Classifications

• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
  • D01C1/00—Treatment of vegetable material
  • D01C1/02—Treatment of vegetable material by chemical methods to obtain bast fibres

Definitions

• the object of the present invention is the degumming of textile plants and vegetables based on the action of hydrocarbon sulfonic acids on the pectins and gummy matter which act as binders for the fibrous tissue of the plants.
• the object of the treatment is to convert the textile plants into fibres ready for spinning and vegetable matter into pulp suitable for paper manufacture.
• This result is obtained by treating the raw material with solutions of hydrocarbon sulfonic acids.
• the action of the hydrocarbon sulfonic acids is distinctly peptizing anddissolving, so that the pectins, gums and colloidal substances are partly dissolved, or loosened and dispersed, and the fibrous matter is liberated and ready to be subjected to the subsequent mechanical treatment necessary for their utilization in industry.
• the preparation of the fibrous material is accomplished in two separate stages and may be carried out in the hot or in the cold, de-
• This operation prior to which the fibres may be rinsed, is conducted either in a soap bath, or in an alkaline bath, according to the sort of fibre under treatment and containing caustic soda or carbonate of soda, or in a mixture of said soap and alkaline bath.
• Emample 1.UOZd process The crude fibres are sufiiciently soaked to soften them thoroughly and remove excess of chlorophyl, and are then immersed in a bath composed of equal parts of salt (chloride of sodium) and for example a naphthaline sulfonic acid,
• the strength of the bath being made to 4 Baum.
• the fibres are allowed to steep in the solution, without stirring, until they are sufliciently softened. This may need about twelve hours.
• the fibres are then washed in running water and neutralized with the right base for the fibre treated.
• hemp may be adapted to all industrial textile fibres, such as sisal hemp, flax, ramie, alfalfa, jute, etc., each textile necessitating precautions peculiar thereto.
• the process may also be used for stripping spun and raw threads in order to prepare them for dyeing and bleaching, and the stripping operation may be regarded as a second degumming.
• Process of degumming textile plants and vegetable matter consisting in treating the textiles in a bath of hydrocarbon sulfonic acids with a view to peptizing the gums and pectins and in neutralizing thethus peptized material by subjecting the latter to the action of an alkaline bath.
• Process of degumming textile plants and Vegetable matter consisting in immersing the material in a bath formed by a mixture of naphtaline sulfonic acid and common salt with a View to peptizing said material, in rinsing the fibres thus released and in neutralizing said material by immersing it in a mixed alkaline and soap bath.
• Process of degumming raw hemp fibre which consists in soaking the fibre in water to remove excess of chlorophyl, in immersing the fibre in a bath composed of a naphtaline sulfonic acid and common salt, in heating the bath to a temperature of 60 C. approximately, in rinsing the thus treated fibre, and in neutralizing the fibre with a suitable base.

Landscapes

• Engineering & Computer Science (AREA)
• General Chemical & Material Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Molecular Biology (AREA)
• Life Sciences & Earth Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Health & Medical Sciences (AREA)
• Wood Science & Technology (AREA)
• Zoology (AREA)
• Textile Engineering (AREA)
• Paper (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
• Chemical Or Physical Treatment Of Fibers (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=8946276

Family Applications (1)

Country Status (5)

Cited By (4)

Families Citing this family (1)

• 0
  • BE BE370836D patent/BE370836A/xx unknown
• 1929
  • 1929-06-15 FR FR692429D patent/FR692429A/fr not_active Expired
• 1930
  • 1930-05-31 GB GB16893/30A patent/GB354897A/en not_active Expired
  • 1930-06-06 US US459615A patent/US1843851A/en not_active Expired - Lifetime
  • 1930-06-15 DE DE1930565184D patent/DE565184C/de not_active Expired

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