Multi-layer absorbent core and method of making same

• Main Authors: LI, MING, LUO, SIFEN, YOU KUEYOUNG
• Format: Patent
• Language: Chinese; English
• Published: 01.04.2022
• Subjects: BANDAGES, DRESSINGS OR ABSORBENT PADS; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; FILTERS IMPLANTABLE INTO BLOOD VESSELS; FIRST-AID KITS; FOMENTATION; HUMAN NECESSITIES; HYGIENE; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES; MEDICAL OR VETERINARY SCIENCE; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; PROSTHESES; TREATMENT OR PROTECTION OF EYES OR EARS

Multilayer absorbent bodies and methods of making the same are disclosed. The absorbent body may include: a liquid permeable top cover material; a bottom cover material; a reinforcing material disposed between the top cover material and the bottom cover material, the reinforcing material being directly bonded to the top cover material by a first adhesive layer and directly bonded to the bottom cover material by a second adhesive layer; and a superabsorbent material disposed between the top cover material and the bottom cover material wherein about 30 wt% to about 85 wt% of the total amount of superabsorbent material disposed between the top cover material and the bottom cover material is stabilized within the reinforcing material, the method is determined according to an SAM stable position test method. 本发明公开了多层吸收主体及其制造方法。吸收主体可包括：液体可渗透的顶部覆盖材料；底部覆盖材料；增强材料，所述增强材料设置在所述顶部覆盖材料与所述底部覆盖材料之间，所述增强材料通过第一粘合剂层直接粘结到所述顶部覆盖材料，并且通过第二粘合剂层直接粘结到所述底部覆盖材料；以及超吸收材料，所述超吸收材料设置在所述顶部覆盖材料与所述底部覆盖材料之间，其中设置在所述顶部覆盖材料与所述底部覆盖材料之间的超吸收材料的总量的约30重