KR102545884B1 - 흡수성 수지 및 흙 주머니 - Google Patents
흡수성 수지 및 흙 주머니 Download PDFInfo
- Publication number
- KR102545884B1 KR102545884B1 KR1020197025241A KR20197025241A KR102545884B1 KR 102545884 B1 KR102545884 B1 KR 102545884B1 KR 1020197025241 A KR1020197025241 A KR 1020197025241A KR 20197025241 A KR20197025241 A KR 20197025241A KR 102545884 B1 KR102545884 B1 KR 102545884B1
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- KR
- South Korea
- Prior art keywords
- water
- resin
- absorbent resin
- water absorbent
- absorbent polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011347 resin Substances 0.000 title claims abstract description 180
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- 239000002689 soil Substances 0.000 title abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 238
- 239000000178 monomer Substances 0.000 claims abstract description 86
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 33
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- 238000002591 computed tomography Methods 0.000 claims abstract description 17
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- 241000287828 Gallus gallus Species 0.000 abstract description 16
- 210000003608 fece Anatomy 0.000 abstract description 16
- 239000010871 livestock manure Substances 0.000 abstract description 16
- 230000008961 swelling Effects 0.000 abstract description 12
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 95
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- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
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- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- AOBIOSPNXBMOAT-UHFFFAOYSA-N 2-[2-(oxiran-2-ylmethoxy)ethoxymethyl]oxirane Chemical compound C1OC1COCCOCC1CO1 AOBIOSPNXBMOAT-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
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Abstract
Description
도 2(a)는, X선 컴퓨터 단층 촬영법에 의해 측정한 흡수성 수지의 단면 화상의 모식도이다. 도 2(b)는, 도 2(a)의 공동 부분을 채워 넣은 모식도이다.
공동면적율 (%) |
생리식염수 흡수능(吸水能) (g/g) |
물의 흡상 높이(mm) | 물의 흡상 증가율(%) |
||
5분후 | 60분후 | ||||
실시예 1 | 11 | 52 | 70 | 80 | 14 |
실시예 2 | 20 | 50 | 76 | 89 | 17 |
실시예 3 | 32 | 45 | 80 | 95 | 19 |
비교예 1 | 3 | 64 | 55 | 55 | 0 |
비교예 2 | 6 | 48 | 65 | 65 | 0 |
비교예 3 | 1 | 55 | 40 | 40 | 0 |
비교예 4 | 8 | 51 | 70 | 74 | 6 |
11 흡수성 수지
w 입자 길이
Claims (6)
- 수용성 에틸렌성 불포화 단량체의 중합체에 의해 구성된 흡수성 수지로서,
생리식염수 흡수능(吸水能)이, 40 ~ 60g/g이며,
X선 컴퓨터 단층 촬영법에 의해, 상기 흡수성 수지의 단면 화상을 관찰한 경우에, 하기 식(I)에 의해 산출되는, 상기 단면 화상에서의 공동 부분의 면적 비율 (공동 면적율(空洞面積率))이, 10% 이상이고,
하기의 물 흡상(吸上) 시험에 의해 측정되는, 5분 후의 흡상 높이가, 70 ~ 100mm인, 흡수성 수지.
공동 면적률[%] = {흡수성 수지의 공동 부분의 총 단면적(B) / (흡수성 수지의 수지 부분의 총 단면적(A) + 흡수성 수지의 공동 부분의 총 단면적(B))}×100...(I),
(물 흡상 시험)
먼저, JIS 표준 체를 사용하여 흡수성 수지의 입자를 분급(分級)하여, 600μm의 체를 통과하는 300μm의 체 상의 흡수성 수지를 수지 샘플로 한다. 다음으로, 내경 150mm, 높이 30mm의 페트리 접시에 외경 80mm, 두께 5mm의 유리 필터를 놓고, 물(증류수)을 유리 필터의 높이까지 넣고, 그 위에 여과지를 둔다. 별도로, 400 메시의 스테인레스 메시를 저부(底部)에 붙여 넣은 내경 25mm, 높이 150mm의 실린더의 저부에, 수지 샘플 1g을 균일하게 살포하고, 상기 여과지 위에 놓는다. 5분 후에, 물을 빨아 팽윤된 흡수성 수지의 높이(mm)를 계측한다. - 제 1 항에 있어서,
상기 흡수성 수지의 형상이, 과립형, 구형, 또는 구형인 입자가 응집된 형상인, 흡수성 수지. - 제 1 항 또는 제 2 항에 있어서,
상기 흡수성 수지의 공동 면적률이 20 ~ 50%인, 흡수성 수지. - 제 1 항 또는 제 2 항에 있어서,
상기 물 흡상 시험에 있어서, 5분 후 및 60분 후에, 각각, 물을 빨아 팽윤된 흡수성 수지의 높이를 계측하여, 하기 식(II)에 의해 산출되는 흡상 증가율이, 10% 이상인, 흡수성 수지.
흡상 증가율[%] = [(60분 후의 흡상 높이 / 5분 후의 흡상 높이) - 1] × 100 ··· (II) - 제 1 항 또는 제 2 항에 기재된 흡수성 수지를 포함하는, 흙 주머니.
- 삭제
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