Product Focus: Sodium Lauryl Sulfate

ChemCeed is proud to offer Sodium Lauryl Sulfate (SLS). This product is an anionic surfactant which gives it properties needed in detergents. Its initial use was in high concentrations in products such as degreasers and industrial cleaners. Today it is also used at lower concentrations found in many common household pharmaceutical products such as shampoos, bubble bath formulas, toothpastes and body sprays. At these diluted levels its typical role is that of a foaming or dispersal agent. ChemCeed offers it in both needle and granule form.

Product Focus: High-Molecular Weight Polyethylene Glycols

Polyethylene Glycols (PEGs) are a versatile chemical for formulating in a wide variety of manufacturing industries, from cosmetics to plastics. The properties of PEGs make them useful for enhancing solvency, lubricity, and hygroscopicity. While useful in production processes as mold release agents, lubricants, and anti-static process aids, PEGs are also chemical intermediates in the production of anti-foaming agents, thickeners, and resins. In particular, high-molecular weight PEGs (such as PEG 8000), can be used in agriculture as part of insecticides and herbicides; as a plasticizer, binder, carrier, and lubricant in ceramics; drilling fluid intermediate and ingredient in mining; as a mold release agent for rubber and elastomers; and in formulations for soaps, detergents, and toilet bowl cleaners.

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Product Feature: Linear 911P

Linear 911P is a linear C9, C10 and C11 phthalate plasticizer produced through esterification of mixed C911 alcohol and Phthalic Anhydride. It is used as a primary plasticizer for polyvinyl chloride (PVC) and copolymer resin applications where good low temperature flexibility is required, including outdoor applications such as vinyl coated fabric, vinyl roofing, or wire insulation. Linear 911P offers good weathering compared to branched phthalate esters making it a choice plasticizer for premium flexible PVC products. It shows superior permanence, good efficiency, good UV resistance, low volatility, and retention under heat aging in vinyl applications. It is recommended in automotive applications due to its low fogging performance. It is suited for sheeting, film extrusion, and vinyl dispersions. When compared to branched plasticizers, Linear 911P has a lower viscosity allowing for faster processing, faster dry-blending times, and lower plastisol and melt viscosities.

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Product Focus: Glycerin

Whether you call it glycerin, glycerine or glycerol, odds are you have ingested or used it at some point today. Glycerin is a simple sugar alcohol compound used in a vast number of products and applications. It can be synthesized or derived from plants and animals and finds uses as diverse as toothpastes to precursors in explosives manufacturing. Phosphorous and iodine on glycerin can create allyl iodide, a chemical building block for polymers, preservatives, organometallic catalysts and pharmaceuticals. Where glycerin most commonly touches our lives is in foods and beverages, pharmaceuticals and personal care products. In foods and beverages glycerin can act as a humectant, solvent, thickener and sweetener to replace sugar. It finds uses in pharmaceuticals to improve lubricity and hygroscopic qualities. Glycerin can be found in toothpaste, mouthwash, skin care products, shaving cream, hair care products and soaps.

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Product Focus: Fatty Alcohols

ChemCeed offers a line of high purity fatty alcohols with chain lengths ranging from C6 to C10. These linear alcohols are insoluble in water, but soluble in alcohols, ether and benzene. With both domestic and imported sources, ChemCeed offers petrochemical-based as well as naturally derived fatty alcohols. These alcohols have a variety of applications such as use in the production of phthalate, trimellitate, and adipate ester plasticizers, as well as use as a surfactant in household cleaning, personal care products, oilfield and industrial processes, and applications in production of lubricants, metal working fluids, and industrial lubes and greases.

