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Rheosolve T 663 also helps reduce mixing torque and heat build-up during compounding.
Rheosolve T 663 supports efficient extrusion, calendering, and molding by improving material flow and mold filling.
Rheosolve T 663 helps minimize defects such as poor surface finish, flow marks, or incomplete cavity filling.
CAS Number: 9007-20-9
Molecular Formula: C15H17ClO3
Molecular Weight: 280.74668
EINECS Number: 618-435-5
Synonyms: 2-(Chloromethyl)-2-((2-naphthyloxy)methyl)-1,3-propanediol, 1,3-Propanediol, 2-(chloromethyl)-2-((2-naphthyloxy)methyl)-, 1,3-Propanediol, 2-(chloromethyl)-2-((2-naphthalenyloxy)methyl)-, 2-(chloromethyl)-2-(2-naphthyloxymethyl)propane-1,3-diol, 2-(chloromethyl)-2-(naphthalen-2-yloxymethyl)propane-1,3-diol, 2-(chloromethyl)-2-[(naphthalen-2-yloxy)methyl]propane-1,3-diol, 2-(Chloromethyl)-2-{[(naphthalen-2-yl)oxy]methyl}propane-1,3-diol, Chloromethyl-2 beta-naphthyloxymethyl-2 propanediol-1,3, Chloromethyl-2 beta-naphthyloxymethyl-2 propanediol-1,3 [French], HC 1532, POLYACRYLIC ACID 5,000;POLYACRYLIC ACID 25,000;POLYACRYLIC ACID 250,000;POLYACRYLIC ACID 150,000;POLYACRYLIC ACID 1,000,000;CARBOMER 1622;CARBOMER 672;CARBOMER 690
Rheosolve T 663 is a polymer with the formula (CH2-CHCO2H)n.
Rheosolve T 663 is a derivative of acrylic acid (CH2=CHCO2H).
In addition to the homopolymers, a variety of copolymers and crosslinked polymers, and partially deprotonated derivatives thereof are known and of commercial value.
In a water solution at neutral pH, PAA is an anionic polymer, i.e., many of the side chains of PAA lose their protons and acquire a negative charge.
Partially or wholly deprotonaated PAAs are polyelectrolytes, with the ability to absorb and retain water and swell to many times their original volume.
These properties - acid-base and water-attracting - are the bases of many applications.
Rheosolve T 663 is a processing aid and plasticizer used in rubber and elastomer compounding to improve flow behavior and workability.
It helps soften the rubber compound and enhances mobility of polymer chains during mixing and shaping operations.
This leads to smoother processing and more stable manufacturing conditions.
From a chemical standpoint, Rheosolve T 663 is a commercially formulated mixture rather than a single defined chemical substance.
Rheosolve T 663 is typically based on organic plasticizing and solvating components that are compatible with common elastomers and rubber additives.
Because it is a formulation, it does not have a unique CAS number, and regulatory documentation refers to the CAS numbers of its individual components.
In industrial applications, Rheosolve T 663 is used to reduce compound viscosity and improve dispersion of fillers and additives.
Improved dispersion contributes to more homogeneous rubber compounds and consistent mechanical properties.
As part of the Rheosolve T 663 it is positioned as a reliable rubber-processing auxiliary that enhances process efficiency without significantly affecting final product performance.
Rheosolve T 663 is used to support stable rheological behavior of rubber compounds during long and continuous production runs.
It helps maintain consistent softness and flow even when processing temperatures or shear conditions fluctuate.
This contributes to reproducible compound quality and reliable manufacturing performance.
The product is applied in formulations where controlled plasticization is required without excessive softening.
It allows manufacturers to fine-tune compound viscosity while maintaining mechanical integrity of the rubber.
This balance is important for both processing efficiency and final product performance.
Rheosolve T 663 is also used to improve compatibility between different formulation components.
Its solvating action helps reduce phase separation between polymers, fillers, and additives.
This results in smoother compound behavior during mixing and shaping.
In calendering and extrusion processes, Rheosolve T 663 supports uniform material flow and thickness control.
Improved flow behavior helps the rubber compound spread evenly through dies and rolls.
This reduces thickness variations and improves surface uniformity of rubber sheets and profiles.
Rheosolve T 663 is valued in high-throughput and automated rubber production lines.
