Magnasoft* Extra Fluid
for textile softening
Magnasoft Extra fluid is a high molecular weight, epoxy-modified silicone fluid that imparts excellent softness to a variety of fabrics and knits, whether prepared from yarn made by the ring or open-end spun processes.
Magnasoft Extra fluid imparts excellent softening without yellowing fabrics, including 100% synthetics, cotton, wool, synthetic/cellulose blends and acrylics. It is especially effective on 100% cotton and bottomweights, such as high-cotton/polyester corduroy and denim. In addition, the softening and fabric physical property enhancement imparted by Magnasoft Extra fluid are resistant to multiple launderings.
Nonionic emulsions of Magnasoft Extra fluid can be applied alone or in combination with current popular durable press resins.
To achieve maximum durability, a catalyst is recommended for use with Magnasoft Extra fluid. When applied with a durable press resin, the same resin-crosslinking catalyst usually functions as a catalyst for Magnasoft Extra fluid. If no durable press resin is to be applied to the fabric, zirconium acetate catalyst is recommended to achieve maximum durability with Magnasoft Extra emulsion. For example, 2.5 parts zirconium acetate catalyst (25%)(1) is recommended for 20 parts of emulsion (40%).
(1) Magnesium Elektron Inc., Flemington, NJ 08822
Typical Physical Properties
|Appearance ||Clear liquid |
|Viscosity at 25°C, cSt ||5000–6000 |
Table 1 shows the performance properties of various fabrics treated with several model formulations using Magnasoft Extra fluid textile softener. The test procedures used in measuring these performance properties are listed in Table 2.
Table 1: Typical Performance Properties of Magnasoft Extra Textile Softener
|Fabric ||65/35 = Polyester/ ||100% Polyester ||83/17 = Cotton/ ||100% Cotton|
|Fabric Type ||Cotton || ||Polyester Corduroy ||Printcloth|
|Fabric Weight (oz/yd2) ||3.0 (0.1 kg/m2) ||3.7 (0.12 kg/m2) ||6.2 (7.5 kg/m2)|| 3.1 (7.5 kg/m2)|
|Model Formulations |
|DMDHEU Resin, pts ||15||5||5||15|
|DP Catalyst, pts ||2.25 ||0.75||0.75||2.25|
|Magnasoft Extra Solids, % (BOWF) ||0.6||0.6||0.6||0.6|
|Performance Properties ||Resin Only ||Resin & Silicone ||Control||Control & Silicone ||Resin Only||Resin & Silicone||Resin Only||Resin & Silicone|
|After 3 Launderings ||8.5 ||2.5 ||8||5||8||4.5||10||2.0|
|Wettability, sec |
|Initial ||5 ||202||105 ||90 ||1 ||>300 ||2 ||>300 |
|After 3 Launderings||25 ||>300 ||129 ||>300 ||3||>300 ||2 ||>300 |
|Durability, % |
|After 3 Launderings||0 ||85||0 ||75 ||0 ||98 ||0 ||88 |
|WRA, Degrees, Warp|
|Initial||156 ||161 ||94 ||107 ||147 ||165||133||153 |
|After 3 Launderings||156 ||158 || 91 ||105 ||148 ||163 ||133 ||154|
|Tear Strength, g, Warp |
|Initial||1030 ||1620 ||1450 ||1800 ||1125 ||1275 ||760 ||1000|
|After 3 Launderings||920 ||1620||-||-||1150 ||1350 ||720 ||970|
|Dp Appearance, 5 Washes ||3.5 ||3.6 ||2.9 ||3.5||2.7 ||3.5||3.4 ||3.4 |
Warp, 5 Cycles
|Initial||5700 ||10,100||-||-||-||-||139 ||354|
|After 3 Launderings||6000 ||10,900||-||-||-||-||137 || 350|
|Dimensional Stability, % |
|Wale ||-||-||-7.1 ||-7.0 ||-||-||-||-|
|Course ||-||-||-0.5 ||-0.2 ||-||-||-||-|
|Extensibility, 5 Cycles, % |
|A. 70%, wale ||-||-||16.4 ||12.8 ||-||-||-||-|
|B. 100%, course ||-||-||26.9 ||23.1 ||-||-||-||-|
(1) Rating Scale: 1 = Softest, 10 = Harshest
Table 2: Performance Test Procedures
| ||Method |
|Test ||AATCC ||ASTM |
|Absorbency of Bleached Textiles (Wettability) ||79-1992 ||— |
|Wrinkle Recovery of Fabrics: Recovery Angle Method ||66-1990 ||— |
|Tear Resistance of Woven Fabrics by Falling Pendulum (Elmendorf) Apparatus ||— ||D1424-84 |
|Abrasion Resistance of Textile Fabrics ||— ||D3885 |
|Conditioning Textiles for Testing ||— ||D1776-79 |
|Appearance of Fabrics After Repeated Home Laundering ||124-1992 ||— |
Nothing contained herein shall be construed to imply the nonexistence of any relevant patents or to constitute a permission, inducement or recommendation to practice any invention covered by any patent, without authority from the owner of the patent.
Product Safety, Handling and Storage
Customers should review the latest Material Safety Data Sheet (MSDS) and label for product safety information, safe handling instructions, personal protective equipment if necessary, and any special storage conditions required for safety. MSDS are available at www.momentive.com or, upon request, from any Momentive Performance Materials (MPM) representative. For product storage and handling procedures to maintain the product quality within our stated specifications, please review Certificates of Analysis, which are available in the Order Center. Use of other materials in conjunction with MPM products (for example, primers) may require additional precautions. Please review and follow the safety information provided by the manufacturer of such other materials.
Customers must evaluate Momentive Performance Materials products and make their own determination as to fitness of use in their particular applications.
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*Magnasoft is a trademark of Momentive Performance Materials Inc.
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