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Product Feature: Ethanols

Ethanol is a consumable alcohol most often produced from fermentation of corn or other grain feedstocks. In the US, ethanol sold in its pure form is regulated by the Alcohol and Tobacco Tax and Trade Bureau (TTB) and is subjected to a Federal Excise Tax.  To avoid paying the steep Excise Tax, some users opt for a “denatured” ethanol.  These products are ethanols which have various denaturants added to them to render them non-consumable.  Denatured ethanols are categorized into Specially Denatured Alcohols (SDAs), Completely Denatured Alcohols (CDAs), and Special Industrial Solvents (SISs).  The SDA’s have minimal denaturants added to them, and although they are not subject to the Federal Excise Tax, the TTB requires users of these products to obtain an Industrial Alcohol User Permit which specifies the amount of alcohol the user can purchase annually.  CDA’s and SIS’s do not require a permit to purchase and are not subject to the Excise Tax.  If you are looking to use an ethanol product in your formulation and have questions about these products and their regulation, your ChemCeed representative would be happy to assist you.

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Plasticizer Selection for Elastomers

Although majority of plasticizers are used in flexible PVC applications, a significant amount of plasticizers are used for elastomer applications.   Plasticizers can be added to elastomers for various reasons:  increasing softness or flexibility, lowering the glass transition temperature, reducing crystallization, increasing dispersion, or lowering the cost of the compound.   Common plasticizers used in elastomer compounds are mineral oils and esters such as phthalates, sebacates, and adipates.   However, plasticizer selection is largely dependent on which elastomer(s) is used and what the desired outcome is.

Below is some helpful information to consider when choosing a plasticizer for your specific elastomer application:


Acrylonitrile butadiene rubber (NBR)
Plasticizers can be added to NBR as an extender, mainly for soft roll compounds.  Addition of plasticizer reduces the mixing time.  A wide range of ester plasticizers are compatible with NBR, including adipates, phthalates, trimellitates, and epoxidized soybean oil (ESO).


Chloroprene (neoprene) rubber (CR)
Plasticizers are added to Polychloroprene Rubber to lower the glass transition temperature, reduce crystallization, and lower the cost.   Mineral oils and organic esters are compatible with polychloroprene rubber.  Aromatic mineral oils are used when reduction in crystallization rate is required, although their compatibility may be limited.  Other recommended choices include Dioctyl Sebacate, Dioctyl Adipate, Dioctyl Phthalate, Diisononyl Phthalate.   These choices may be good options for situations when low-temperature flexibility is required.  Flame resistance can be improved with a plasticizer such as TBEP.


Chlorinated polyethylene (CPE)
CPE is compatible with a variety of plasticizers, which can be added as a filler and to increase flexibility.  The amount and type of plasticizers used in CPE formulations are similar to that of PVC, including adipates, phthalates, and trimellitates.  Common choices include general plasticizers such as DINP, DOP, and DOTP.  Specialty plasticizers such as DOA, DINA, DBS, DOS, TOTM, and TINTM can be used as well.


Chlorosulfonated polyethylene (CSM)
Unplasticized CSM is very flexible already, so plasticizers selection for CSM should be done with the properties of the end use part in mind.  For example, if low temperature flexibility is required an ester plasticizer such as DOS or DUP might be considered.   TOTM might be a good choice is both low temperature properties and high heat applications are desired.


Epichlorohydrin rubber (ECO)
Plasticizers can be used to improve properties in ECO.  ECO already has good low-temperature flexibility; however, it can be further improved by addition of plasticizers such as DOA or DBP.  Ester plasticizers are compatible with ECO where the plasticizer has a similar polarity to that of the polymer.  DOP, DIDP, and, TOTM are common choices.


Fluorocarbon rubber (FKM)
Most ester plasticizers cannot withstand the post-cure cycles and temperatures typically sued with FKM.  This makes plasticizer selection difficult as very few plasticizers can be used.  TBEP is one such plasticizer that is compatible with FKM.


Polyacrylate rubber (ACM)
Plasticizer use with ACM is limited dues to the high operating temperatures used.  Polymeric plasticizers, TOTM and TBEP can be used in some cases.


