3. Introduction
Characteristics of Milk Fiber
Production Process of Milk Fiber
Process in Detail
Structure & Appearance
Properties
Fiber to Fabric Formation
Advantages & Disadvantages
Application of Milk Fiber
After Care
4. Milk Fiber: Milk fiber is a blend of casein protein and the chemical
acrylonitrile, which is used to make acrylic. It’s made using a process that is
similar to rayon/viscose, but because it’s a regenerated protein fiber and
not a regenerated cellulose fiber, it reacts like wool. That it dyes like wool
and even smells like wool when burned, according to kiplinger.
This fiber contains fifteen types of Amino
acid extracts that helps in the nourishment
of the skin and makes it healthier.
5. CHARACTERISTICSOFMILKFIBER
In Milk fiber, the natural protein humectant factor is
present, which makes the skin delicate and smooth.
It absorbs moisture very well as it is hygroscopic in nature.
It is antibacterial and antifungal as amino acids presents in
the fiber.
It is glossy and luxurious in appearance, feel and
comfortability, just like Silk.
It is very easy to dye and can be dyed under normal
temperature.
It can be blended well with other different fibers, such as
Tencel, Cotton, Bamboo, modal fiber.
6. PRODUCTION PROCESS OF MILK FIBER
Raw Material
Mixing
Filteration
Deareation
Spinning
Cutting
Hardening
Washing
Drying
Baling
8. STRUCTURE AND APPEARANCE
o Colour
o Lustre
o Morphology
Longitudinal view Cross Sectional view
Colour & Lustre
9. PROPERTIES
PHYSICAL PROPERTIES
Tensile strength:
Milk fiber has the tenacity of 2.8cN/tex when it is dry. When wet the
fibers lose much of their strength then tenasity falls to, 2.4 to
2.6cN/tex.
Thermal Properties:
Milk fibers generally soften on heating, particularly when wet. Fibers
become brittle and yellow on prolonged heating.
Effect of Moisture:
Milk fiber tends to absorb moisture readily and the fibers become
swollen and soft they may become plastic and sticky as the
temperature is raised.
Elongation:
60-70% wet or dry.
Effect of Age:
Very resistant.
10. CHEMICAL PROPERTIES
Effect Of Acids:
Milk is stable to acids of moderate strength under normal conditions.
Effect Of Alkalies:
Milk is sensitive to alkali.
Effect Of Organic Solvants:
Dry cleaning solvents do not cause damage.
Insects:
Milk fiber is not attacted by moth grubs to the same degree as wool.
Micro-organisms:
Milk fibers are attacked by mildews, particularly when moist.
Electrical Properties:
Dielectric strength of Milk fibers is low.
PROPERTIES
11. FIBER TO FABRIC FORMATION
PRETREATMENT
OPENING &
PEAKING
CARDING
DRAWING
COMBING
ROVING
SPINNING
12. SPINING
PRETREATMENT
The mass specific resistance of milk protein fiber is larger , so the pre treatment
before scutching is more important.
Milk Fiber Blends
Cool Type
Thermal protection type
Top grade underclothes
Health care & body beauty
Home textile supplies
OPENING AND PICKING
The compressed mass of raw fiber must be removed from bales. With good
uniformity and less impurity, the milk protein fiber is bulky and it is easy to
open. Opening is necessary in order to loosen the fibers and cleaning is done to
remove the trashes present in the fiber.
13. SPINNING
CARDING
The object of the process is to further open and clean the remaining impurities
in the fibers delivered from the opening and picking line. It must be detangled
and straightened.
COMBING
The main objective of the process are the reduction in short fiber content,
removal of trash and neps. Production of more straight, perallal and uniform
silver.
DRAWING
The main objective of this process is to improve fiber orientation by aligning
the fibers in one direction. Since the milk protein fiber is bulky and weaker
cohesion force, the extended parallelization of fiber in card silver is worse, and
much hooked fiber exists, the extend parallelization of fiber should be
improved as much as possible during drawing to reduce its weight irregularly.
14. SPINNING
ROVING
This process prepares the drawn silver for the spinning process by converting it
into an intermediate strand. It also helps in the further reduction of yarn.
SPINNING
Spinning is the twisting together of fibers from yarns. Since the fibers are soft,
smooth and with weaker cohesion force, the amount of hairiness and thick and
thin yarn always appears during spinning.
15. WEAVING PROCESS
WINDING
The yarns are wound into larger spools or coned which are placed on the racks.
In winding, the electronic clearer is used and the air splicer is adopted to piece.
WARPING
Warping is the process of making warping beams in which several warp ends
are wound parallel to each other within known length of yarn,
SIZING
Sizing of the warp yarn is essential to strengthen the yarn by adding starch to
reduce breakage of the yarn and thus production stops on the weaving
machine. On the weaving, the warp yarns are subjected to several types of
action i.e. cyclic strain, flexing, abrasion at various loom parts and inter yarn
friction.
WEAVING
It is the process in which two distinct sets of yarns called warp and the filling
yarn are interlaced to from a fabric. There are no special difficulties in weaving
blend yarns.
16. ADVANTAGES OF MILK
FIBER
It is hygienic and flexible.
It is highly smooth, sheen and delicate.
It is moisture absorbent, permeable and heat resistant.
It is colour fast and easily dyeable.
It can be blended with other fiber.
It is renewable, biodegradable and eco-friendly fabric.
It is great for sensitive skin as it has the same pH level as human
skin.
It is environment- friendly and is considered as green product.
It contains 15 amino acids and natural anti-bacterial rate is above
80 percent so it has sanitarian function.
17. DISADVANTAGESOFMILKFIBER
It gets wrinkles easily after washing and needs to be ironed every
time.
It should not be washed in machine and that is because it’s not
very hard fiber.
It has low durability.
Due to abundance of other fabrics like polyester, milk fiber never
really became that popular.
It is expensive.
19. AFTER CARE
WASHING
Garments containing milk fiber should be washed with care and
treated very gently. High temperatures and strong acid or alkaline
condition must be avoided. Neutral detergents are preferable for
washing.
DRYING
Garments should dried as wool, care being taken to avoid high
temperatures.
IRONING
The full, soft handle of garments containing casein will be maintained
if they are slightly damp or almost dry before being ironed or pressed.
DRY CLEANING
Milk fiber is not affected by dry cleaning solvents and garments
containing casein can be dry cleaned readily as wool.