By minimizing processing interruptions caused by poor flow or excessive viscosity, it helps maintain continuous operation.
This leads to higher productivity, reduced scrap rates, and more efficient use of processing equipment.
Rheosolve T 663 is an acrylic thickener in aqueous dispersion for the household, industrial and institutional detergent industry.
It provides a versatile thickening efficiency.
Rheosolve T 663 is easy to use and provides instantaneous thickening effect.
Boiling point: 116 °C
Density: 1.2 g/mL at 25 °C
refractive index: n20/D 1.442
storage temp.: Storage temp. 2-8°C
Appearance: White to off-white Solid
Rheosolve T 663 is used to enhance the plasticization and solvating efficiency of rubber compounds during processing.
It improves the flexibility and mobility of the polymer matrix, allowing rubber materials to deform and flow more easily under shear.
This supports smoother processing across a wide range of operating conditions.
The product is commonly applied in rubber formulations that require balanced softness and process stability.
It helps achieve uniform incorporation of fillers, curatives, and other processing aids.
This results in more homogeneous compounds and improved consistency of finished products.
Rheosolve T 663 is also used to reduce mechanical stress and energy consumption during mixing and shaping.
Lower compound viscosity leads to reduced mixing torque and less heat generation.
This helps protect heat-sensitive ingredients and improves processing safety.
In extrusion and molding operations, Rheosolve T 663 contributes to improved surface quality and dimensional accuracy.
Better flow reduces surface defects such as roughness, flow lines, or tearing.
This is particularly beneficial for technical and automotive rubber components.
Rheosolve T 663 is suitable for use with a wide range of elastomer types, including natural and synthetic rubbers.
It can be incorporated into standard compounding procedures without major formulation changes.
This makes it a versatile processing aid for industrial rubber manufacturing.
Rheosolve T 663 is used to enhance processing robustness in rubber compounds that are sensitive to variations in raw materials.
It helps compensate for batch-to-batch differences in polymers or fillers by stabilizing flow behavior.
This ensures more consistent processing performance across different production lots.
The product is applied in rubber formulations designed for complex mold geometries or thin-walled parts.
Improved plasticization allows the compound to flow more easily into narrow cavities and detailed sections.
This reduces the risk of incomplete filling and improves dimensional precision.
Rheosolve T 663 is also used to improve surface release and internal lubrication effects during molding.
Smoother internal flow reduces stress at the mold–rubber interface.
This contributes to cleaner surfaces and easier demolding of finished parts.
In rubber compounding lines, Rheosolve T 663 supports shorter cycle times by accelerating material flow and mold filling.
Faster processing allows higher throughput without increasing processing temperatures.
This helps maintain thermal stability of the compound while improving productivity.
Rheosolve T 663 is suitable for technical, industrial, and automotive rubber applications requiring controlled softness and good processability.
It can be used in seals, gaskets, hoses, profiles, and molded elastomer components.
This versatility makes it a practical and widely applicable plasticizing processing aid in modern rubber manufacturing.
Uses Of Rheosolve T 663:
Rheosolve T 663 are acrylic acid polymers that are used for a variety of purposes.
They are used in pharmaceutical processes as suspending agents, gel bases, emulsifiers, and binding agents.
They are also used as artificial tears.
Rheosolve T 663 is a carbomer that is the major non-aqueous component (5% polymer, 94% water) of a proprietary formulation called BufferGel, which also contains dibasic potassium phosphate, magnesium sulfate, dibasic sodium phosphate, sorbic acid, monobasic sodium phosphate, and disodium EDTA.
Rheosolve T 663 is a buffering agent, a microbicide, and a spermicide.
It is formulated in an aqueous gel at pH 3.9, which acidifies twice its volume of semen to a pH of 5 and maintains the protective acidity of the vagina.
Rheosolve T 663 is used vaginally as a spermicide that also protects against HIV infection and possibly other sexually transmitted diseases.
Rheosolve T 663 is a thickening, suspending, dispersing, emulsifying agent.
In the cosmetic and textile printing fields, in printing inks, in emulsion-based lubricants, in pharmaceuticals, polishes, waxes, paints, waterproof and oil-proof coatings, in industrial specialties.
Rheosolve T 663s are thickening agents that help control the viscosity and flow of cosmetic products.