Ethylene acrylic (AEM)
Both monomeric and polymeric ester plasticizers are compatible with AEM.  DOS and DOP can be used to impart low-temperature flexibility, but can only be used in temperatures up to 125°C.  Polymeric plasticizers are recommended for better permanence and higher continuous use temperature applications.  Trimellitates such as 810TM and also TBEP can also be used.


Ethylene-propylene diene rubber (terpolymer) (EPDM)
EPDM is usually processed without plasticizers, however plasticizers can be added in for specific applications, such as correcting problems in pressure sensitive tapes.  Polyisobutylene, paraffin oil, DBP, DOP, and vulcanized vegetable oil can be used.


Natural rubber (NR)
Plasticizers are added to NR to increase softness, improve dispersion of fillers, and aid in the breakdown of the elastomer.  It is compatible with a variety of oil plasticizers including paraffinic, naphthenic and aromatic oil plasticizers.   


Polyisoprene (IR)
IR is compatible with a broad range of esters (phthalates, adipates, sebacates) as well as aromatic, naphthenic, and paraffinic oils. Plasticizers are added to IR to change the rheological properties during processing, as well as to effect vibration damping and the elastic properties of the cured rubber.


Polybutadiene rubber (BR)
Plasticizers in BR serve many functions including increasing the elasticity, lowering the processing temperature, improving dispersion of the blend, and enhancing tackifying action.   DOS, DBP, DOP are compatible with BR, as are some paraffinic, aromatic, or naphthenic mineral oils.


Styrene butadiene rubber (SBR)
SBR is compatible with most mineral oils, but has limited compatibility with paraffinic oils.  Synthetic ester plasticizers are recommended for us in SBR as well.

Product Feature: Epoxidized Soybean Oil (ESO)

Epoxidized Soybean Oil (ESO) is produced from one of the most readily available and lowest-cost vegetable oils in the world. ESO is produced through the oxidation of high iodine value unsaturated soybean oil with hydrogen peroxide and organic acids such as acetic acid or formic acid. ESO is primarily used as a co-plasticizer for flexible polyvinyl chloride (PVC) and its copolymers to keep these plastics soft and pliable. The chemical is also used as a pigment dispersing agent and an epoxy reactive diluent. ESO acts as a secondary heat and light stabilizer, and it is especially valuable as a low cost and effective synergist to metallic stabilizer compounds in vinyl systems. In addition, ESO acts as an acid scavenger for soy-based inks, agricultural chemicals, and insecticides. ESO can also be used as a chemical intermediate, additive for specialty coatings, adhesives, and urethanes, and in lubricants and cutting oils. Due to its low cost and biodegradability over traditional phthalate plasticizers, ESO is replacing dioctyl phthalate (DOP) in some applications. Because ESO is non-toxic, bio-based, bio-degradable, and phthalate-free, it is a prime choice for sustainable and eco-friendly formulations.

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Product Focus: Diundecyl Phthalate (DUP-E)

Diundecyl phthalate (DUP-E) is a linear plasticizer for PVC that is especially suited for applications such as films, vinyl coated fabrics, and electrical wire and cable. DUP-E also has the best low temperature performance in PVC of any phthalate plasticizer. Because of DUP-E’s relatively low viscosity in relation to its molecular weight and good permanence qualities, it is an ideal choice for demanding applications such as automotive interior parts & wire harnesses, building wire insulation, and vinyl roofing membranes.

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Product Feature: Diundecyl Phthalate (DUP)

Diundecyl Phthalate (DUP) is a linear phthalate ester plasticizer which is produced from a mostly linear C11 alcohol. Due to its excellent high temperature properties, DUP is a good choice when high temperature stability is required. DUP boasts strong outdoor weathering capabilities and good low temperature flexibility properties, making it a prime plasticizer for long-life outdoor products such as vinyl coated fabrics. DUP’s low fogging characteristics make it useful for car interior plastic parts. Other applications for DUP include films, vinyl rooming membranes, automotive wire harnesses, and electrical wire insulation.

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