Polylactic acid nanofiber high-barrier non-woven fabric and degradable paper diaper

Abstract

The invention discloses a polylactic acid nanofiber high-barrier non-woven fabric and a degradable paper diaper. The non-woven fabric is formed by compounding two layers of polylactic acid fiber non-woven fabric, wherein the upper layer non-woven fabric is polylactic acid nanofiber non-woven fabric, and the lower layer non-woven fabric is polylactic acid fiber hot-rolled non-woven fabric; the polylactic acid nanofiber non-woven fabric and the polylactic acid fiber hot-rolled non-woven fabric are solidified into a whole through self-adhesion; and the surface layer of the polylactic acid fiber hot-rolled non-woven fabric is hydrophilic, and the back surface of the polylactic acid fiber hot-rolled non-woven fabric is water-repellent. The back surface of the polylactic acid fiber hot-rolled non-woven fabric is subjected to water-repellent finishing, and the water seepage pressure index presenting water-repellent capability is 22-25 cm H2O, so that a certain auxiliary effect is achieved for preventing urine from permeating. The polylactic acid nanofiber high-barrier non-woven fabric has good antibacterial and odor-removing functions, can provide a weakly acidic microenvironment for a human body when being used as a bottom impermeable layer of the paper diaper, and is helpful for preventing red buttock of a baby. The polylactic acid nanofiber high-barrier non-woven fabric can be compounded with the degradable surface layer and an absorption core body to prepare the degradable paper diaper.

Description

technical field [0001] The invention relates to the technical field of diapers, in particular to a polylactic acid nanofiber high-barrier nonwoven fabric and degradable diapers. Background technique [0002] Diaper products mainly include baby and adult diapers, and its main consumer groups are newborn babies and incontinent patients in the elderly population. In recent years, the degree of population aging in China has been increasing. According to the 2017 China Statistical Yearbook, as of the end of 2016, there were 230.86 million people aged 60 and above, accounting for 16.7% of the total population, of which 150.03 million were aged 65 and above. , accounting for 10.8% of the total population, the elderly population ranks first in the world. The huge and rapidly growing elderly population provides a huge potential consumer group for the development of my country's adult incontinence products market, which has led to a substantial increase in the domestic consumption of...

AI Technical Summary

Problems solved by technology

[0003] It is expected that in the next five years, the baby diaper market will continue to maintain a double-digit growth rate. By 2020, the domestic market sales will reach 100 billion yuan. Buried disposal will take up a lot of precious resources, and incineration is not advisable, so it is very important to develop degradable diapers to reduce pollution and waste of environmental resources

Images