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					Ultramid® 1C            BASF Plastics
                        key to your success
the soluble polyamide
Ultramid® 1C
A clear case for                                 Properties
coatings
Ultramid® 1C – the soluble poly-                 Physical properties                           Mechanical properties
amide for tough, abrasion-resis-
tant coatings and coverings with                 The product is a polyamide copolymer,         Ultramid® 1C is mainly applied from
high oxygen barrier.                             available as glass-clear pellets with bulk    solution in the form of a film. The
                                                 density 575-675 g / l. Residual mois-         properties of the film depend greatly
Ultramid® 1C is a product from the               ture is generally below 2 % by weight.        on the application technique and
BASF polyamide line, which enjoys                The usual polyamide viscosity number          the substrate material. The values
worldwide recognition. Subtle variation          to ISO 307 measured in 96 % sulfuric          below were determined on injection-
of monomer building blocks produces              acid provides a measure of molecu-            molded test specimens made from
a copolyamide which combines the                 lar weight, and is 122 ml /g. Density         Ultramid® 1C.
exceptional properties of Ultramid®              determined at 20 °C to ISO 1183 is
plastics with simple processing from             1,106 g /ml. The product melts at             They are intended as guidelines for
solution.                                        185 °C (BASF test method PM 025)              estimating the performance of films:
                                                 and the glass transition temperature
Applied from solution – or incorpo-              of the dry material is about 73 °C. A
rated into components which cure or              20 % solution in n-propanol: water =
crosslink thermally, Ultramid® 1C forms          8 : 2 is relatively viscous at 1200 mPa · s
                                                                                                Tensile modulus of elasticity      dry
flexible, scratch-resistant coatings or          (DIN 53019 / DIN 53214, 23 °C) – but
tough, resilient, abrasion-resistant             this polymer solution is easy to handle.                                          wet
coverings on plastics, films, nonwo-             Hazen color value for the same solu-           Yield stress                       dry
vens, fabrics, leather, paper, wood, or          tion (DIN ISO 6271) is less than 100.
metal.                                           Oxygen permeability P (cm3 * 100 mm /                                             wet
                                                 m2 * d* bar) is 15.                            Elongation at yield                dry
The colorless coverings provide an                                                                                                 wet
excellent oxygen barrier, and they can
be pigmented as desired.                                                                        Flexural modulus of elasticity     dry
                                                                                                                                   wet
They are resistant to a wide variety
                                                                                                Flexural stress                    dry
of solvents like aromatic and aliphatic
hydrocarbons, halogenated hydro-                                                                                                   wet
carbons, acetone, cyclohexanone,                                                                Charpy impact strength             dry
tetrahydrofuran and ethyl acetate, and
                                                                                                                                   wet
also to fuels, oils, fats, plasticizers, fruit
juices, and dilute fruit acids.                                                                 Ball indentation hardness
Solubility / swellability of              The following guideline values will         A good method involves adding the
Ultramid® 1C coatings                     be useful here:                             Ultramid® 1C in portions to the solvent
                                                                                                    mixture, with stirring. The
The coverings or films are resistant to     Medium                         Weight increase          mixture is then heated
most commonly used solvents. How-                                          at saturation (%)        to 60-80 °C and is stirred
ever, they are attacked and dissolved                                                               until the solution beco-
                                            Water                          15.0-17.0
by alcohols, methylene chloride, con-                                                               mes clear.
centrated mineral acids, and formic         Ammonia (10 %ig)               13.5
acid.                                       Soda (5 %ig)                   12.5                     This usually takes 1- 2
                                                                                                    hours. Stirring should be
The chemical resistance of coatings         Sodium chloride (10 %ig)       12.0                     controlled so that the
can be estimated from increase in           Sodium hydroxide (10 %ig)      9.5                      pellets do not agglome-
weight after storage trials in various      Butanol                        44.0                     rate. A 20 % solution is
media at 20 °C.                                                                                     adequate for most appli-
                                            Glycol                         36.0                     cations.
