JP7440033B2 - 光硬化性樹脂組成物及び接着剤 - Google Patents
光硬化性樹脂組成物及び接着剤 Download PDFInfo
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- JP7440033B2 JP7440033B2 JP2020002960A JP2020002960A JP7440033B2 JP 7440033 B2 JP7440033 B2 JP 7440033B2 JP 2020002960 A JP2020002960 A JP 2020002960A JP 2020002960 A JP2020002960 A JP 2020002960A JP 7440033 B2 JP7440033 B2 JP 7440033B2
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- 125000003118 aryl group Chemical group 0.000 claims description 20
- 125000001424 substituent group Chemical group 0.000 claims description 18
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- 125000004429 atom Chemical group 0.000 claims description 6
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- 238000003860 storage Methods 0.000 description 12
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- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 4
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- 125000003229 2-methylhexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
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- 125000003670 adamantan-2-yl group Chemical group [H]C1([H])C(C2([H])[H])([H])C([H])([H])C3([H])C([*])([H])C1([H])C([H])([H])C2([H])C3([H])[H] 0.000 description 2
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- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
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- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
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- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
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- 238000001157 Fourier transform infrared spectrum Methods 0.000 description 1
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- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical group C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 1
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- 125000005577 anthracene group Chemical group 0.000 description 1
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 125000001204 arachidyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000007611 bar coating method Methods 0.000 description 1
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 description 1
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical group C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000012986 chain transfer agent Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 1
- 125000000259 cinnolinyl group Chemical group N1=NC(=CC2=CC=CC=C12)* 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 description 1
- 125000000131 cyclopropyloxy group Chemical group C1(CC1)O* 0.000 description 1
- 238000006114 decarboxylation reaction Methods 0.000 description 1
- 125000004663 dialkyl amino group Chemical group 0.000 description 1
- 125000004986 diarylamino group Chemical group 0.000 description 1
- 125000004772 dichloromethyl group Chemical group [H]C(Cl)(Cl)* 0.000 description 1
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 1
- 229940113088 dimethylacetamide Drugs 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000004705 ethylthio group Chemical group C(C)S* 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007756 gravure coating Methods 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 125000003453 indazolyl group Chemical group N1N=C(C2=C1C=CC=C2)* 0.000 description 1
- 125000001041 indolyl group Chemical group 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 description 1
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
- 125000002183 isoquinolinyl group Chemical group C1(=NC=CC2=CC=CC=C12)* 0.000 description 1
- 125000000842 isoxazolyl group Chemical group 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 125000000040 m-tolyl group Chemical group [H]C1=C([H])C(*)=C([H])C(=C1[H])C([H])([H])[H] 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 125000002960 margaryl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000002816 methylsulfanyl group Chemical group [H]C([H])([H])S[*] 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000004706 n-propylthio group Chemical group C(CC)S* 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 125000006574 non-aromatic ring group Chemical group 0.000 description 1
