Dr. Spotnik Technical Library

Welcome to Dr. Spotnik's Technical Library!
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FABRIC FACTS
Acrylic Knitwear fabrics are widely used because of their light weight, soft look and
feel, which resemble wool. Acrylic knitwear is widely used for sweaters but fashion
designers and manufacturers now find growing use in dresses, blouses, skirts and
jackets. These garments can be made entirely of acrylic yarn or blended with wool
and other fibers. Manufacturers use the bias cut construction to achieve a loose,
flowing, billowing effect with better draping properties. A bias cut construction is
achieved when the garment is cut and sewn at an angle or diagonally rather than a
straight cut which gives a narrow or sheath effect to a garment.
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Last Updated ( Thursday, 25 October 2007 )
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FABRIC FACTS
Bonding and laminating are processes that were popular several years ago. The
process had a lull for a few years, but is becoming popular again. Bonding and
lamination are a process by which two or more fabrics adhere to each other. In
technical terms, bonding is the adhesion of two fabrics (outer shell fabric to a tricot
backing fabric) and lamination is the adhesion of urethane foam to a fabric. Two
common methods for bonding and lamination are the wet adhesive and the flame
foam processes which pass through rollers. When the outer fabric is bonded to
form a puckered effect, it is referred to as matelasse. Bonding or lamination of
fabrics gives garments improved body and better appearance with little increase in
the quality and cost of the outer fabric. Bonding and lamination also stabilizes the
outer fabric, which inhibits it from shrinking. Bonded and laminated fabrics are
used for coats, raincoats, sportswear and children's wear.
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Last Updated ( Thursday, 25 October 2007 )
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FABRIC FACTS
Acrylic fiber is thermoplastic, similar to polyester, but with significant differences.
All thermoplastic fibers are sensitive to heat but acrylic is more heat sensitive than
polyester. The characteristic of acrylic to shrivel at relatively low temperatures is
the basis for the manufacturer's process of bulking acrylic. Strands of acrylic yarns,
with varying degrees of heat sensitivity, are subjected to just enough heat to cause
shriveling. The different strands are selected to react differently to the heat. The
result is bulk which resembles soft woolens. Acrylic fibers can be processed into
any yarn thickness from the fine single knit to the heavier double knits. Acrylic
fiber is often blended with wool. Acrylic knitwear will be found in sweaters, dresses,
blouses, skirts and sportswear.
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Last Updated ( Thursday, 25 October 2007 )
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FABRIC FACTS
Some draperies and some drapery linings are coated to give them desirable
characteristics while hanging. Claims for coated drapery fabrics are: (1) insulation
against cold, heat,light and (2) protection of the fabric against rain, moisture and
the effect of sunlight. Coating may also stabilize the fabric against shrinkage.
Substances used to coat draperies are: (1) Vinyl plastic, (b) polyurethane plastic,
(c) rubber, and (d) acrylic resins, which are being more widely used. |
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Facts About Buttons
Hardly a garment is manufactured today that doesn't make use of either the
functional value or decorative effects of buttons. Buttons are made from a variety of materials, including acetate, acrylic, caslen, celluloid, cloth, glass, ivory, leather, lucite, metal, polystyrene and wood.
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Last Updated ( Sunday, 02 December 2007 )
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