                                            Methylene chloride             36.0
2400           MPa        ISO 527           Butyl acetate                  16.0
                                                                                                     Storage stability and
1400           MPa                          Ethyl acetate                  15.0                      viscosity of solutions
80             MPa        ISO 527           Tetrahydrofuran                15.0
                                                                                                     Depending on sto-
48             MPa                          Trichlorethylene               10.0
                                                                                                     rage temperature,
5              %          ISO 527           Terpentine                     4.0                       Ultramid® 1C content
5              %                            Acetone                        3.5                       and solvent type, the
                                                                                                     solution gels after about
2300           MPa        ISO 178           Tetralin                       3.0
                                                                                                     4 weeks (ethanol) or
1400           MPa                          Carbon tetrachloride           2.0                       retains its stability for 24
                                            Benzene, toluene, xylene       < 2.0                     weeks or more (n-pro-
100            MPa        ISO 178
                                                                                                     panol/water). The mix-
47             MPa                          Cyclohexane                    1.0                       ture can be reliquified
150            kJ/m2      ISO 179/1eU       Gasoline, petroleum            < 1.0                     by gentle heating and
                                            Palatinol AH, C                < 1.0                     adding more solvent.
no break       kJ/m2
115            MPa        ISO 2039/1                                                                 Viscosity of a 20 %
                                          Preparation of Ultramid® 1C                 Ultramid® 1C solution in n-propanol /
                                          solutions                                   water = 80 : 20 is about 1200 mPa · s at
                                                                                      23 °C. The solutions are newtonian at
                                          Alcoholic solutions of Ultramid® 1C         concentrations below 30 % and shear
                                          are generally prepared hot with             rates D < 100 s -1.
                                          reflux of the solvent mixture.
                                          Preferred solvent mixtures are
                                          ethanol / water and n-propanol /
                                          -water – in each case in a ratio of
                                          8 : 2 – or the pure alcohols.
Safety information                          Storage                                     Do you have any technical
                                                                                        questions about Ultramid®?
The preventive measures usual for           Ultramid® 1C can absorb moisture
chemicals apply, and include – in           from the air and should therefore be        We will be happy to give you
addition to compliance with guide-          carefully sealed and stored in dry con-     answers at our Ultra-Infopoint:
lines provided by the appropriate           ditions. Under appropriate conditions
industrial sectors – good workplace         the material can be stored for at least
ventilation during processing of the        a year.
product, good skin care, and good
eye protection. The safety data sheet
for Ultramid® 1C provides information       Please note
on all data relevant to safety. Ultramid®
1C is not a hazardous substance             The technical information given is
under Directive 91/155 / EWG.               based on our current knowledge and
                                            experience. In view of the many fac-
Based on our experience over many           tors that can affect the processing and
years and the information available to      application of our product it does not
us, we do not expect any hazard to          relieve processors of responsibility for    Do you have any general questions
health to arise from appropriate han-       carrying out their own tests and trials.    about BASF plastics?
dling and correct use of Ultramid® 1C.      It does not imply any legally binding
                                            assurance of particular properties or of
Ultramid® 1C with less than 1 % low-        suitability for any specific purpose. Our   Visit our PlasticsPortal for engi-
molecular-weight content complies           customers are responsible for ensuring      neering plastics. Comprehensive
with the relevant recommendations for       observance of any proprietary rights        information on Ultramid® and
polyamides issued June 15, 1992 in          and of current legislation and regula-      BASF’s other engineering plastics
Report 188, German Federal Health           tions.                                      can be found at:
Gazette 35, p. 362 (1992). The copoly-
amide supplied contains about 3 % of                                                      www.PlasticsPortal.com
soluble low-molecular-weight content,
and this can easily be reduced below
1.0 % by treatment with warm water.




                                                                                                                             KTUM 0201 Fe 09.2002

				
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