates - polymer additives selection - specialchem

Citrates - Polymer Additives Selection - SpecialChem

When added to polymers, citrate plasticizers offer good performance and excellent flexibility at low temperatures; being less volatile, they also offer good heat and light stability. Catagorised as non phthalates, citrates are ideal to be used in medical device, food packaging applications and pharmaceutical preparations.

Get Price
plasticizers derived from biomass resources: a short review

Plasticizers Derived from Biomass Resources: A Short Review

With rising environmental concerns and depletion of petrochemical resources, biomass-based chemicals have been paid more attention. Polyvinyl chloride (PVC) plasticizers derived from biomass resources (vegetable oil, cardanol, vegetable fatty acid, glycerol and citric acid) have been widely studied to replace petroleum-based o-phthalate plasticizers.

Get Price
citroflex - vertellus

Citroflex - Vertellus

“Medical Grade Citroflex® Plasticizers.” Low Molecular Weight Citroflex Esters The lower molecular weight citric acid esters (Citroflex C-2, A-2, C-4, and A-4) have plasticization characteristics similar to those of the lower molecular weight phthalates, adipates, and sebacates in a variety of polymers. Detailed information on their use

Get Price
15 list of chemicals in plastic - properties - dangers ...

15 List of Chemicals in Plastic - Properties - Dangers ...

The first list of chemicals in plastic is Phthalate, the esters of phthalic acid. The main use of phthalate is as plasticizers, to increase flexibility, transparency, durability, and longevity. Factories made phthalate by reacting phthalic anhydride with alcohols. In 2010, there is still a lot of phthalate products in the market.

Get Price
synthesis and application of environmental soybean oil ...

Synthesis and application of environmental soybean oil ...

This soybean oil‐based alternative plasticizer has the potential to be a main or secondary plasticizer in food packing, children toys, medical devices, and other environmental plastic materials.

Get Price
the plasticizer market: an assessment of traditional ...

The plasticizer market: an assessment of traditional ...

Plasticizers continue to evolve with the demand of specialty applications. This evolution has recently been spurred by the controversy over the safety of many traditional plasticizers .This has led to the emergence of novel plasticizers including citric acid esters, oligomers and polymeric plasticizers, epoxidized soybean oil, PVC/EVA (ethylene vinyl acetate) graft polymers and terpolymers ...

Get Price
a new nontoxic plastic plasticizer - zhangjia gang yarui ...

A new nontoxic plastic plasticizer - ZhangJia Gang YaRui ...

A new nontoxic plastic plasticizer The plasticizer commonly used in industry is o-phthalic acid two ester. Because it can induce carcinogenesis, it has been strictly controlled in foreign countries. China has also formulated relevant regulations, and will gradually eliminate its use in food packaging materials, medical devices and toys.

Get Price
bio-based citrate plasticiser citrofol bii in sealants

Bio-based citrate plasticiser CITROFOL BII in sealants

Jungbunzlauer is the largest global producer of citric acid and citrate esters, which are well-known under the brand CITROFOL ®. Citric acid is produced via fermentation of sugar or starchy materials, and consists of three carboxyl groups and one hydroxyl group. Firstly, alcohol, e.g. n-butanol, is used for the esterification of the carboxyl ...

Get Price
plasticizer degradation by marine bacterial isolates: a ...

Plasticizer Degradation by Marine Bacterial Isolates: A ...

Many commercial plasticizers are toxic endocrine-disrupting chemicals that are added to plastics during manufacturing and may leach out once they reach the environment. Traditional phthalic acid ester plasticizers (PAEs), such as dibutyl phthalate (DBP) and bis(2-ethyl hexyl) phthalate (DEHP), are now increasingly being replaced with more environmentally friendly alternatives, such as acetyl ...

Get Price
anti-inflammatory prodrugs as plasticizers

Anti-inflammatory prodrugs as plasticizers

Salicylic and acetylsalicylic acid esters were tested as plasticizers for biodegradable poly(3-hydroxybutyrate) (PHB). The aim is the combination of plasticizing and anti-inflammatory properties in the fabrication of implant materials. Solution-cast films made of mixtures of PHB and 30% ester showed plasticization accompanied by a decrease of elastic modulus and an increase in elongation at ...

Get Price
de102008002168a1 - citric acid ester mixtures and their ...

DE102008002168A1 - Citric acid ester mixtures and their ...

The present invention relates to mixtures of citric acid esters of the formula I, in which R1, R2 and R3 are each aliphatic C5 or C9 radicals, characterized in that in the mixture, the average chain length of the aliphatic radicals in the range between greater than 5 and 7 and the average degree of branching of the C9 aliphatic radicals ranges between 0.9 and 2.2.

Get Price
15 list of chemicals in plastic - properties - dangers ...

15 List of Chemicals in Plastic - Properties - Dangers ...

The first list of chemicals in plastic is Phthalate, the esters of phthalic acid. The main use of phthalate is as plasticizers, to increase flexibility, transparency, durability, and longevity. Factories made phthalate by reacting phthalic anhydride with alcohols. In 2010, there is still a lot of phthalate products in the market.