They also help distribute and suspend insoluble solids into liquid, and prevent the oil and liquid parts of a solution from separating.
They have the ability to absorb and retain water, and can swell up to 1000 times their original volume when dispersed in water.
Generally, this class of ingredients is used in gel-like formulations because it forms a colloidal, mucilage-like consistency when mixed in water.
This ingredient is contained in a wide range of personal care products such as styling gel, facial moisturizer, sunscreen, shampoo, anti-aging treatment, eye cream, cleanser and scrubs.
Rheosolve T 663 is used as a plasticizing processing aid to improve flow and workability of rubber compounds during mixing, extrusion, calendering, and molding.
Rheosolve T 663 reduces compound viscosity and increases flexibility of the polymer matrix.
This allows easier and more stable processing under industrial conditions.
The product is used to improve dispersion of fillers and additives such as carbon black, silica, and curatives.
Better dispersion leads to more homogeneous rubber compounds and consistent mechanical properties.
This is especially important in formulations with high filler loadings.
Rheosolve T 663 is applied to enhance mold filling and surface quality of molded rubber parts.
Improved flow reduces defects such as flow marks, rough surfaces, and incomplete cavity filling.
This contributes to higher product quality and reduced scrap rates.
Rheosolve T 663 is also used to reduce mixing torque, energy consumption, and heat build-up during compounding.
Lower mechanical and thermal stress helps protect heat-sensitive ingredients.
This improves overall processing efficiency and compound stability.
Rheosolve T 663 is widely used in the production of technical, industrial, and automotive rubber components.
Typical applications include seals, gaskets, hoses, profiles, and molded elastomer parts.
Its balanced plasticizing effect makes it suitable for high-volume and high-performance rubber manufacturing.
Rheosolve T 663 is used to improve process stability and consistency in rubber compounding and shaping operations.
Rheosolve T 663 helps maintain uniform flow behavior across different processing conditions and equipment types.
This supports reproducible quality in continuous and batch production.
The product is applied in rubber formulations requiring controlled softening without loss of strength.
Rheosolve T 663 allows fine adjustment of compound viscosity while preserving essential mechanical properties.
This balance is important for both processing efficiency and end-use performance.
Rheosolve T 663 is used to support extrusion and calendering operations where smooth surface finish is required.
Improved internal lubrication reduces surface defects and thickness variations.
This enhances the functional and visual quality of rubber sheets and profiles.
Rheosolve T 663 is also applied to optimize mold release behavior indirectly by improving internal flow and stress distribution.
Reduced internal stresses help prevent surface tearing during demolding.
This contributes to cleaner parts and more reliable molding cycles.
Rheosolve T 663 is suitable for a wide range of elastomer systems, including natural rubber and various synthetic rubbers.
Rheosolve T 663 can be incorporated into existing formulations without major reformulation.
This makes it a versatile processing aid for modern rubber manufacturing.
Safety Profile Of Rheosolve T 663:
The safety of Rheosolve T 663 has been assessed by the Cosmetic Ingredient Review Expert Panel, a group responsible for evaluating the safety of skincare and cosmetics.
Rheosolve T 663 polymers demonstrated a low potential for phototoxicity, photo-contact allergenicity, skin irritation and sensitization at concentrations up to 100%.
Upon evaluation of the scientific data, the CIR Expert Panel concluded that carbomer polymers were safe as ingredients in cosmetics and personal care products.
Rheosolve T 663 is generally considered to have a low to moderate hazard profile when used under normal industrial conditions.
It is not classified as highly toxic, but unnecessary exposure should be avoided as a standard safety practice.
Good industrial hygiene should always be maintained during handling and processing.
Skin contact with Rheosolve T 663 may cause mild irritation, particularly after prolonged or repeated exposure.
Eye contact can lead to temporary irritation, redness, or discomfort.
The use of protective gloves and safety glasses is recommended to minimize contact.
Inhalation of vapors, fumes, or aerosols that may be generated at elevated processing temperatures can cause respiratory irritation.
Adequate local and general ventilation should be ensured in processing areas.
Direct inhalation of thermal decomposition products should be avoided.
Rheosolve T 663 is not considered highly flammable under normal storage and handling conditions.
However, exposure to excessive heat may cause decomposition and release of irritating fumes.
Standard fire prevention measures and temperature control should be applied.
