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Recently, the computer appeared as an assistant in the design process, Computer Aided Industrial Design, through a system in which both the designer and the computer interact as a team to solve the design problem. A variety of ideas. Nowadays bed sets are covered with up to six different fabrics: A better quality circular knit on the top panel the bed's sleeping surface; a matching or contrasting (usually woven) fabric on the border of the mattress; a matching or contrasting (usually woven) fabric on the foundation side panels; a 'non-skid' woven or non-woven fabric on the surface of the foundation and reverse side of the mattress; and a non-woven dust cover on the under side of the foundation. Double knit fabrics have a comparative advantage due to their soft and porous feel that is characterized by knitted fabrics, which gives them a cotton appearance in many cases, although cotton threads are not used in their production. Therefore, double knit fabrics are used in high-quality, high-priced mattresses. Studying and developing this type of fabric because it takes up a large amount of the fabrics produced. So, research is aimed to study the Comparative between functional properties and functional properties for the multi-layered jacquard (weft knit fabric and woven fabric) (4) samples were produced on double jacquard weft knitting machines in different designs and (4) samples were woven in jacquard Weaving machine with different designs, the study will show the functional properties by laboratory tests, and questionnaire. The research was based on the design of mattress fabrics with four different experiments: First experiment (knitting): We used polyester yarn of count (600 denier + 900 denier) for laying in yarn, polyester yarn of count 150 denier colored for face and back of Jacquard fabric design to produce mattress fabric with two different weight 370 g/m2 and 440 g/m2 with the same width. Second experiment (weaving) We used polyester yarn count 1200 denier for laying in yarn, polyester yarn count 150 denier colored for face and back of Jacquard fabric design to produce mattress fabric has two different weight 330 g/m2 and 390 g/m2 with the same width. Third experiment (knitting): We used polyester yarn of count (600 denier + 900 denier) for laying in yarn, spun cotton of count 30/1 Ne colored for face and back of Jacquard fabric design to produce mattress fabric with two different weight 310 g/m2 and 330 g/m2 with the same width. Fourth experiment (weaving) We used polyester yarn count 1200 denier for laying in yarn, spun cotton of count 30/1 Ne colored for face and back of Jacquard fabric design to produce mattress fabric has two different weight 360 g/m2 and 405 g/m2 with the same width.
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