- 125000001196 nonadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003261 o-tolyl group Chemical group [H]C1=C([H])C(*)=C(C([H])=C1[H])C([H])([H])[H] 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical group C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 235000009518 sodium iodide Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 125000003866 trichloromethyl group Chemical group ClC(Cl)(Cl)* 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
- 125000006839 xylylene group Chemical group 0.000 description 1
Landscapes
- Epoxy Resins (AREA)
- Adhesives Or Adhesive Processes (AREA)
Description
[式(1)中、環Gは少なくとも2つの炭素原子含む芳香族環を示し、当該芳香族環は置換基を有していてもよい。R51及びR52はそれぞれ独立に炭化水素基を示し、R51とR52とは互いに結合して、それぞれが結合する原子とともに環を形成していてもよい。]
一実施形態に係る光硬化性樹脂組成物は、エポキシ樹脂(以下、「(A)成分」という場合がある。)と、カルボン酸無水物(以下、「(B)成分」という場合がある。)と、光塩基発生剤(以下、「(C)成分」という場合がある。)とを含有する。(C)成分から発生する塩基は、第三級アミンである。
(A)成分は、光照射等によって、分子間で三次元的な結合を形成し硬化する性質を有し、硬化後に接着作用を示す成分である。(A)成分は、分子内にエポキシ基を有するものであれば、特に制限なく用いることができる。(A)成分は、分子内に2以上のエポキシ基を有しているものであり得る。
(B)成分は、主に(C)成分から光照射によって発生する第三級アミンと反応して、(A)成分の硬化剤として作用し得る成分である。(B)成分は、特に制限されないが、通常、(A)成分の硬化剤として使用される化合物を用いることができる。このような化合物は、例えば、環状無水物(-CO-O-CO-基を環として含む化合物)であってよい。
(C)成分は、光照射によって第三級アミンを発生する化合物である。(C)成分は、光照射によって第三級アミンを発生する化合物であれば特に制限されないが、例えば、特開2018-131593に記載の光塩基発生剤等が挙げられる。(C)成分は、例えば、下記一般式(1)で表される化合物であってよい。
一実施形態に係る接着剤は、上述の光硬化性樹脂組成物からなる。上述の光硬化性樹脂組成物は光照射後に光硬化性樹脂組成物の硬化物となることから、接着剤として有用である。
<光塩基発生剤の合成>
特開2018-131593号公報に記載の方法に従って、光塩基発生剤(C1)を合成した。すなわち、乾燥アセトン中で、化合物(C1)-1とヨウ化ナトリウムとを混合し、室温下で5.5時間反応させることで、化合物(C1)-2を得た。次いで、乾燥アセトン中で、化合物(C1)-2とピペリジンとを混合し、0℃で2.5時間反応させ、生成物を取り出すことで、目的物である製造例1の光塩基発生剤(C1)を得た(収率4%)。
<光硬化性樹脂組成物の調製>
以下に示す成分を表1に示す質量(単位:g)を混合し、光硬化性樹脂組成物を調製した。
A1:ビスフェノールA型エポキシ樹脂(商品名:jER828、三菱化学株式会社製、エポキシ当量:184~194g/eq)
(B)成分:カルボン酸無水物
B1:4-メチルヘキサヒドロ無水フタル酸(商品名:リカジットMH、新日本理化株式会社製)
B2:5-(2,5-ジオキソテトラヒドロフリル)-3-メチル-3-シクロヘキセン-1,2-ジカルボン酸無水物(東京化成工業株式会社製)
(C)成分:光塩基発生剤
C1:製造例1の光塩基発生剤
(D)成分:第三級アミン
D1:トリメチルアミン
調整した実施例1、2及び比較例1の光硬化性樹脂組成物をサンプル管に加えて、遮光状態にて室温(25℃)で30日間放置し、光硬化性樹脂組成物の流動性が消失した期間を、保存安定性として評価した。結果を表1に示す。なお、表1における「3日」は、3日後に光硬化性樹脂組成物の反応が進行して、流動性を失ったことを意味し、「>30日」は、30日を超えても流動性が消失していないことを示す。
保存安定性が良好であった実施例1、2の光硬化性樹脂組成物を用いて、光照射の有無による反応性を評価した。評価は、光硬化性樹脂組成物をシリコンウェハ(シリコン基板)上に製膜して塗膜を得た後、以下の光照射を含む条件又は光照射を含まない条件で得られた塗膜を処理し、FT-IRスペクトルを用いて、処理前後の膜(光硬化性樹脂組成物)に含まれるカルボン酸無水物由来のピーク面積を測定し、その減少率を求めることによって行った。結果を表1に示す。カルボン酸無水物由来のピーク面積の減少率が大きいほど、反応性が高いことを意味する。また、光照射を含む条件におけるカルボン酸無水物由来のピーク面積の減少率の大きさが、光照射を含まない条件におけるカルボン酸無水物由来のピーク面積の減少率の大きさよりも大きい場合、光照射による反応性が高いことを意味する。
波長254nmの光(照度2mW/cm2)を積算光量が4000mJ/cm2になるまで照射した後、140℃で60分間加熱を行った。
・光照射を含まない条件(非光照射条件)
光照射を行わずに、140℃で60分間加熱のみを行った。
保存安定性が良好であった実施例1、2の光硬化性樹脂組成物用いて、硬度を評価した。評価は、光硬化性樹脂組成物をガラス基板上に製膜して塗膜を得た後、上記と同様の光照射を含む条件又は光照射を含まない条件で得られた塗膜を処理し、旧JIS K5400に準じて、鉛筆硬度試験を行った。結果を表1に示す。なお、表1における「評価不可」は、サンプルが液状であり、評価できなかったことを意味する。
Claims (2)
- エポキシ樹脂と、
カルボン酸無水物と、
光照射によって塩基を発生する光塩基発生剤と、
を含有し、
前記光塩基発生剤から発生する前記塩基が、第三級アミンであり、
前記カルボン酸無水物が、ヘキサヒドロ無水フタル酸又はそのアルキル置換体であり、
前記光塩基発生剤が、下記一般式(1)で表される化合物である、光硬化性樹脂組成物。
- 請求項1に記載の光硬化性樹脂組成物からなる、接着剤。
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Citations (5)
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WO2002051905A8 (fr) | 2000-12-27 | 2004-05-13 | Hitachi Chemical Co Ltd | Generateurs de photobase, compositions durcissables preparees au moyen de ces generateurs et procede de durcissement |
JP2006161046A (ja) | 2005-12-05 | 2006-06-22 | Mitsubishi Heavy Ind Ltd | エネルギー線硬化樹脂組成物 |
WO2009122664A1 (ja) | 2008-03-31 | 2009-10-08 | サンアプロ株式会社 | 光塩基発生剤 |
JP2010105930A (ja) | 2008-10-28 | 2010-05-13 | Asahi Kasei E-Materials Corp | 光塩基発生剤及び光硬化型樹脂組成物 |
JP2018131593A (ja) | 2017-02-17 | 2018-08-23 | 学校法人東京理科大学 | 樹脂組成物、化合物及び光塩基発生剤 |
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WO2002051905A8 (fr) | 2000-12-27 | 2004-05-13 | Hitachi Chemical Co Ltd | Generateurs de photobase, compositions durcissables preparees au moyen de ces generateurs et procede de durcissement |
JP2006161046A (ja) | 2005-12-05 | 2006-06-22 | Mitsubishi Heavy Ind Ltd | エネルギー線硬化樹脂組成物 |
WO2009122664A1 (ja) | 2008-03-31 | 2009-10-08 | サンアプロ株式会社 | 光塩基発生剤 |
JP2010105930A (ja) | 2008-10-28 | 2010-05-13 | Asahi Kasei E-Materials Corp | 光塩基発生剤及び光硬化型樹脂組成物 |
JP2018131593A (ja) | 2017-02-17 | 2018-08-23 | 学校法人東京理科大学 | 樹脂組成物、化合物及び光塩基発生剤 |
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