JP2011527353A - 組成物および組成物を製造する方法 - Google Patents
組成物および組成物を製造する方法 Download PDFInfo
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- JP2011527353A JP2011527353A JP2011517039A JP2011517039A JP2011527353A JP 2011527353 A JP2011527353 A JP 2011527353A JP 2011517039 A JP2011517039 A JP 2011517039A JP 2011517039 A JP2011517039 A JP 2011517039A JP 2011527353 A JP2011527353 A JP 2011527353A
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Abstract
Description
少なくとも1つの第1の流体成分を提供する工程;
少なくとも1つの第2の固体成分を提供し、それを加工して第1の成分が第2の成分に拡散できるようにする工程;および
第1の成分を第2の成分に拡散させる工程
を含む。
GUR 1020 UHMWPE粉末を120℃および10MPaの圧力のプレスで圧縮した。プレートから小ブロック(4cm×3cm×5cm)を切り出し、イソプロパノール75mlおよびフクシン(Merck)0.04gを含むグラスに入れた。図1に予め圧縮したブロックの室温における含浸挙動を時間の関数として示す。着色添加物を含む流体は数秒間で吸収され、1時間以内に物体は均一に着色される。
焼結したGUR 1020のブロック(4×3×5cm)を、イソプロパノール75mlおよびフクシン(Merck)0.04gを含むグラスに入れた。図2にブロックの室温における含浸挙動を時間の関数として示す(左:浸漬の数秒後、中:浸漬の30分後、右:浸漬の1時間後)。
GUR 1020ブロックを溶融温度未満、120℃で、実験室スケールのプレスで15分間、10MPaで圧縮した。その後、圧縮したブロックを室温まで急速に冷却した。
圧縮は実施例2に記載したように行った。圧縮後、試料をヘキサン-ビタミンE溶液(2.8%w/w)に浸漬し、含浸の間に重量を測定した。圧縮したブロック2個を溶液中に静置し(ブロックの下部のみを浸漬、図1も参照のこと)、ブロック1個を含浸溶液で完全に覆った(液中)。
A=ε・b・C
A=ピーク吸光度(1210cm-1ピークの高さ)
ε:UHMWPE中のα-トコフェロール-OHのモル吸光度(kg・cm-1・mol-1)
実験的決定値=133kg・cm-1・mol-1
b=路長(膜厚)、cm=正規化スペクトルについて0.01cm
C=UHMWPE中のα-トコフェロールの濃度、mol・kg-1
に従って計算した。
抗酸化剤を含む、γ線照射したブロックの耐酸化性を決定した。実施例3に記載した方法に従って加工したブロック(焼結前にビタミンEで含浸)を通常の空気雰囲気中で、線量14Mrad(±10%)で照射した。照射後の熱処理は実施しなかった。
Claims (46)
- 少なくとも2つの成分の組成物を得るための方法であって、
少なくとも1つの第1の流体成分を提供する工程;
少なくとも1つの第2の固体成分を提供し、それを加工して第1の成分が第2の成分に拡散できるようにする工程;および
第1の成分を第2の成分に拡散させる工程
を含む方法。 - 第1の成分が少なくとも1種の液体を含む、請求項1に記載の方法。
- 第1の成分が少なくとも1種の気体を含む、請求項1または2に記載の方法。
- 第1の成分が流体中に溶解した少なくとも1種の固体を含む、請求項1から3のいずれかに記載の方法。
- 第2の成分を加工して、第1の成分が第2の成分と接触した際に毛細管力が生成または増加するようにする、請求項1から4のいずれかに記載の方法。
- 第2の成分が粉末であって、該粉末が圧縮され、それにより粒子間に毛細管が形成され、第2の成分と接触する第1の成分に毛細管力を生成または増加させるようにする、請求項1から5のいずれかに記載の方法。
- 組成物を処理し、それにより液体または気体を除去して固体組成物を製造する工程をさらに含む、請求項1から6のいずれかに記載の方法。
- 組成物を焼結する工程をさらに含む、請求項1から7のいずれかに記載の方法。
- 第2の成分がポリマーである、請求項1から8のいずれかに記載の方法。
- ポリマーが結晶である、請求項9に記載の方法。
- ポリマーが、ポリエチレン、ポリプロピレン、ポリオキシメチレン(POM)、ポリアミド、PVC、PPSU、PEEK、PTFEおよびPETからなる群から選択される、請求項10に記載の方法。
- ポリマーが少なくとも100,000の分子量を有するポリエチレンである、請求項11に記載の方法。
- ポリエチレンが少なくとも300,000の分子量を有する、請求項12に記載の方法。
- ポリエチレンが少なくとも百万の分子量を有する、請求項12に記載の方法。
- ポリマーが非晶質である、請求項9に記載の方法。
