c may be made a layer of pu with a multiple of micro pores furthermore the base material availed in step c may be treated with dyeing water repelling anti bacteria and insect depending on the particular requirements of the finished product 0018 fig1 shows a view of the blended type of the nonwoven within the point 3 where the microfiber 1 crosses the adhesive fiber 2 forms an adhesive point to give the nonwoven both high peeling and burst strength the adhesive fiber of the present invention constitutes the effective composition of the nonwoven to reduce the consumption of the regular fiber or the microfiber and the flexible polymer e g pu to achieve the purpose of being lightweight the present invention can be further described by those preferred embodiments and comparison examples of the present invention provided however the manufacturing process of the present invention is not restricted by those embodiments and examples 90 parts 90 of 3 den u00d7 5 mm polyester fiber and 10 parts 10 of 3 den u00d7 51 mm adhesive fiber comprised of 40 parts of tpu and 60 parts of pp are homogeneously mixed in a fiber blending machine then carded into web in a carding machine stacked alternatively into a web stack and punched into a nonwoven of 180 g m 2 the nonwoven is dipped in a bath of solution prepared by 10 parts or duration pu composition and 90 parts of dimethylformamide dmf to become an impregnated base material a solution comprised of 20 parts of duration pu and 80 parts of dmf is applied on either side of said impregnated base material to become a base material for imitation leather with a pu layer after coagulation water bath and.