현재 위치
Home
Strength improvement of NC-SwBKP wet web by addition of PAE-PVA complexes
-
- 발행기관
- 강원대학교 산림과학연구소 바로가기
-
- 간행물
- 강원대학교 산림과학연구소 학술대회 바로가기
-
- 통권
- 2019 International Symposium of Institute of Forest Science (2019.09)바로가기
-
- 페이지
- pp.118-118
-
- 저자
-
- 언어
- 영어(ENG)
-
- URL
- https://www.earticle.net/Article/A450359
원문정보
초록
- 영어
- Wet web strength or initial wet web strength is different with the wet strength of paper since it measures the strength of wet web before a sheet is dried. The wet web involves the web on forming section, wet pressing section, and initial part of drying section, whose dryness covers from approximately 10% during the sheet formation up to 60% in the first dryer group. Due to the weak nature of the wet web, the wet web strength of paper is an important property for the runnability and the production efficiency of a paper machine. Wet web strength of nitrocellulose (NC) – softwood bleached kraft pulp (SwBKP) sheet is important for the runnability and the production efficiency of combustible cartridge case (CCC). In this study, the wet web strength of NC-SwBKP sheet was improved with the pre-mixed complexes of polyamideamine-epichlorohydrin (PAE) and polyvinyl alcohol (PVA). The effects of the mixing ratio between PAE and PVA, the added amount of the complexes, and the type of PVA were investigated. It was found that the addition of PAE or PAE-PVA complexes increased wet web tensile strength and dry strength of NC-SwBKP sheets. Especially, a small portion of addition of PVA, i.e., about 5% to 50% of PVA with 90% to 95% PAE, was effective for increasing wet web strength and dry strength such as tensile strength and compressive strength. In addition, in order to improve the wet web tensile strength, the PVA with a higher degree of saponification and with a higher molecular weight has to be chosen for the PAE-PVA pre-mixed complexes.
키워드
NC-SwBKP sheet Wet web tensile strength PAE PVA Pre-mixed complexes저자
간행물 정보
발행기관
-
- 발행기관명
- 강원대학교 산림과학연구소 [Institute of Forest Science Kangwon National University]
- 설립연도
- 1975
- 분야
- 농수해양>임학
- 소개
- 강원대학교부설산림과학연구소(이하 “연구소”라 한다)는 산림에 관한 제반 학술적 연구를 통하여 산림자원의 효용을 밝히고 임업 및 임산업의 발전에 기여함을 목적으로 한다.
간행물
-
- 간행물명
- 강원대학교 산림과학연구소 학술대회
- 간기
- 부정기
- 수록기간
- 2017~2024
- 십진분류
- KDC 526 DDC 634
이 권호 내 다른 논문 / 강원대학교 산림과학연구소 학술대회 2019 International Symposium of Institute of Forest Science
피인용수 : 0건 (자료제공 : 네이버학술정보)
함께 이용한 논문 이 논문을 다운로드한 분들이 이용한 다른 논문입니다.
출처 : 네이버학술정보
0개의 논문이 장바구니에 담겼습니다.