- ポリマーが、ポリスチレン、ポリアクリレート、PPOおよびPMMAからなる群から選択される、請求項15に記載の方法。
- ポリマーを架橋する工程をさらに含む、請求項9から16のいずれかに記載の方法。
- 請求項8に従属する場合に、架橋が組成物を焼結した後に実施される、請求項17に記載の方法。
- 架橋が照射によって実施される、請求項17に記載の方法。
- 架橋が化学種によって実施される、請求項17に記載の方法。
- 第1の成分がポリマーを架橋させるための化学種を含む、請求項20に記載の方法。
- 第1の成分が抗酸化剤を含む、請求項1から21のいずれかに記載の方法。
- 第1の成分がビタミンEを含む、請求項1から22のいずれかに記載の方法。
- 第1の成分が抗生物質を含む、請求項1から23のいずれかに記載の方法。
- 抗生物質が、ゲンタマイシン、バンコマイシン、ストレプトマイシン、ペニシリンおよびそれらの誘導体からなる群から選択される、請求項24に記載の方法。
- 第1の成分が発泡剤を含む、請求項1から25のいずれかに記載の方法。
- 第1の成分が反応性モノマーを含む、請求項1から26のいずれかに記載の方法。
- 反応性モノマーが、エチレン、プロピレン、塩化ビニル、オキシメチレン、メチルメタクリレート、およびスチレンからなる群から選択される、請求項27に記載の方法。
- 第1の成分がモノマーの重合を開始させる開始剤である、請求項1から28のいずれかに記載の方法。
- 第1の成分が染料を含む、請求項1から29のいずれかに記載の方法。
- 染料が天然または合成である、請求項30に記載の方法。
- 染料が、フクシン、スーダンレッド、スーダンブラック、アントラキノン、アゾ化合物、硫黄化合物、カロテン、クルクミン(ターメリック)およびカルミンからなる群から選択される、請求項30に記載の方法。
- 第1の成分が清澄化剤または核生成剤を含む、請求項1から32のいずれかに記載の方法。
- 清澄化剤または核生成剤が、ソルビトール系化合物(DBS、MDBS、DMDBS)、安息香酸ナトリウム、タルクまたはチミンからなる群から選択される、請求項33に記載の方法。
- 第1の成分が少なくとも2つの段階で第2の成分に拡散する、請求項1から34のいずれかに記載の方法。
- 組成物が滅菌される、請求項1から35のいずれかに記載の方法。
- 組成物が人工物に形成される、請求項1から36のいずれかに記載の方法。
- 人工物が医用デバイスである、請求項37に記載の方法。
- 実質的に、図面を参照して上述される方法。
- 請求項1から39による方法のいずれかによって調製された組成物。
- 請求項6から39のいずれかによる圧縮された粉末を含む組成物。
- 圧縮された粉末が、圧縮された粉末と接触する流体成分に毛細管力が生成または増加するように調製された、請求項41に記載の組成物。
- 請求項1から39のいずれかによる少なくとも1つの第1の流体成分と少なくとも1つの第2の固体成分とを含み、第1の成分が第2の成分に分布している組成物。
- 圧縮された粉末と請求項1から39のいずれかによる少なくとも1つの流体成分とを含む組成物。
- 請求項1から39のいずれかによる少なくとも1つの第1の流体成分と少なくとも1つの第2の固体成分とを含み、第1の成分が第2の成分に分布している、焼結された組成物。
- 実質的に、図面を参照して上述される組成物。
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WO2010003688A1 (en) | 2010-01-14 |
AU2009268290B2 (en) | 2016-01-14 |
CA2730043A1 (en) | 2010-01-14 |
RU2010153065A (ru) | 2012-08-20 |
JP2018009168A (ja) | 2018-01-18 |
JP2015157960A (ja) | 2015-09-03 |
GB0812890D0 (en) | 2008-08-20 |
CA2730043C (en) | 2017-08-01 |
US8287784B2 (en) | 2012-10-16 |
AU2016202370A1 (en) | 2016-05-05 |
CN105670009A (zh) | 2016-06-15 |
AU2009268290A1 (en) | 2010-01-14 |
CN102089359A (zh) | 2011-06-08 |
JP5931441B2 (ja) | 2016-06-08 |
AU2016202370B2 (en) | 2018-04-26 |
EP2307485A1 (en) | 2011-04-13 |
US20110180948A1 (en) | 2011-07-28 |
BRPI0915560A2 (pt) | 2016-01-26 |
EP2307485B1 (en) | 2016-09-28 |
CN102089359B (zh) | 2016-02-17 |
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