JP2021523258A - 医療技術用途において使用するための練り込み着色ポリマー組成物 - Google Patents
医療技術用途において使用するための練り込み着色ポリマー組成物 Download PDFInfo
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Abstract
【選択図】図1
Description
[00013]本発明の完全かつ実施可能な開示を、添付の図面の参照を含む本明細書の残りの部分においてより詳細に示す。
[00015]本議論は代表的な実施形態のみの説明であり、本発明のより広い態様を限定することは意図していないことが当業者によって理解される。
[00030]イタリア法令21/3/73は、0.1N−HClを指定し、更にヒ素を0.005重量%以下に制限することを除いて、AP(89)1と同じ金属純度制限を規定する。
のものである。単に例としては、環状エーテルとしてエチレンオキシド、プロピレン1,2−オキシド、ブチレン1,2−オキシド、ブチレン1,3−オキシド、1,3−ジオキサン、1,3−ジオキソラン、及び1,3−ジオキセパン、並びにコモノマーとしてポリジオキソラン又はポリジオキセパンのような線状オリゴ−又はポリホルマールを言及することができる。99.5〜95モル%のトリオキサンと、0.01〜5モル%、例えば0.5〜4モル%の上記のコモノマーの1つとから構成されるコポリマーを使用することが特に有利である。一実施形態においては、ポリオキシメチレンポリマーは、比較的少量のコモノマーを含む。例えば、コモノマーは、約2モル%未満、例えば約1.5モル%未満、例えば約1モル%未満、例えば約0.8モル%未満、例えば約0.6モル%未満の量で存在させることができる。
[00045]ポリオキシメチレンポリマーは、少なくとも50重量%、例えば少なくとも60重量%、例えば少なくとも70重量%、例えば少なくとも80重量%、例えば少なくとも85重量%、例えば少なくとも90重量%、例えば少なくとも93重量%、例えば少なくとも95重量%の量でポリオキシメチレンポリマー組成物中に存在させることができる。一般に、ポリオキシメチレンポリマーは、約100重量%未満、例えば約99重量%未満、例えば約97重量%未満の量で存在し、ここで重量はポリオキシメチレンポリマー組成物の総重量を基準とする。
[00053]一実施形態においては、脂肪酸の金属塩は、クエン酸、プロピオン酸、ステアリン酸、ブタン酸、ヘキサン酸、デカン酸、ラウリン酸、ミリスチン酸、パルミチン酸などの金属塩を含んでいてよい。1つの特定の実施形態においては、脂肪酸の金属塩は、プロピオン酸カルシウム、12−ヒドロキシステアリン酸カルシウム、クエン酸三カルシウムのようなクエン酸カルシウム、及びそれらの混合物を含んでいてよい。一実施形態においては、ポリオキシメチレンポリマー組成物が1種類以上の着色剤を含む場合には、着色剤をプロピオン酸カルシウムと組み合わせることによって、種々の利益及び有利性が得られる。
[00080]PV Fast Green GNXは、ピグメントグリーン7(銅フタロシアニン)の代表例であり、これは限定なしに21CFR§178.3297の下でのFDA準拠である。
95.28部のPOMフレーク;
2.5部のIriotec 8208;
1部のTitandioxid Kronos 2211;
0.5部のPOMターポリマー;
0.4部のIrganox 245 FF;
0.2部のEBSワックス(植物性);
0.1部のクエン酸三カルシウム;及び
0.02部のジシアンジアミド;
を混合することによって、ポリオキシメチレンポリマーを調製した。
[000101] 9682部のPOM Pulver 13034;
318部のPB MT RM;
64部のTitandioxid Kronos 2233;
2.7部のPV Fast Green GNX;
1.6部のHeliogen Blue K 7090;
1.6部のHeliogen Green K 8730;及び
0.1部のBayferrox 3910;
を混合することによって、第2の例のポリオキシメチレンポリマーを調製した。
[000103]本発明に対するこれら及び他の修正及び変更は、添付の特許請求の範囲においてより詳細に示される本発明の精神及び範囲から逸脱することなく、当業者によって実施することができる。更に、種々の実施形態の複数の態様は、全体的又は部分的に交換することができることを理解すべきである。更に、当業者であれば、上述の記載は単に例示の目的であり、かかる添付の特許請求の範囲において更に記載される発明を限定することは意図しないことを理解する。
Claims (23)
- 医療又は食品容器用途のための練り込み着色ポリマー組成物であって、
190℃において2.16kgの荷重下で試験して約30cm3/10分未満のメルトボリュームフローレートを有し、少なくとも70重量%の量で前記ポリマー組成物中に存在するポリオキシメチレンポリマー;
前記組成物を練り込み着色するのに十分に前記ポリマー組成物中に存在する少なくとも1種類の着色剤であって、かかる1種類以上の着色剤は約15重量%未満の量で前記ポリマー組成物中に存在する、上記着色剤;
