Nội dung được dịch bởi AI, chỉ mang tính chất tham khảo
Sợi đơn từ bột cellulose fibrillated enzyme dựa trên nước; cải thiện tính chất cơ học và độ ổn định nước
Tóm tắt
Các dung dịch quay sợi dựa trên nước, bao gồm bột cellulose fibrillated enzyme (EFP), poly(vinyl alcohol) và chất kết nối glutaraldehyde, đã được quay thành sợi đơn thành công. Các mẫu có nồng độ EFP là 50 và 60 wt% đã được thu được thông qua một hệ thống quay sợi tùy chỉnh dựa trên bơm tiêm. Sợi đơn thể hiện độ cứng cao, sức mạnh tốt và sự biến dạng thấp; giá trị căng tối đa được đạt được tại nồng độ cellulose 60 wt%. Graphene oxit giảm cũng đã được thêm vào các sợi đơn như một chất bôi trơn, tăng cường độ dài đồng thời mang lại hiệu ứng gia cố nhẹ. Hành vi cơ học được xác định bởi sự tương tác giữa các loại tương tác cạnh tranh và cơ chế. Một số sợi đơn được phủ bằng acetate propionate cellulose, dẫn đến việc cải thiện sức mạnh và độ ổn định trong nước. Độ ổn định của các sợi đơn đã được chứng minh qua khả năng thắt nút và sử dụng để chế tạo các cấu trúc hai chiều và ba chiều.
Từ khóa
#bột cellulose #sợi đơn #cơ học #độ ổn định trong nước #graphene oxit giảmTài liệu tham khảo
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