Get Price
synthesis and application of environmental soybean oil ...

Synthesis and application of environmental soybean oil ...

This soybean oil‐based alternative plasticizer has the potential to be a main or secondary plasticizer in food packing, children toys, medical devices, and other environmental plastic materials.

Get Price
the plasticizer market: an assessment of traditional ...

The plasticizer market: an assessment of traditional ...

Plasticizers continue to evolve with the demand of specialty applications. This evolution has recently been spurred by the controversy over the safety of many traditional plasticizers .This has led to the emergence of novel plasticizers including citric acid esters, oligomers and polymeric plasticizers, epoxidized soybean oil, PVC/EVA (ethylene vinyl acetate) graft polymers and terpolymers ...

Get Price
jp5797260b2 - flexible pvc compositions made using ...

JP5797260B2 - Flexible PVC compositions made using ...

Compositions containing tetrahydrofurfuryl and/or alkyl-substituted tetrahydrofurfuryl esters of citric acid US9394425B2 (en ... Epoxidized fatty acid alkyl ester plasticizer from natural oil soda cake and method for making such epoxidized fatty acid alkyl ester plasticizer ... Plastics environment protecting workability agent produced

Get Price
plasticizer degradation by marine bacterial isolates: a ...

Plasticizer Degradation by Marine Bacterial Isolates: A ...

Many commercial plasticizers are toxic endocrine-disrupting chemicals that are added to plastics during manufacturing and may leach out once they reach the environment. Traditional phthalic acid ester plasticizers (PAEs), such as dibutyl phthalate (DBP) and bis(2-ethyl hexyl) phthalate (DEHP), are now increasingly being replaced with more environmentally friendly alternatives, such as acetyl ...

Get Price
anti-inflammatory prodrugs as plasticizers

Anti-inflammatory prodrugs as plasticizers

Salicylic and acetylsalicylic acid esters were tested as plasticizers for biodegradable poly(3-hydroxybutyrate) (PHB). The aim is the combination of plasticizing and anti-inflammatory properties in the fabrication of implant materials. Solution-cast films made of mixtures of PHB and 30% ester showed plasticization accompanied by a decrease of elastic modulus and an increase in elongation at ...

Get Price
de102008002168a1 - citric acid ester mixtures and their ...

DE102008002168A1 - Citric acid ester mixtures and their ...

The present invention relates to mixtures of citric acid esters of the formula I, in which R1, R2 and R3 are each aliphatic C5 or C9 radicals, characterized in that in the mixture, the average chain length of the aliphatic radicals in the range between greater than 5 and 7 and the average degree of branching of the C9 aliphatic radicals ranges between 0.9 and 2.2.

Get Price
citric acid esters as plasticizers for medical grade pvc ...

CITRIC ACID ESTERS AS PLASTICIZERS FOR MEDICAL GRADE PVC ...

CITRIC ACID ESTERS AS PLASTICIZERS FOR MEDICAL-GRADE PVC (Unknown language) ... CITRIC ACID ESTERS AS PLASTICIZERS FOR MEDICAL-GRADE PVC Author / Creator: Hull, E.H. / Mathur, K.K. Published in: ... ENGINEERS ASSESS TRENDS IN USE OF PLASTICS IN AUTOMOBILES | 1984. print version.

Get Price
environmental plasticizer development needs_weifang menjie ...

Environmental plasticizer development needs_Weifang Menjie ...

As a new type of green plastic plasticizer, citric acid ester products are non-toxic and tasteless. They can replace traditional phthalate plasticizers. They are widely used in food and medical equipment packaging, cosmetics, daily necessities, toys, Military products and other areas are also important chemical intermediates.

Get Price
calaméo - citric acid esters bulletin # 1

Calaméo - CITRIC ACID ESTERS BULLETIN # 1

Read the publication. CITRIC ACID ESTERS TECHNICAL BULLETIN # 1. CITRIC ACID ESTERS Citric acid esters provide a wide range of benefits when used as plasticizers with aqueous and solvent based polymers, including acrylic, methacrylic, ethyl cellulose, hidroxypropyl methyl cellulose, nitrocellulose, vinyl acetate, vinyl chloride, vinyl pyrrolidonde, vinylidene chloride, and urethane polymer ...

Get Price
preparation and evaluation of acetylated mixture of ...

Preparation and evaluation of acetylated mixture of ...

Tributyl citrate (TBC) and acetyl tributyl citrate (ATBC), as phthalate alternative plasticizers, show limited application due to low migration resistance, high volatilization rate and intense respiratory irritation. Meanwhile, the developed pure citrates, such as butyryl trihexyl citrate (BTHC) due to its high cost, and triisooctyl citrate (TOC) and acetyl triisooctyl citrate (ATOC) due to ...

Get Price
additives in pvc plastic toys - university at buffalo

Additives in PVC Plastic Toys - University at Buffalo

Citrate esters are natural substances that are derived from renewable natural resources. The main raw material in citrate esters is citric acid, and it is made from the fermentation of corn and molasses. Citrate esters form a strong chemical bond with plastic, and can resist migration at higher pressures 11. The Scientific Committee on Toxicity ...

Get Price