を含み;
前記ポリオキシメチレンポリマー及び前記少なくとも1種類の着色剤は、前記ポリマー組成物がUSPクラスVI及びISO−10993試験に合格するように選択され、前記ポリマー組成物はラテックスを含まず、動物性副生成物を含まない、上記練り込み着色ポリマー組成物。 - 前記ポリオキシメチレンポリマーが、21CFR§177.2470〜2480にしたがって0.5mg/インチ2未満の正味のクロロホルム可溶性抽出物を含み、前記抽出物が21CFR§1.75.300(d)にしたがって調製される、請求項1に記載の練り込み着色ポリマー組成物。
- 前記練り込み着色ポリマー組成物が、21CFR§177.2470〜§177.2480にしたがってクロロホルムを使用して試験して0.5mg/インチ2未満の抽出性ホルムアルデヒドを生成する、請求項1及び2のいずれかに記載の練り込み着色ポリマー組成物。
- 前記組成物がヨーロッパ規則EC10/2011試験に合格する、請求項1〜3のいずれかに記載の練り込み着色ポリマー組成物。
- 前記組成物が約93重量%より多い量の前記ポリオキシメチレンポリマーを含む、請求項1〜4のいずれかに記載の練り込み着色ポリマー組成物。
- 酸スキャベンジャーを更に含む、請求項1〜5のいずれかに記載の練り込み着色ポリマー組成物。
- 前記酸スキャベンジャーがクエン酸三カルシウムを含み、前記クエン酸三カルシウムが約0.01重量%〜約0.5重量%の量で前記ポリマー組成物中に存在する、請求項6に記載の練り込み着色ポリマー組成物。
- 前記ポリマー組成物が酸化防止剤を更に含み、前記酸化防止剤がエチレンビス(オキシエチレン)ビス−(3−(5−tert−ブチル−4−ヒドロキシ−m−トリル)−プロピオネート)を含む、請求項1〜7のいずれかに記載の練り込み着色ポリマー組成物。
- 前記ポリマー組成物が成核剤を更に含み、前記成核剤がターポリマーを含む、請求項1〜8のいずれかに記載の練り込み着色ポリマー組成物。
- 前記ポリマー組成物がレーザーマーキング添加剤を更に含む、請求項1〜9のいずれかに記載の練り込み着色ポリマー組成物。
- 前記レーザーマーキング添加剤がカプセル化三酸化アンチモンを含む、請求項10に記載の練り込み着色ポリマー組成物。
- 前記少なくとも1種の着色剤が、黄色着色剤、青色着色剤、赤色着色剤、緑色着色剤、白色着色剤、黒色着色剤、又はそれらの混合物を含む、請求項1〜11のいずれかに記載の練り込み着色ポリマー組成物。
- 前記少なくとも1種類の着色剤が、20ppm未満の酸可溶性アンチモンを含み、30ppm未満のヒ素を含み、50ppm未満の鉛を含み、10ppm未満のカドミウムを含み、10ppm未満のコバルトを含み、10ppm未満の銅を含み、50ppm未満のニッケルを含み、1ppm未満のセレンを含み、1ppm未満の水銀を含み、そして、100ppm未満の亜鉛を含む、請求項1〜12のいずれかに記載の練り込み着色ポリマー組成物。
- 前記組成物が配合ペレットの形態である、請求項1〜13のいずれかに記載の練り込み着色ポリマー組成物。
- 前記組成物が少なくとも2種類の着色剤を含む、請求項1〜14のいずれかに記載の練り込み着色ポリマー組成物。
- 前記組成物が約3〜約10種類の着色剤を含む、請求項1〜15のいずれかに記載の練り込み着色ポリマー組成物。
- 前記ポリマー組成物が酸化防止剤を更に含み、前記酸化防止剤がエチレンビス(オキシエチレン)ビス−(3−(5−tert−ブチル−4−ヒドロキシ−m−トリル)−プロピオネート)を含み、前記ポリマー組成物が成核剤を更に含み、前記成核剤がターポリマーを含み、そして、前記ポリマー組成物がジシアンジアミド及びエチレンビス(ステアラミド)を更に含む、請求項7に記載の練り込み着色ポリマー組成物。
- 前記組成物が少なくとも2種類の着色剤を含み、全ての着色剤が、20ppm未満の酸可溶性アンチモンを含み、30ppm未満のヒ素を含み、50ppm未満の鉛を含み、10ppm未満のカドミウムを含み、10ppm未満のコバルトを含み、10ppm未満の銅を含み、50ppm未満のニッケルを含み、1ppm未満のセレンを含み、1ppm未満の水銀を含み、そして、100ppm未満の亜鉛を含む、請求項17に記載の練り込み着色ポリマー組成物。
- 強化繊維を更に含み、前記強化繊維が約5重量%〜約45重量%の量で存在し、前記強化繊維がガラス繊維を含む、請求項1〜18のいずれかに記載の練り込み着色ポリマー組成物。
- 請求項1〜19のいずれかに記載の練り込み着色ポリマー組成物から製造される成形品を含む医療器具。
- 前記医療器具が、関節係合部材を含む整形外科用器具を含む、請求項20に記載の医療器具。
- 前記医療器具がハウジングを含む吸入器を含み、前記成形品が前記ハウジングを含む、請求項20に記載の医療器具。
- 前記医療器具がハウジングを含む医療用注射器を含み、前記成形品が前記医療用注射器のハウジングを含む、請求項20に記載の医療器具。
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